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Kitty [74]
3 years ago
5

What are the two types of stoichiometry?

Chemistry
2 answers:
julsineya [31]3 years ago
8 0
Two types of stoichiometry are; molar mass and coefficients from balanced equation.
pav-90 [236]3 years ago
6 0
Grams and moles of a single chemical.
coefficients from balanced equation - to convert between moles of one chemical and moles of a different chemical.
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How many protons are found in an atom of platinum (pt)?
Natasha_Volkova [10]
78 protons are found in platinum(pt).
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3 years ago
What volume of water is produced when 38.5 g of ethanol reacts with oxygen at 500°C at 1.75 atm?
tensa zangetsu [6.8K]

Answer:

90.99 or 91.0

Explanation:

Using the balanced equation, you convert 38.5g of ethanol to moles of water. From there, you plug the values into the Ideal Gas Equation: PV=nRT.

Download pdf
3 0
3 years ago
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Which action effectively increases the reactant concentration and increases
yanalaym [24]

Answer:

heating the reactant mix

Explanation:

Heat can result in to speed the reaction process.

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8 0
3 years ago
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What is the name of this molecule? (will give BRAINLIEST)
mrs_skeptik [129]

Answer:

2 - Butyne

Explanation:

The name of the molecule with a carbon atoms arranged in a straight chain with a triple bond between the second and third carbons is 2 - Butyne.

2- Butyne is an alkyne with structural formula given below. Some of the properties of Butyne include it is a produced artificially, it is volatile and colorless in nature.

Hence, the given molecules described is 2 - Butyne.

6 0
3 years ago
If 0.340 mol of a nonvolatile nonelectrolyte are dissolved in 3.10 mol of water, what is the vapor pressure PH2O of the resultin
SIZIF [17.4K]

Answer:

21.4 torr

Explanation:

The vapour pressure of a solution is lower than that of the pure solvent. And according to Raoult's law this depends of the amount of solute in the solvent. It is calculated according to the following equation

P_{A} =X_{A} P^{o} _{A}

where P_{A} is the pressure of the solution\\ X_{A} is the mole fraction of the solvent\\ P^{o}_{A}is the mole fraction of pure solvent

P_{A}=\frac{3.10 mol}{3.10mol+0.340mol}*23.8torr=21.4torr

7 0
3 years ago
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