PLEASE HELP!!!!
If the sun heats my car from a temperature of 293K to a temperature of 338K, what will the pressure inside my car be? Assume the pressure was initially 1 atm.
Answers
The pressure inside the car will be approximately 1.16 atm after the temperature increase.
In the solution to this question, we can assume that the temperature increase is isobaric (constant pressure), so we can use the ideal gas law to calculate the final pressure of the car:
PV=nRT
where P is the pressure, V is the volume, n is the number of moles, R is the gas constant, and T is the temperature in Kelvin.
We know that the amount of gas in the car will remain constant, so we can write:
\(P_1V = nRT_1\)
and
\(P_2V = nRT_2\)
where \(P_1\) and \(T_1\) are the initial pressure and the temperature, whereas \(P_2\) and \(T_2\) are the final pressure and temperature of the car.
We are given that \(P_1\)=1 atm, \(T_1\)=293 K, and \(T_2\) = 338 K. We need to find the pressure \(P_2\):
We can say that \(P_2 = (P_1 T_2/ T_1)\);
= (1 atm)(338 K/293 K)
= 1.16 atm
So, the pressure inside the car will be approximately 1.16 atm after the temperature increase.
Learn more about Ideal Gas law at:
https://brainly.com/question/25290815
#SPJ1
Related Questions
The solubility of the ionic compound M 2
X 3
, having a molar mass of 271 g/mol, is 3.60×10 −7
g/L. Calculate the K sp
of the compound. K sp
=
Answers
The molarity of M2X3 is 1.33 × 10−9 M
The Ksp of M2X3 is 1.21 × 10−25
The solubility product constant (Ksp) can be determined using the formula Ksp = [M+]2[X3-].
Let s be the solubility of M2X3 in moles per litre, then 2s will be the concentration of M+ ions in solution and s will be the concentration of X3- ions in solution.
If we substitute these values in the equation above we will get the following expression:
Ksp = 4s3
Knowing the solubility of M2X3 to be 3.60 × 10−7 g/L, we can calculate the molarity (M) of the compound using the following formula:
M = solubility / molar mass
In this case, the molar mass of M2X3 is 2 × M(M) + 3 × M(X), where M(M) and M(X) are the molar masses of M and X respectively.
Since the molar mass of the compound is 271 g/mol, we can write:
2 × M(M) + 3 × M(X) = 271 g/mol
Let us assume that M(M) = 2x and M(X) = y, then the above equation becomes:
4x + 3y = 271 g/mol
Also, we know that M2X3 has a molar mass of 271 g/mol, so:
x + 3y = 271/2 g/mol
From these two equations, we can solve for x and y:
x = 61.75 g/mol;
y = 69.08 g/mol
Therefore, the molarity of M2X3 is:
M = 3.60 × 10−7 g/L / 271 g/mol = 1.33 × 10−9 M
The solubility of M2X3 is therefore 1.33 × 10−9 M.
Using the equation for Ksp above, we can calculate the Ksp of M2X3:
Ksp = 4s3 = 4(1.33 × 10−9)3 = 1.21 × 10−25
Therefore, the Ksp of M2X3 is 1.21 × 10−25
To know more about molarity, visit:
https://brainly.com/question/31545539
#SPJ11
what is relative abundance isotopes
Answers
The relative abundance of isotopes is the number of atoms of a particular isotope divide by the total number of atoms of all isotopes of that element, multiplied 100 percent.
What is relative abundance isotopes?The relative abundance of an isotope is the percentage of atoms with a specific atomic mass found in a naturally occurring sample of an element.
Also relative abundances refers to the relative proportions of the stable isotopes of each element. They are most often quoted as atom percentages
To calculate the percent abundance of each isotope in a sample of an element, the number of atoms of a particular isotope is usually divide by the total number of atoms of all isotopes of that element and then multiply the result by 100 since it is expressed in percentage.
Mathematically, the formula for relative abundance is given as;
R.A = ( number of atoms of isotope / total number of atoms ) x 100%
Learn more about relative abundance here: https://brainly.com/question/6844925
#SPJ1
hydrogen chloride gas (hcl) diffuses 1.8 times faster than an unknown gas. determine the molar mass of the unknown gas. show your work or explain your answer, giving specific values used to determine the answer.
