2C3H6O + 8O2 --> 6CO2 + 6H2O


The combustion reaction for propanol is given above. How many moles of water are produced if 0.15 moles of propanol (C3H6O) reacts with an excess amount oxygen gas?


Please try to show work if possible!

Answer:

It's answer is c) exactly 37 protons

Answer:

C) ,  Exactly 37 protons.

Explanation:

Remember the electrons have a negative charge, so to make a atom with 37 electrons neutral, you will need the same amount of the opposite type. That means you need 37 protons.

Explanation:

2HCl+2Zn----> 2ZnCl+H2

Explanation:

HCL + Zn= zncl2 + H2

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C. Chemical properties always change depending on temperature or pressure.

Physical Change v/s Chemical Change:

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Answer:

A Punnet Square...the second I am not sure.

Explanation:

Unfortunately the second could be many things. You'd have to have more background information.

Answer:

PUNNETT....,MAKE SURE U HAVE 2 T,s

Explanation:

punnett and cross

Answer:

c

Explanation:

the plate tectonics collide there a lot

Answer:

the answer is hormone

Explanation:

because it is

The pH changes with the addition of each of the following components:5 drops of 0.1 M NaOH added to 100 mL of 0.5 M acetate buffer

The pH of the buffer solution will increase by a tiny amount when 5 drops of 0.1 M NaOH are added to 100 mL of 0.5 M acetate buffer.5 drops of 0.1 M HCl added to 100 mL of 0.5 M acetate buffer: The pH of the buffer solution will decrease by a small amount when 5 drops of 0.1 M HCl are added to 100 mL of 0.5 M acetate buffer.5 drops of 0.1 M NaOH added to 100 mL of 0.5 M HCl: The pH of the solution will increase significantly when 5 drops of 0.1 M NaOH are added to 100 mL of 0.5 M HCl.5 drops of 0.1 M NaOH added to distilled water: The pH of the distilled water will increase significantly when 5 drops of 0.1 M NaOH are added to it.

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             Where is the picture?                                                                         

Answer:

A. iron

Explanation:

I got a 100

The answer is A.

I know this information because I just took the unit test review on Edg.

Lithium has lowest electronegativity value.

The propensity of an atom of a certain chemical element to draw sharing electrons while forming a chemical bond was known as electronegativity and was denoted by the symbol. The atomic number and the separation of the valence electrons from the charged nucleus have an impact on an atom's electronegativity.

It is known that on moving toward the period in the periodic table electronegativity rapidly increases and decreases  toward the group. So, lithium will have least  electronegativity value than beryllium, boron, carbon, and nitrogen

Therefore, Lithium has lowest electronegativity value.

Hence, the correct answer will be option (a).

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The formation of solid magnesium chloride (MgCl₂) by the reaction between chlorine gas (Cl₂) and magnesium metal (Mg) at high temperatures is classified as a synthesis reaction or a combination reaction.

Synthesis reactions involve the combination of two or more substances to form a single product. In this case, chlorine gas and magnesium metal combine to produce magnesium chloride as the sole product.

The balanced chemical equation for this synthesis reaction is:

Mg + Cl₂ ⇒ MgCl₂

Hence, the reaction between chlorine gas and magnesium metal to form solid magnesium chloride indicates a synthesis reaction, as the elements combine to form a compound.

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To make 1 liter of a 10% NaCl solution from a solid stock, you will require the following materials and containers.MaterialsSolid NaClDistilled water1-Liter volumetric flask250-mL volumetric flask 2-beakersProcedureTo prepare 1 liter of a 10% NaCl solution, the following procedure should be followed:Measure out 100g of NaCl using a balance.

Measure the weight of an empty 250-mL volumetric flask.Add the NaCl to a 250-mL beaker and add a small amount of distilled water to it to dissolve the NaCl.Carefully pour the dissolved NaCl solution into the 250-mL volumetric flask. Add distilled water to the mark on the flask to make up the volume. Stopper the flask and invert it several times to mix the solution.Measure the weight of the 1-Liter volumetric flask.Add the 250-mL volumetric flask solution to a 1-Liter volumetric flask.Add distilled water to the mark on the flask to make up the volume.

Stopper the flask and invert it several times to mix the solution.The final volume of the solution will be 1 liter of a 10% NaCl solution.PrecautionsEnsure the NaCl has completely dissolved before adding more water to avoid making a less concentrated solution.Measure the weight of the volumetric flask before and after adding the solution to calculate the volume of solution that was added.Use distilled water to prepare the solution.

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Answer:

\(Ksp=2.0x10^{-14}\)

Explanation:

Hello there!

In this case, given the solubilization of cadmium (II) hydroxide:

\(Cd(OH)_2(s)\rightleftharpoons Cd^{2+}(aq)+2OH^-(aq)\)

The solubility product can be set up as follows:

\(Ksp=[Cd^{2+}][OH^-]^2\)

Now, since we know the concentration of cadmium (II) ions at equilibrium and the mole ratio of these ions to the hydroxide ions is 1:2, we infer that the concentration of the latter at equilibrium is 3.5x10⁻⁵ M. In such a way, the resulting Ksp turns out to be:

\(Ksp=(1.7x10^{-5})(3.4x10^{-5})^2\\\\Ksp=2.0x10^{-14}\)

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There have been many atomic structure theories from ancient times to the present day. They have emerged from the studies of various scientists and have helped us to comprehend the nature of atoms.

