Write a paragraph that explains the differences and similarities between solid, liquid and gas particle motion; include drawings to help with your explanations.
Answers
Answer:
don't do it gives you a virus
Explanation:
Related Questions
Gasohol is a mixture of gasoline and ethanol (grain alcohol), C2H5OH. Calculate the maximum work that could be obtained at 25 °C and 1 atm by burning 1. 003 mol of C2H5OH. C2H5OH(1) + 302(g) 2C02(g) + 3H20(g) Maximum work = kJ Use correct number of significant digits;
Answers
Gasohol is a blend of gasoline and ethanol. To determine the maximum work that can be obtained by burning 1.003 mol of C2H5OH at 25°C and 1 atm, the Gibbs free energy equation can be utilized. What is Gibbs free energy equation? Gibbs free energy equation is a thermodynamic equation that quantifies the maximum quantity of work that may be obtained during a chemical reaction. T
he equation is as follows: ΔG = ΔH - TΔSThe values of ΔH and ΔS are calculated from thermodynamic tables or by calculating the enthalpy and entropy of the products and reactants, and the temperature, T, is usually specified in Kelvin. The change in Gibbs free energy, ΔG, is the maximum amount of energy that can be obtained from the reaction in the form of useful work if the reaction takes place at constant pressure and temperature. The reaction will proceed spontaneously if ΔG is negative. And if ΔG is positive, the reaction will not take place spontaneously. The solution to this problem is shown below:
First, let's figure out how much heat is produced when one mole of C2H5OH is burnt.ΔHrxn = [2(moles of CO2)(-393.5 kJ/mol) + 3(moles of H2O)(-285.8 kJ/mol)] - [(moles of C2H5OH)(-277.7 kJ/mol)]ΔHrxn = [2(2.006 mol)(-393.5 kJ/mol) + 3(3.009 mol)(-285.8 kJ/mol)] - [1.003 mol(-277.7 kJ/mol)]ΔHrxn = -2043.5 kJ/mol. Now, we'll figure out the entropy change for the reaction.ΔSrxn = [2(moles of CO2)(213.8 J/mol-K) + 3(moles of H2O)(69.9 J/mol-K)] - [(moles of C2H5OH)(160.7 J/mol-K)]ΔSrxn = [2(2.006 mol)(213.8 J/mol-K) + 3(3.009 mol)(69.9 J/mol-K)] - [1.003 mol(160.7 J/mol-K)]ΔSrxn = -104.3 J/mol-KThe temperature in Kelvin is 25°C.273 + 25 = 298 KΔG = ΔH - TΔSΔG = -2043.5 kJ/mol - (298 K)(-104.3 J/mol-K)/1000ΔG = -2032.6 kJ/mol. Therefore, the maximum work that can be obtained by burning 1.003 mol of C2H5OH is 2032.6 kJ/mol, which is the value of ΔG.
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Which of the following can be stopped by a piece of paper?
O Alpha
O Beta
O Gamma
Answers
Alpha if I remember correctly.
Answer:
alpha
Explanation:
because I think it is
discharge by the combination of Nitrogen and oxygen
Answers
Answer:
NO2
Explanation:
N = Nitrogen
O = Oxygen
Answer:
NO. 2.
is the answer
hopes this helps
If poison expires does that mean it won't have the poisonous effect?
Answers
Answer:
no.
Explanation:
when a substance is heated, the temperature of that substance increases. will the same amount of energy cause different substances to have identical temperature increases? will the same amount of energy be needed to cause identical temperature increases in different amounts of the same substance? in this activity you will explore how mass, temperature, heat energy, and the type of substance are related.
Answers
The same amount of energy will not cause different substances to have identical temperature increases because each substance has a unique heat capacity. Heat capacity is the amount of energy required to raise the temperature of a given amount of a substance by 1 degree Celsius.
Different substances have different heat capacities due to differences in their molecular structures, so the amount of energy needed to raise the temperature of one substance may be more or less than the amount needed to raise the temperature of another substance by the same amount.
Similarly, the same amount of energy will not be needed to cause identical temperature increases in different amounts of the same substance because heat capacity is directly proportional to mass, meaning that larger amounts of the same substance will require more energy to raise the temperature by the same amount.
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Which one of your body cells carries proteins that determine your blood type?
1) All of your cells
2)Skin cells
3) Red blood cells
4)White blood cells
Answers
4. What trend in atomic radius occurs down a group on the periodic table?
rind on the periodic table?