Answers
According to the provided statement, the mystery gas has a molar mass of 118.1 g/mol.
What is the purpose of hydrogen chloride?Numerous processes and products are refined and made using hydrogen chloride, including scrubbing, pickling, depositing metals, curing leather, and sanitising. Burning various plastics can result in the formation of hydrogen chloride. In the presence of water, it produces hydrochloric acid.
Graham's Rule of Emfluence
According to Graham's law of effusion, a gas's effusion rate is inversely related to the square root of its particle mass. You may write this formula as follows:
\(\frac{\text { Rate }_1}{\text { Rate }_2}=\sqrt{\frac{\mathrm{M}_2}{\mathrm{M}_1}}\)
Rate1 is the first gas's effusion rate.
The second gas's effusion rate is represented by Rate2.
The average concentration of gas is M1, The mole ratio of gas is 1 M2. 2.
Gases like hydrogen chloride (HCI) diffuse 1.8 times more quickly than unidentified gases.
The molar volume of halogens (HCI) is known to be 36.46 g/mol.
Unknown gas has a molar mass of =?
In the formula, let's enter the following values:
\(\frac{\text { Rate }_{\mathrm{H}_2}}{\text { Rate }_{\text {unknown }}}=\sqrt{\frac{\mathrm{M}_{\text {unknown }}}{\mathrm{M}_{\mathrm{H}_2}}} 1.8=\sqrt{\frac{\mathrm{M}_{\text {unknown }}}{36.46}}(1.8)^2=\frac{\mathrm{M}_{\text {unknown }}}{36.46} \mathrm{M}_{\text {unknown }}=36.46 \times(1.8)^2 \mathrm{M}_{\text {unknown }}=118.1304 \mathbf{M}_{\text {unknown }}=\mathbf{1 1 8 . 1}\)
The unknown gas has a molar mass of 118.1 g/mol.
To know more about Hydrogen chloride visit:
https://brainly.com/question/20728408
#SPJ4
Polarities of analyte functional group increase in the order of hydrocarbon ethers < esters
Answers
The correct order of the increasing polarity of the analyte functional group isEthers < Esters.
The given statement is "Polarities of analyte functional group increase in the order of hydrocarbon ethers < esters." The order of polarities of functional groups is the order of their increasing polarity (i.e., less polar to more polar) based on their electron-donating or withdrawing ability from the rest of the molecule.Polarity of analyte: The analyte's polarity is directly proportional to the dipole moment of the functional group, which is associated with a difference in electronegativity between the atoms that make up the functional group.The electronegativity of an element is its ability to attract electrons towards itself. The greater the difference in electronegativity between two atoms, the more polar their bond, and hence the greater the polarity of the molecule.
To find the correct order of the increasing polarity of the analyte functional group, let's first compare the two groups: hydrocarbon ethers and esters. Here, esters have a carbonyl group while ethers have an oxygen atom with two alkyl or aryl groups. The carbonyl group has more electronegative oxygen, which pulls electrons away from the carbon atom, resulting in a polar molecule. On the other hand, ethers have a less polar oxygen atom with two alkyl or aryl groups, making them less polar than esters. Therefore, the correct order of the increasing polarity of the analyte functional group isEthers < Esters.
To know more about polarity visit:-
https://brainly.com/question/33242453
#SPJ11
ipt Which of the following is true about semipermeable membranes?
A. A semipermeable membrane allows passage of solute particles but not solvent particles.
B. A semipermeable membrane allows passage of solvent particles but not solute particles.
C. A semipermeable membrane allows passage of both solvent and solute particles.
D. A semipermeable membrane does not allow passage of either solvent or solute particles.
Answers
As a species evolve, they develop ________ and ________ others
3 points
old traits, save
new traits, save
old traits, lose
new traits, lose
Answers
Answer:
d
Explanation:
Describe how the nervous system helps the boy detect the aroma coming from the pot on the stove.
Answers
Answer:
When a boy smells the aroma coming from the pot on the stove is actually detecting the chemicals coming from the air which comes from hot food that dissolves in the mucus present in the nasal cavity that carries tiny hairs made up of the nerve fibers that absorb these chemicals and excite or stimulate the olfactory receptors.
Various types of a distinct aroma or smell lead to a specific combination of the olfactory cells to make a specific smell. These combination patterns transported to the olfactory bulb along axons; a long extended neuron.