This model portrays the atom as a positively charged body with negatively charged particles dispersed inside it.Bohr Model:In 1913, Neils Bohr, a  physicist, introduced the Bohr model of the atom. He proposed that the atom consists of a small, positively charged nucleus orbited by negatively charged electrons. According to Bohr's model, electrons are placed in certain orbits and emit or absorb photons of particular energies to transition between orbits. Bohr's model demonstrated how electrons were bound to the nucleus.

It provided a new understanding of electrons and energy that paved the way for the study of chemical properties and reactions.Electron Cloud Model:

The Electron Cloud Model, also called the Quantum Mechanical Model of the atom, is the most recent model. This model was proposed in the late 1920s. Electrons are now seen as occupying the atom's orbitals, which are cloud-like regions around the nucleus. The model takes into account the statistical nature of the positioning of electrons in the electron cloud around the nucleus. The model helps to calculate the probable location of an electron. The wave-particle duality concept is incorporated into this model to help describe the behavior of electrons.

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The molarity of the aqueous solution of C₆H₁₂O is 0.00856 mol/L, having an osmotic pressure of 157 mmHg at 23°C.

The molarity of an aqueous solution of C₆H₁₂O₆ can be determined using the formula for osmotic pressure, which is:

π = iMRT

Where:

To find the molarity of the solution, we can rearrange the formula to solve for M:

First, we need to convert the given values to the appropriate units. The osmotic pressure should be in atm, and the temperature should be in Kelvin

We also know that the van't Hoff factor for C₆H₁₂O₆ is 1 since it is a non-electrolyte and does not dissociate into ions in solution.

Now, we can plug in the values and solve for the molar concentration:

M = (0.2066 atm) / ((0.08206 L atm / mol K) × (296.15 K))M = 0.00856 mol/L

Therefore, the molarity of the aqueous solution of C6H12O6 is 0.00856 mol/L.

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Answer:

answer is B

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Answer: Ionic attractions

Explanation:

Ionic bonding is a type of chemical bond that involves the electrostatic attraction between oppositely charged ions.

Answer:

b

Explanation:

Answer:

1,3,2

Explanation:

N2 + 3H2-----> 2NH3

Answer:

C, Mixture

Explanation:

Answer:

the correct answer is actually D pure substance

Explanation:

Answer:

To neutralize the 25 ml of 1.0 M HCl, a volume of 12.5 ml of 2.0 M NaOH is required.

Explanation:

To determine the volume of 2.0 M NaOH required to neutralize 25 ml of 1.0 M HCl, we can use the concept of stoichiometry and the balanced chemical equation for the neutralization reaction between NaOH and HCl:

NaOH + HCl → NaCl + H2O

From the balanced equation, we can see that one mole of NaOH reacts with one mole of HCl to produce one mole of NaCl and one mole of water.

Here, the concentration of NaOH is 2.0 M and the volume of HCl is 25 ml (which is equivalent to 0.025 L) and its concentration is 1.0 M, we can use the equation:

Moles of NaOH = Moles of HCl(2.0 M) x (Volume of NaOH in liters)

= (1.0 M) x (0.025 L)

Solving for the volume of NaOH:

Volume of NaOH in liters = (1.0 M) x (0.025 L) / (2.0 M)

= 0.0125 L

Converting the volume to milliliters:

Volume of NaOH in ml = 0.0125 L x 1000 ml/L

= 12.5 ml

Therefore, 12.5 ml of 2.0 M NaOH is required to neutralize 25 ml of 1.0 M HCl.

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Answer:

It heats up.

Explanation:

Because thermal energy is based off the temperature of an object and the average kinetic energy of its particles increases. When the average kinetic energy of its particles increases, the object's thermal energy increases. Therefore, the thermal energy of an object increases as its temperature increase.

Answer:the branch of science which examines the material of the universe and changes that these materials undergo

Chemistry deals with composition,structure,properties of matter and changes that these materials undergo

Answer:

they are called isotopes

Answer:

Claim: The jump in ionization energy from I2 to I3 is the largest.

Evidence: You would have to search some up but the jump is from 1450.7 kj/mole to 7732.7 kj/mole. You could also say that magnesium has an electron configuration of [Ne] 3s2 and after removing the two outer valance electrons the next electrons being removed would be core electrons.

Reasoning: Core electrons need lots of energy to remove from the atom, while valance electrons are easy to remove. The 2nd electron removed is a valance electron, while the 3rd electron removed is a core electron. Thus, we should expect that the energy needed to remove a hard to remove electron (the 3rd electron) would be much more than the energy needed to remove the easy to remove electron (2nd) and we should expect a large jump of ionization energy from I2 to I3.

Answer:

Explanation:

The conditions before Storm 1 were likely more conducive to rainfall due to higher temperatures and higher levels of atmospheric moisture. Warmer temperatures allow the air to hold more moisture, which can lead to an increase in rainfall. Additionally, higher levels of atmospheric moisture increase the chances of rainfall, as the droplets of water vapor in the air are able to coalesce and form larger drops. These larger drops are more likely to reach the ground as rain.

The standard heat of reaction (ΔH∘rxn) for the formation of \(CO_{2}\) carbon and oxygen is -393.5 kJ/mol.

The standard heat of reaction (ΔH∘rxn) is the enthalpy change that occurs when one mole of a compound is formed from its constituent elements in their standard states.

The given reaction is:

C(s) + \(O_{2}\)(g) →\(CO_{2}\)(g)

The standard enthalpy of formation of \(CO_{2}\) (g) is -393.5 kJ/mol. The standard enthalpy of formation of elements in their pure form is zero.

Therefore, the standard heat of reaction for this reaction is:

ΔH∘rxn = -393.5 kJ/mol

This means that the formation of one mole of \(CO_{2}\) (g) from its constituent elements releases 393.5 kJ of heat.

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