Answers
Answer:Atomic radius gets bigger
Explanation:
Atomic radius bigger because not only do the atoms have more and more protons and neutrons, and thus more mass in general, there is also stronger shielding affect. Shielding affect is when electrons closer to the nucleus block the positive charge from reaching electrons farther from the nucleus, and thus those far electrons are not drawn towards the nucleus as strongly, and spread out more, increasing atomic radius.
Most strong electrolyte solutions are not ideal so that the measured value of the van't Hoff factor i is _____ than expected from the formula of the compound. This is because ions in solution are not totally isolated from each other, but remain clustered together to form an ionic atmosphere. This _____ the effective concentration of particles and therefore the measured value of i.
Answers
Answer: Van't Hoff factor, i is less than expected from the formula of the compound and this decreases the effective concentration of particles.
Explanation:
Strong electrolytes are defined as the solutions which completely dissociate into their ions.
But, most of the strong electrolytes do not dissociate completely (act ideally) but remain partially undissociated into the ions. Thus, giving a lesser number of ions in the solution than expected.
This means that the Van't Hoff factor, i which denotes the number of ions is less than expected.
As fewer ions are released in the solution, the concentration of the solution is expected to decrease.
Hence, van't Hoff factor, i is less than expected from the formula of the compound and this decreases the effective concentration of particles.
¿ que uso e damos ala tecnología en nuestra vida diaria ? ¿que impacto tendría el no contar con la tecnología? ¿cuales son las nuevas tecnologías? ayúdenme por favor
Answers
Answer:
We in daily life use technology to pay virtually through virtual wallets, work at home, purchase packages to travel abroad, many businesses handle virtual advertising, that is why it is called the new "market window" to social networks or internet pages, university universities playful methods through virtual campuses or virtual classes.
The serious impact is very great since many of the activities of daily life change, and they will return to being as before the technology affected in our lives, reversing customs and technological generations.
The new technologies are: computer science, engineering, arquetectonica, scientific, industrial, commercial ... Where a fourth industrial revolution arises where many processes that were carried out by humans today would be automated by computers or technological devices that improve market efficiency, of consumption and industrialization.
Explanation:
In addition, new technologies are those that are based on electronic devices that are based on social communication, the development of social networks and technology based on global communications.
Which of the following has a flxed volume but not a flxed shape?
rock
oxygen
carbon dioxide
water
Answers
Question 14 of 34
for a reaction, ah = 2 kj. for which value of tas is the reaction
spontaneous?
oa. -2 kj
b. 3 kj
oc. 2 kj
od. -3 kj
Answers
Option B is correct answer, when TΔS is 3 KJ the reaction is spontaneous reaction.
What is spontaneous reaction?
A spontaneous process in thermodynamics is one that happens without the system receiving any outside input. The time-evolution of a system in which it releases free energy and transitions to a lower, more thermodynamically stable energy state is a more technical definition (closer to thermodynamic equilibrium). Following the general convention for thermodynamic measurements, the sign convention for changes in free energy is as follows: a release of free energy from the system corresponds to a negative change in the system's free energy and a positive change in the surrounding free energy.
The reaction's spontaneity is determined by the Gibbs Free Energy (ΔG) value.
This value is calculated using the following equation, which depicts the link between temperature, entropy (ΔS), enthalpy (ΔH), and the Gibbs free energy (ΔG):
ΔG = ΔH - T(ΔS)
A positive ΔG value represents a non-spontaneous reaction,
A negative ΔG value represents a spontaneous reaction.
Given ΔH = 2 KJ,
We get ΔG negative only when TΔS is 3 KJ.
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what is the theoretical yield of acetaminophen product when 3.0 grams of 4-aminophenol are combined with 3.5 ml of acetic anhydride? enter your response in grams (g) to the nearest 0.01 g. g
Answers
P-aminophenol has a molar mass of 109.13 g/mol. Acetaminophen has a molar mass of 151.17 g/mol. Acetic anhydride has a capacity of 1.1 mL.
How is the theoretical yield of acetaminophen determined?The mass of acetaminophen, stated as 0.157g, must be multiplied by the molar mass of acetaminophen to get the theoretical yield. It weighs 151.2g in this case. The theoretical yield thus becomes 0.217g.
How is production yield determined?A measurement called production yield is obtained by dividing the number of high-quality parts produced by the total number of parts started in production.
