Answers FL-2003350-Chemistry 1 HonorsTypes of Reactions

Limiting Reactant and Percent Yield Answers

10 verified answers1 views

Free Preview

What is the percent yield of ferrous sulfide if the actual yield is 220.0 g and the theoretical yield is 275.6 g?Use .

12.52%

55.60%

79.83%

87.91%

Free Preview

Consider the combustion reaction for acetylene. 2C2H2(l) + 5O2(g) 4CO2(g) + 2H2O(g)If the acetylene tank contains 37.0 mol of C2H2 and the oxygen tank contains 81.0 mol of O2, what is the limiting reactant for this reaction?

C2H2

CO2

H2O

Consider the balanced equation.CuSO4 + Zn ZnSO4 + CuIf 200.0 g of copper(II) sulfate react with an excess of zinc metal, what is the theoretical yield of copper?

1.253 g

50.72 g

79.63 g

194.3 g

Salicylic acid (C7H6O3) reacts with acetic anhydride (C4H6O3) to form acetylsalicylic acid (C9H8O4). 2C7H6O3(aq) + C4H6O3(aq) 2C9H8O4(aq) + H2O(l)What is the limiting reactant if 70.0 g of C7H6O3 and 80.0 g of C4H6O3 react?

water

salicylic acid

acetic anhydride

acetylsalicylic acid

The equation represents the combustion of sucrose (C12H22O11). C12H22O11 + 12O2 12CO2 + 11H2OIf there are 10.0 g of sucrose and 8.0 g of oxygen, how many moles of sucrose are available for this reaction?

0.029 mol

0.250 mol

0.351 mol

3.00 mol

Consider the balanced equation. N2 + 3H2 2NH3 What is the percent yield of NH3 if the reaction of 26.3 g of H2 produces 79.0 g of NH3?Use .

17.8%

33.3%

35.7%

53.4%

Which statement correctly describes the relationship between reactant and yield?

The actual yield is calculated from the amount of the excess reactant present.

The actual yield is calculated from the amount of the limiting reactant present.

The theoretical yield is calculated from the amount of the excess reactant present.

The theoretical yield is calculated from the amount of the limiting reactant present.

The formula is used to calculate the

real

percent

molar

empirical

The electrolysis of water forms H2 and O2. 2H2O 2H2 + O2 What is the percent yield of O2 if 10.2 g of O2 is produced from the decomposition of 17.0 g of H2O?Use .

15.1%

33.8%

60.1%

67.6%

What is used up in and stops a chemical reaction?

percent yield

limiting reactant

theoretical yield

excess reactant

The chemical equation for the formation of ammonia is unbalanced.3H2(g) + N2(g) NH3(g)If three molecules of hydrogen react with one molecule of nitrogen, how many molecules of ammonia would be formed?

Which statement best describes the formula equation Cl2(g) + 2KBr(aq) 2KCl(aq)+ Br2(l)?

Carbon iodide reacts with potassium bromide to form potassium carbon iodide and bromine.

Bromine gas reacts with a solution of potassium chloride to form potassium bromide and chlorine gas.

Potassium bromine gas reacts with liquid chlorine to form potassium chloride in solution and bromine gas.

Chlorine gas reacts with potassium bromide to form potassium chloride in solution and liquid bromine.

Fluorine gas is placed in contact with calcium metal at high temperatures to produce calcium fluoride powder. What is the formula equation for this reaction?

Upper F subscript 2 (l) plus upper N a (s) right arrow upper N a upper F subscript 2 (s).

Upper F subscript 2 (g) plus upper C a (s) right arrow upper C a upper F subscript 2 (l).

Upper F subscript 2 (g) plus upper N a (s) right arrow with delta above upper N a upper F subscript 2 (l)

Upper F subscript 2 (g) plus upper C a (s) right arrow with delta above upper C a upper F subscript 2 (s).

Which formula equation represents the burning of sulfur to produce sulfur dioxide?

Upper S (s) plus upper O subscript 2 (g) right arrow with delta above upper S upper O subscript 2 (g).

2 upper H subscript 2 upper s (s) plus 3 upper 0 subscript 2 (g) right arrow 2 upper H subscript 2 upper O (l) plus 2 upper S upper 0 subscript 2 (g).

4 upper F e upper S subscript 2 plus 11 upper O subscript 2 right arrow 2 upper F e subscript 2 upper O subscript 3 plus 8 upper S upper O subscript 2.

2 upper S upper O subscript 2 (g) plus upper O subscript 2 (g) right arrow with upper V subscript 2 upper O subscript 5 above arrow 2 upper S upper O subscript 3 (g).

Which word equation shows hydrogen reacting with oxygen to form water?

oxygen + water hydrogen

hydrogen + oxygen water

oxygen + water hydrogen + water

hydrogen + water oxygen

Which chemical equation is unbalanced?

C + O2 CO2

Sr + O2 2SrO

6H2 + 3O2 6H2O

H2 + H2 + O2 H2O + H2O

Which symbol can be used to indicate the pressure at which a chemical reaction is carried out?

25 degrees Celsius over a right arrow.

Delta over a right arrow.

2 a t m over a right arrow.

Upper P t over a right arrow.

What is the formula equation for the reaction between sulfuric acid and dissolved sodium hydroxide if all products and reactants are in the aqueous or liquid phase?

Upper H upper C l (a q) plus upper N a upper O upper H (a q) right arrow upper N a upper C l (s) plus upper H subscript 2 upper O (l).

Upper H subscript 2 upper S upper O subscript 4 (a q) plus upper C a (upper O upper H) subscript 2 (a q q) right arrow upper C a upper S upper O subscript 4 (a q) plus 2 upper H subscript 2 upper O (l).

Upper H subscript 2 upper S upper O subscript 4 (a q) plus 2 upper N a upper O upper H (a q) right arrow upper N a subscript 2 upper A upper O subscript 4 (a q) plus 2 upper H subscript 2 upper O (l).

2 upper H subscript 3 upper P upper O subscript 4 (a q) plus 3 upper C a (upper O upper H) subscript 2 (a q) right arrow upper C a subscript 3 (upper PO upper O) subscript 4 (s) plus 6 upper H subscript 2 upper O (l).

The compound FeCl3 is made of

three molecules of iron chloride.

one atom of iron and three atoms of carbon.

one atom of iron and three atoms of chlorine.

two atoms of iodine, one atom of iron, and one atom of carbon.

In a chemical equation, which symbol should be used to indicate that a substance is in solution?

(s)

(g)

(l)

(aq)

Did you find these answers helpful?

Limiting Reactant and Percent Yield Answers

More from this Course

TRY EDGENUITY HACKS