The sensory patterns or information encoding the smell of food present in the pot reaches the primary olfactory cortex in the brain, which is present on the anterior surface of the temporal lobe, and decodes accordingly.
Answer:You breath in what you smell and if it smells good or not you usely get up an see what is in the kitchen
Explanation:
What is the ph of a solution that contains 11. 7g of nacl for every 200 ml of solution?.
Answers
The pH of a solution that contains 11.7g of NaCl for every 200 ml of solution is approximately 7.
The pH of a solution can be determined using the formula pH = -log[H+]. However, since NaCl is a salt and does not directly contribute to H+ ions, we cannot use this formula. Instead, we need to calculate the dissociation of NaCl in water. NaCl dissociates into Na+ and Cl- ions when dissolved in water.
Since both Na+ and Cl- ions are neutral, they do not contribute to the pH of the solution. Therefore, the pH of the solution will be approximately 7, which is the pH of pure water. The pH scale ranges from 0 to 14. A pH of 7 is neutral, while a pH below 7 is acidic and above 7 is basic. In this case, since NaCl is a neutral salt, it will not affect the pH of the solution.
Learn more about pH scale here:
https://brainly.com/question/1431406
#SPJ11
2 moles of NO, was placed in an empty I dm' bottle and allowed to reach equilibrium according to the equation:
At equilibrium, 1.2 moles of N,O, dissociated. Calculate the value of the equilibrium constant for the reaction at that
temperature.
Answers
2NO(g) ⇌ N2(g) + O2(g)
According to the problem statement, 2 moles of NO were placed in a 1 dm^3 bottle and allowed to reach equilibrium, and at equilibrium, 1.2 moles of NO had dissociated. This means that the initial concentration of NO was:
[NO]initial = 2 mol / 1 dm^3 = 2 M
And the concentration of NO at equilibrium is:
[NO]equilibrium = (2 - 1.2) mol / 1 dm^3 = 0.8 M
Since the stoichiometry of the balanced equation is 2:1:1 for NO, N2, and O2, respectively, the equilibrium concentrations of N2 and O2 will also be 0.6 M.
The equilibrium constant (Kc) can be calculated using the equilibrium concentrations of the reactants and products, raised to the power of their stoichiometric coefficients. Therefore:
Kc = ([N2][O2]) / ([NO]^2)
Substituting the equilibrium concentrations into the equation, we get:
Kc = (0.6 M x 0.6 M) / (0.8 M x 0.8 M)
Kc = 0.5625
Therefore, the value of the equilibrium constant for the reaction at that temperature is 0.5625. Note that the units of Kc depend on the stoichiometry of the balanced equation. Since the stoichiometric coefficients are all 1, the units of Kc in this case are M^-1
Carbon tetrafluoride, CF, contains four identical C-F bonds. Fluorine is more
electronegative than carbon. How will this impact each of the bonds between carbon and
fluorine?
a. The electrons in each C-F bond will be more attracted to the carbon atom.
b. The electrons in each C-F bond will be attracted equally to both atoms.
C. The electrons in each C-F bond will be more attracted to the fluorine atom.
d. The electrons in each C-F bond will separate easily.
Answers
Answer:
C. The electrons in each C-F bond will be more attracted to the fluorine atom.
Calculate the H3O+/OH- ratio for solutions of your choice using all three values: the Molecule count, Quantity of moles, and Concentration Show your work
-water
-one base
-one acid
Answers
H3O+ and OH- ion concentrations in water are equivalent at 25 °C and have a value of 1.0 x 10-7 M each.
What is the bond between OH and H3O+?In general, a material will be an acid if [H3O+] > [OH]. Moreover, the substance will be a base if [OH] > [H3O+]. We are aware that neutral compounds do exist, though. When this occurs, [H3O+] = [OH].
What are the pH and hydronium ion concentrations of pure water at 25 C?Kw equals 1.011014 at 25 °C, therefore pH+pOH=pKw=14.00. Because the reaction is endothermic, the concentrations of the hydronium ion and hydroxide ion that occur from ionisation grow with temperature.
To know more about concentrations visit:-
https://brainly.com/question/10725862
#SPJ1
Which term describes this reaction? addition condensation elimination substitution
Answers
Answer:
Addition
Explanation:edg 2020
Answer:
The correct answer is A.
