Chapter 9 Review

The ______________ yield is the maximum amount of product possible in a reaction. This determines the amount of product that should be produced in a perfect setting

• Percent
• actual
• stoichiometry
• theoretical

Tags

NGSS.HS-PS1-7

When reacting Na with Cl₂, we calculated that the theoretical yield should be 12.5 grams. Our actual yield was 13.0 grams. What is the percent yield?

• 100%
• 104%
• 96%
• 1.04

Tags

NGSS.HS-PS1-7

Theoretical yield = 73g
Actual yield = 62g
Calculate the percent yield.

• 1.16%
• 116%
• 85%
• 76%

Tags

NGSS.HS-PS1-7

Percent yield = 100%
Theoretical yield = 88 grams
What is your actual yield?

• 88 grams
• 88%
• 100 grams
• 22%

Tags

NGSS.HS-PS1-7

Zn  +  CuCl​₂​​  →  ZnCl​₂​  ​+  Cu
How many moles of ZnCl₂ will be produced from 23.0 g of Zn

• 0.354 moles
• 1495 moles
• 47.76 g

Tags

NGSS.HS-PS1-7

Zn + 2HCl → ZnCl​₂ ​​+ H​₂​​
15 grams of HCl should theoretically produce 0.42 grams of H₂. The reaction actually produced 0.15 grams of H₂. What is the percent yield of H₂?

• 2.8%
• 280%
• 1%
• 36%

Tags

NGSS.HS-PS1-7

Mole

• A dark spot on the skin

• A rodent that lives underground

• a quantity, a unit of substance equal to 6.022x10^23 atoms.

• A number that appears before a formula in a chemical equation.

The stuff formed from a chemical reaction. The results of a chemical reaction, shown on the right side.

• Reactants

• Products

• Mass

• Stoichiometry

Tags

NGSS.HS-PS1-7

A measure of the amount of matter in an object.

• Mole

• Theoretical Yield

• Actual Yield

• Mass

Tags

NGSS.HS-PS1-7

Reactants

• The stuff you start with in a chemical reaction. Usually shown on the left side.

• The stuff you end with in a chemical reaction.

Tags

NGSS.MS-PS1-1