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what is a safe way to extinguish a grease fire in a sauce pan?
Answers
Answer:
The safe way to put out flames is to slide the pan's lid
Explanation:
To put out the flames, get the pan's lid and'slide' it over the highest point of the pan. Alternately, use a sheet of parchment paper and'slide' it on top of the flaming pan. For the hob to cease offering heat, turn it off. Wait until the pan has totally cooled before lifting it or taking off the cover.
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4Nacl number of atoms
Answers
What would be the value for the ideal gas constant (R) if pressure (P) is in kilopascals, temperature (T)
is in kelvins, volume (V) is in liters, and amount of gas (n) is in moles?
Answers
Answer:
R = 8.314 pKa*L/mol*K
The value for the ideal gas constant (R) is approximately 8.314 kPa·L/(mol·K).
To determine the value for the ideal gas constant (R) when pressure (P) is in kilopascals (kPa), temperature (T) is in kelvins (K), volume (V) is in liters (L), and amount of gas (n) is in moles, we need to use the appropriate units for R based on these measurements.
The ideal gas constant, R, can be expressed in various units. The most common units for R are:
R = 0.0821 L·atm/(mol·K) (atmospheres, liters, moles, and kelvins)
However, since you provided the measurements in kilopascals, liters, moles, and kelvins, we need to use a different value for R that is consistent with these units:
R = 8.314 kPa·L/(mol·K)
Therefore, when pressure is in kilopascals, volume is in liters, amount of gas is in moles, and temperature is in kelvins, the value for the ideal gas constant (R) is approximately 8.314 kPa·L/(mol·K).
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different materials are better suited for different tasks. this is based on their molecular structure. given what you know about metals, why is copper good for conducting electricity?
Answers
Copper is good for conducting electricity because of its unique molecular structure.
Copper has a high electrical conductivity because of its molecular structure. Its atoms are arranged in a way that allows electrons to move freely, making it an excellent conductor of electricity.
Copper has a low resistance to electrical current, meaning that it allows electricity to flow through it with little or no hindrance. This makes it ideal for use in electrical wiring and other applications that require the transfer of electricity.
In addition, copper is also a good conductor of heat, which is why it is commonly used in cookware and other heat-transfer applications. Overall, copper's molecular structure makes it well-suited for a variety of electrical and thermal applications.
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Explain why all other atoms are reactive?
Answers
Answer:
The number of electrons in the outermost shell of an atom determines its reactivity. Noble gases have low reactivity because they have full electron shells. Halogens are highly reactive because they readily gain an electron to fill their outermost shell.
Hope this Helps!~
I NEED THE ANSWER ASAP
Chemicals that have leached into the soil can be made harmless by _______________________. (binary fission, bioremediation)
Answers
Chemicals that have leached into the soil can be made harmless by bio remediation .
What is bio remediation?Bioremediation is a biotechnology process that reduces or eliminates pollution. It is a type of waste management technology that uses organisms to remove or recycle pollutants from polluted areas. There are several remedial measures to clean up contaminated water and solids through chemical treatment, incineration and landfill. There are other types of waste management technologies such as solid waste management, nuclear waste management, etc.Bioremediation is different because it does not use toxic chemicals.How does it work?Bioremediation relies on stimulating the growth of specific microorganisms that use contaminants such as oils, solvents and pesticides as food and energy sources.These microbes convert pollutants into small amounts of water and harmless gases such as carbon dioxide.Can learn more about bio remediation from
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9. Circle the atom in each pair that has the greater ionization energy.
A) Li or Be
B) Ca or Ba
C) Na or K
D) P or Ar
E) Cl or Si
F) Li or K
Answers
B: CA has more ionization energy than BA.
C: NA has more ionization energy than K
D: AR has more ionization energy than P
E: CI has a more ionization energy than SI
F: LI has more ionization energy than K
If any of these are wrong feel free to correct me in the comments.
A) Be
B) Ca
C) Na
D) Ar
E) Cl
F) Li
This question simply deals with ionization energy trends across the periodic table or down the group.
Ionization energy is the energy that is needed to remove an electron from its orbital around an atom in such a manner that it will no longer be associated with that same atom.
Now, from studies, it has been found that Ionization energy decreases down a group but it tends to increase as we go from the left to right going across the periodic table.