Explanation:
Edge 2022
25 g sample of a compound that contains only C and H was burned in separately and weighed. It was found that 3.007 g of CO₂ and 1.845 H₂O were formed in this reaction. What is the empirical formula of the compound?
Answers
The empirical formula for given values is C₃H₅0₄ for the given compound containing water carbon di oxide .
What is empirical formula?The empirical fοrmula οf a chemical cοmpοund in chemistry is the simplest whοle number ratiο οf atοms present in the substance. As an example, the empirical fοrmula οf Sulphur mοnοxide, οr SO, is simply SO, as is the empirical fοrmula οf disulfur diοxide.
Thus, sulphur mοnοxide and disulfur diοxide, bοth sulphur and οxygen cοmpοunds, have the same empirical fοrmula. Their mοlecular fοrmulae, which express the number οf atοms in each mοlecule οf a chemical cοmpοund, are, hοwever, nοt identical.
The arrangement οr number οf atοms are nοt mentiοned in an empirical fοrmula. Many iοnic cοmpοunds, such as calcium chlοride and macrοmοlecules, such as silicοn diοxide, use it.
To know more about empirical formula, visit ;
https://brainly.com/question/14044066
#SPJ1
A scientist collects a core sample from 60 km deep on Earth.
Which characteristic will she most likely observe in this sample?
Answers
Answer:
The sample has high iron content.
Explanation:
Hope This Helps
Have A Great Day
~Zero~
When an acid and base are mixed together, they neutralize each other by reacting to form ________ and ________.
Answers
Answer:
water and a salt
Explanation:
L3 - 12
Multiple comet tails result when the solar wind divides ________ particles from ________ particles.
Answers
Multiple comet tails result when the solar wind divides dust particles from gas particles.
Comet tailsThe solar wind, which is a stream of charged particles flowing out from the sun, interacts with the particles that make up a comet's tail.
Gas particles, which are lighter and more easily affected by the solar wind, are pushed farther away from the comet and form the ion tail.Dust particles, which are heavier and less affected by the solar wind, form the dust tail.As a result, multiple comet tails are created, with the ion tail generally pointing directly away from the sun and the dust tail curving slightly.
read more facts about comets
https://brainly.com/question/30651150
#SPJ11
What are three properties that can be observed in a substance
Answers
Explanation: What would you be able to tell about a substance if you were just looking, it’s like looking at food what can you observe about it.
I HOPE THIS HELPS IF NOT FEEL FREE TO COMMENT AND TELL ME SO
In the Ames Test, the appearance of his revertants in the presence of a non-mutagenic control compound indicates that _______.
Answers
Answer & Explanation: The Ames test examines the mutagenic effects of chemicals ; as such, it detects whether a given chemical can cause a reversion mutation in his- bacteria. While this is the purpose of the test, some of the reversion mutations are not caused by the mutagen being tested for. The appearance of his revertants in the presence of a non-mutagenic control compound therefore indicates that His+ revertants on the control plate are the result of spontaneous mutation.
a stock solution has a concentration of 0.70 m nh3 and is diluted to become a 0.30 m solution with a volume of 0.080 l. what was the volume of the stock solution
Answers
The volume of the stock solution is 0.18
0.70*0.80/0.30 =0.18
Divide the quantity of moles of glucose by the molarity of the stock solution to calculate the volume of stock solution required.
The c1v1 c2v2 equation: how does it work?(C1) (V1) = (C2) (V2) is the formula for figuring out a dilution.
The initial solution's concentration is C1, or C1.The starting solution's volume is V1, or V1.The final solution's concentration, C2, is known.The ultimate solution's volume, V2, is identified.A solution is made up of a solute and a solvent, and the total volume of a solution is equal to the sum of the volumes of both the solute and the solvent that it contains.
To learn more about stock solution refer to:
https://brainly.com/question/3942978
#SPJ4
How much energy is required to raise the temperature of a
300.0 gram block of lead from 22.3°C to 59.9°C? The specific
heat of lead is 0.129 J/gºC.
Round your answer to the nearest whole number.
Answers
Answer:
Q = 1455 J
Explanation:
Given data:
Mass of block = 300 g
Initial temperature = 22.3 °C
Final temperature = 59.9°C
Specific heat of lead = 0.129 j/g.°C
Energy required = ?
Solution:
Formula:
Q = m.c. ΔT
Q = amount of heat absorbed or released
m = mass of given substance
c = specific heat capacity of substance
ΔT = change in temperature
ΔT = T2 - T1 = 59.9°C - 22.3 °C
ΔT = 37.6 °C
Q = 300 g × 0.129 j/g.°C × 37.6 °C
Q = 1455 J
How many grams are in 1.5 moles of P? Select one:
a. 23 g
b. 46.5 g
c. 47 g
d. 22.5 g
Answers
Explanation:
I think the answer is B ♂️ but I'm not sure
The initial concentration of sodium oxalate, Na₂C₂O4 is 1.34 M. After 19.3 seconds its concentration is
0.276 M
(Triangle)Na₂C₂O4 =
Rate =
Answers
The rate of change of the concentration of Na₂C₂O4 is -0.0551 M/s.
To determine the rate of change of the concentration of sodium oxalate (Na₂C₂O4), we can use the rate equation:
Rate = (Δ[Na₂C₂O4]) / (Δt)
where Δ[Na₂C₂O4] represents the change in concentration of Na₂C₂O4 and Δt represents the change in time.
In this case, the initial concentration of Na₂C₂O4 is 1.34 M, and after 19.3 seconds, the concentration is 0.276 M.
Substituting the values into the rate equation, we have:
Rate = (0.276 M - 1.34 M) / (19.3 s - 0 s)
Rate = (-1.064 M) / (19.3 s)
Rate = -0.0551 M/s
Therefore, the rate of change of the concentration of Na₂C₂O4 is -0.0551 M/s.
The negative sign indicates that the concentration of Na₂C₂O4 is decreasing over time, as the reactant is being consumed in the reaction.
It's important to note that the rate of a reaction is influenced by various factors, such as the reaction mechanism, temperature, and presence of catalysts. The rate can be determined experimentally by measuring the change in concentration of a reactant or product over a specific time interval.
The given information allows us to calculate the rate of change for the specific reaction involving Na₂C₂O4. However, without additional information about the reaction, it is not possible to determine the exact nature or stoichiometry of the reaction, as well as any other reactants or products involved.
For more such questions on rate of change visit:
https://brainly.com/question/29000078
#SPJ8
An ion that consists of 7 protons, 9 neutrons, and 10 electrons has a net charge of
A) 2–
B) 2+
C) 3+
D) 3–
The answer is D. Why the answer is not A but D? Can you explain?
Answers
The net charge of the ion that consists of 7 protons, 9 neutrons, and 10 electrons will be -3.
HOW TO CALCULATE NET CHARGE:
The net charge of an ion can be calculated by subtracting the number of electrons from the number of protons in an atom. That is;net charge = no. of protons - no. of electrons
The number of protons is the number of positive charges while the number of electrons is the number of negative charges in an atom. Therefore, if an ion consists of 7 protons, 9 neutrons, and 10 electrons, the net charge is as follows:net charge: 7 - 10
net charge = -3
Therefore, the net charge of the ion that consists of 7 protons, 9 neutrons, and 10 electrons will be -3.Learn more: https://brainly.com/question/21430387?referrer=searchResults
Germanium has ______ valence electrons and chlorine has ____ valence electrons
Answers
Answer:
Germanium has 4 valence electrons and chlorine has 7 valence electrons.
Explanation:
last shell of chlorine atom has 7 electrons in it. Therefore, there are 7 valence electrons present in an chlorine atom.
Solid state electronics arises from the unique properties of silicon and germanium, each of which has four valence electrons and which form crystal lattices in which substituted atoms (dopants) can dramatically change the electrical properties.
What is the smallest number in a decomposition equation
Answers
Answer: Answer would be two
Explanation:
How does fear affect your body?
Answers
Answer:
Fear weakens our immune system and can cause cardiovascular damage. Fear can cause damage to some parts of our brains. Fear can interrupt processes in our brains that allow us to regulate emotions.
Explanation:
Hope this helps:)........if not then sorry for wasting your time and may God bless you:)
If 185 g of wax c22h44 burns how many litres of oxygen gas were used up .assume conditions in lab are 101kpa and 25 degree celcius
Answers
How many liters of oxygen gas were used up?