A) Li(Lithium) and Be(Berrylium) belong to the same period which is period 2 on the periodic table. Berrylium comes after berrylium in that period and as such from the rule earlier, berrylium will have the greater ionization energy.
B) Ca(Calcium) and Ba(Barium) belong to the same group 2 in the periodic table with barium further down the group. Thus, from the trend, Ca(Calcium) will have the greater ionization energy.
C) Na(Sodium) and K(Potassium) belong to the same group 1 in the periodic table with potassium further down the group. Thus, from the trend, Na(Sodium) will have the greater ionization energy.
D) P(Phosphorus) and Ar(Argon) belong to the same period which is period 3 on the periodic table. Argon comes after Phosphorus in that period and as such from the rule earlier, argon will have the greater ionization energy.
E) Cl(Chlorine) and Si(Silicon) belong to the same period which is period 3 on the periodic table. Cl(Chlorine) comes after Si(Silicon) in that period and as such from the rule earlier, Cl(Chlorine) will have the greater ionization energy.
F) Li(Lithium) and K(Potassium) belong to the same group 1 in the periodic table with potassium further down the group. Thus, from the trend, Li(Lithium) will have the greater ionization energy.
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Which of the following is not part of our solar system?
comets & asteroids
moons
sun
planets
none of the above
Answers
Answer:
none of the above
Explanation:
those are all things that are in our solar syestem
Hope this helps! :)
Complete the table by filling in the missing information.
Options for A
- pressure, volume
- temperature, pressure
- volume, temperature
Options for B
- pressure, moles of gas
- temperature, moles of gas
- volume, moles of gas
Options for C
- Gay-Lussac’s law
- Charles’s law
- Dalton’s law
Options for D
- V = kT
- V = kP
- V = KP
Options for E
- pressure, volume
- temperature, pressure
- volume, temperature
Options for F
- PT = k
- P = kT
- T = kV
Options for G
- pressure only
- temperature, volume
- number of moles only
- pressure, temperature
Answers
Answer:
A. Pressure,Volume
B. Temperature, moles of gas
C. Charles Law
D. V=kT
E. Temperature, Pressure
F. P= kT
G.Number of Moles only
Explanation:
the beta-2 adrenergic receptor is a membrane-bound protein that regulates several cellular processes, including the synthesis and breakdown of glycogen. the receptor binds specifically to the hormone epinephrine. the binding of epinephrine to the beta-2 adrenergic receptor triggers a signal transduction cascade that controls glycogen synthesis and breakdown in the cell. a simplified model of the signal transduction cascade is represented in figure 1.
Answers
Inactivation of the beta-2 adrenergic receptor will most likely result in an increase in the cell's rate of glycogen production.
According to Figure 1, the stimulation of glycogen breakdown and inhibition of glycogen synthesis result from the activation of beta-2-adrenergic receptors. Because glycogen synthesis is no longer hindered, the immediate result of the deactivation of beta-2-adrenergic receptors is an increase in the rate of glycogen synthesis in cells. Because glycogen phosphorylase may have been deactivated, the breakdown of glycogen in cells is no longer encouraged.
This multiple-choice query is:
A. Cyclic AMPAMP concentrations within cells will rise.
B. Protein kinase A's enzymatic activity will rise.
C. Glycogen phosphorylase will become more active.
D. The cell's rate of synthesising glycogen will quicken.
The correct option is D.
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What is the molarity when 25.0 g of the compound NaClO3 is placed in 85.0 mL of solution?
Answers
Answer: Molarity when 25.0 g of the compound \(NaClO_{3}\)is placed in 85.0 mL of solution is 294.12 M.
Explanation:
Given: Mass = 25.0 g
Volume = 85.0 mL (1 mL = 0.001 L) = 0.085 L
Molarity is the number of moles of a substance divided by volume in liter.
Hence, molarity of given solution is calculated as follows.
\(Molarity = \frac{mass}{Volume (in L)}\)
Substitute the values into above formula as follows.
\(Molarity = \frac{mass}{volume (in L)}\\= \frac{25.0 g}{0.085 L}\\= 294.12 M\)
Thus, we can conclude that molarity when 25.0 g of the compound \(NaClO_{3}\)is placed in 85.0 mL of solution is 294.12 M.
Ethanol was pumped into a plastic tank containing 40. 5 litres with a constant flow rate. The amount of water in the tank after 25. 0 minutes was found to be 84. 2 litres
Answers
Therefore, the rate at which the ethanol was being pumped into the tank is 1.21 liters per minute.