If 185 g of wax \(C_{22}H_{44}\) burns, 13.73 L of oxygen gas is used.
An ideal gas equation is:
The macroscopic characteristics of ideal gases are related to the ideal gas law (PV = nRT). Gas is considered to be perfect if its particles (a) do not interact with one another and (b) occupy no space (have no volume).
First, determine the gas's moles using the gas law.
PV = nRT, where n is the number of moles and R is the gas constant. Next, divide.
To obtain molar mass, multiply the given mass by the number of moles.
Data provided:
P= 101kpa =0.996792 atm
V= ?
R= 0.082057338 L atm K\(^{1} mol^{-1}\)
T=25 +273 =298 K
Moles =?
Moles = mass/molar mass = 185g/308.6
Moles =0.56
Putting value in the given equation:
PV/RT =n
0.56 = \(\frac{0.996792 atm XV}{0.082057338 L atm K^{1} mol^{-1} X 298}\)
13.73 L =V
13.73 L of oxygen gas was used up if 185 g of \(C_{22}H_{44}\) wax burns.
Learn more about ideal gas here,
https://brainly.com/question/28010215
#SPJ4
The solubility of solid substances generally ___________ as temperature increases. The solubility of gaseous substances generally ___________ as temperature increases. Group of answer choices
Answers
The solubility of solid substances generally increases, while the solubility of gaseous substances decreases with temperature.
How does temperature affect solubility?The solubility of solid substances generally increases as temperature increases. This is because increasing the temperature provides more energy to the particles of the solid, causing them to move faster and collide more frequently with the solvent particles. These increased collisions facilitate the dissolution process and enhance the solubility of the solid in the solvent.
This phenomenon is commonly observed in many solid solutes such as sugar, salt, and various salts in water.
On the other hand, the solubility of gaseous substances generally decreases as temperature increases. This can be explained by the fact that gases are more soluble at lower temperatures because the kinetic energy of the gas particles decreases, leading to weaker molecular interactions.
As the temperature rises, gas particles gain more energy, causing them to move more rapidly and exert a greater pressure on the solvent. This higher pressure reduces the solubility of the gas, resulting in its release from the solution as bubbles or gas phases.
It is important to note that while these general trends hold true for many substances, there can be exceptions depending on the specific chemical properties and interactions involved in the solvation process.
Learn more about Temperature and solubility
brainly.com/question/12976543
#SPJ11
a d d m y s n a p gianavaughn007 ;)
Answers
First, state your claim about how the Mesosaurus fossils got separated. Then, use evidence to support your claim. For each piece of evidence you use, explain how the evidence supports your claim. Be sure to include the words from the Word Bank!
Answers
Claim: The separation of Mesosaurus fossils can be explained by the continental drift hypothesis. Evidence: Fossil Distribution, Geological Similarities, Matching Climate and Habitat. The distribution of Mesosaurus fossils across South America and Africa, the geological similarities between these regions, and the matching climate and habitat conditions all support the claim that the separation of Mesosaurus populations can be explained by the process of continental drift.
Claim: The separation of Mesosaurus fossils can be explained by the continental drift hypothesis.
Evidence:
Fossil Distribution: Mesosaurus fossils are found in both South America and Africa. This distribution aligns with the hypothesis of continental drift, which suggests that these continents were once connected and later separated. The similarity in fossil remains on different continents supports the claim that Mesosaurus populations were separated when the continents drifted apart.
Geological Similarities: The geological formations and sedimentary layers in which Mesosaurus fossils are found in South America and Africa display remarkable similarities. This similarity implies that these regions were once part of the same landmass and were subsequently separated. The matching geological features provide further evidence for the separation of Mesosaurus populations due to continental drift.
Matching Climate and Habitat: Mesosaurus fossils indicate that the species was adapted to a freshwater environment. The presence of similar freshwater environments in both South America and Africa further supports the claim that Mesosaurus populations were separated when the continents drifted apart. The matching climate and habitat conditions provide evidence that supports the idea of geographic isolation and subsequent speciation.
In conclusion, the distribution of Mesosaurus fossils across South America and Africa, the geological similarities between these regions, and the matching climate and habitat conditions all support the claim that the separation of Mesosaurus populations can be explained by the process of continental drift.
For more question on climate
https://brainly.com/question/29617595
#SPJ8