To solve this problem, we need to use the fact that the concentration of ethanol in the mixture is 15% and that the flow rate is constant.
Let's assume that the rate at which the ethanol is being pumped into the tank is x liters per minute. Then, after t minutes, the total volume of the mixture in the tank will be (40.5 + xt) liters, and the amount of ethanol in the mixture will be 0.15xt liters.
We also know that after 25 minutes, the amount of water in the tank was 84.2 liters. Therefore, the amount of ethanol in the mixture after 25 minutes was (40.5 + 25x - 84.2) * 0.15 liters.
Setting these two expressions equal to each other, we get:
0.15xt = (40.5 + 25x - 84.2) * 0.15
Simplifying and solving for x, we get:
x = 1.21 liters per minute
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Note: The complete question would be as bellow,
Ethanol was pumped into a plastic tank containing 40.5 liters of water initially, with a constant flow rate. If the concentration of ethanol in the mixture is 15%, what is the rate at which the ethanol was being pumped into the tank?
how to deal with gender based violence as an individual
Answers
Answer:
Raise awareness of the dangers of harmful traditions. ...
Tackle violence against girls in school. ...
Challenge and speak out about violence in the home. ...
Transform attitudes towards harmful practices at multiple levels. ...
Listen to girls' experiences of violence - and their solutions.
estimate the change in standard reaction entropy of the following two reactions when the temperature is increased by 20 k from 273 k at constant pressure:
Answers
The change in standard reaction entropy of two reactions can be estimated when the temperature is increased by 20 K at constant pressure.
The change in standard reaction entropy can be determined using the equation ΔS = ΔH / T, where ΔS is the change in entropy, ΔH is the change in enthalpy, and T is the temperature in Kelvin.To estimate the change in standard reaction entropy, we need the change in enthalpy (ΔH) and the initial temperature (T1) of the reaction.Given that the temperature is increased by 20 K from 273 K, the final temperature (T2) would be 273 K + 20 K = 293 K.We can calculate the change in enthalpy (ΔH) using the equation ΔH = ΔG + TΔS, where ΔG is the change in Gibbs free energy and ΔS is the change in entropy.Assuming that the reactions are at equilibrium, the change in Gibbs free energy (ΔG) would be zero, since ΔG = 0 at equilibrium.Therefore, the equation simplifies to ΔH = TΔS.Using the given temperatures and ΔH = TΔS, we can rearrange the equation to solve for the change in entropy (ΔS): ΔS = ΔH / T.Substitute the values into the equation and calculate the change in standard reaction entropy for each reaction.Compare the change in standard reaction entropy for the two reactions.By using the equation ΔS = ΔH / T and the given temperature increase of 20 K, we can estimate the change in standard reaction entropy for the two reactions.
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Which of the following mechanical waves has the least energy?
Answers
A person's heartbeat is 80 beats per minute. if his/her heart beats 3.1e9 times in a lifetime, how long (in whole years) does the person live? disregard leap years.
Answers
The person will live 73.62 years
The heartbeats 80 times in 1 minute
Therefore , 1 heartbeat takes \(1/80 minutes\) time
In whole life number of heartbeats = \(3.1* 10^{9}\)
Thus, time in which \(3.1* 10^{9}\) heart beat will occur = \(3.1* 10^{9} * 1/80 minutes\)
= \(0.03875 * 10^{9}\) minutes
Since 1 minutes =\(1.90259 * 10^{-6}\) year
Therefore, \(0.3875 * 10^{9}\) minutes = \(0.03875 * 10^{9}\) * \(1.90259 * 10^{-6}\) year
= \(.073625* 10^3\) years
= 73.62 years
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III. Look at Figure which shows solutions taken in test tubes A, B, C and D. What colour is expected when a piece of red litmus paper is dropped in each test tube? Nature of the solutions is given in the table for your help.
Answers
Neutral ----> No Change
Basic ----> Colour will change to
blue
Acidic ----> No change
Neutral ----> No change
hope this will the right answer &
Please attach a photo of the table next time.
☆...hope this helps...☆
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Deciding that she was thirsty, Ms. Smith decided to mix up some lemonade using 2 tablespoons of lemonade, and 2 cups of water. What is the solute and solvent?
Answers
Explanation:
solute is the substance being dissolved so that is the 2 tablespoons of lemonade and the 2 cups of water is the solvent.