Homework Problems4.1 Calculate the number of moles in a 5.00-g sample of each of the following:a. Caffeine (C8H10N402)b. Aspirin (C9H8O4)c. PenicillinV (C16H18N2O5S)4.2 Balance the following equations:a. Cl₂O7 + H₂O ->>> HC104b. Fe2(CO3)3Fe2O3 + CO₂c. H3PO4 + Mn(OH)2 - Mn3(PO4)2+ H₂Od. P₂H4 → PH3 + P4e. SO₂Cl2 + HI→ H₂S + H₂O + HC1 + 1₂4.3 Write the formula equation, total ionic and net ionic equations for each of thefollowing:a. The reaction of Pb(NO3)2 and LiCl.b. The reaction of ZnSO4 and KOH.4.4 In the following redox reactions, identify what is oxidized and what is reduced:a. Zn(s) + 2Ag (aq) → Zn²+(aq) + 2Ag(s)-b. Sn²+ (aq) + 2Ce+(aq)c. 2Au(s) + 6H*(aq)d. 4Co(s) + 302(g)e. 2CO(g) + O2(g) →→ Sn(aq) + 2Ce³+ (aq)3+2Au³+ (aq) + 3H₂(g)2C0203(s)2CO2(g)4-24 4.5 Define, explain, or describe each of the following terms:a. exothermic reactionb. endothermic reactionc. reversible equationd. dynamic equilibrium4.6 Consider the following reaction:2NiS2(s) + 502(g) 2NiO(s) + 4SO₂(g)a. How many moles of SO2 will be produced from 8.95 g of O₂?b. How many grams of NiO would be formed from the reaction of 0.0125 mol ofNiS₂?c. How many grams of O2 are needed to completely react with 3.74 g of NiS2?4.7 Consider the following reaction:4NH3(g) + 702(g) → 4NO2(g) + 6H₂0(1)a. How many moles of NH3 react with 5.64 mol of O₂?b. How many moles of NO₂ are obtained from 3.27 mol of O₂?c. How many moles of H₂O will be produced from 8.95 g of NH3?d. How many grams of NH3 will be needed to produce 0.0160 g of NO₂?of 0.80 atm. (R = 0.08206 L'atm/(mol-K).4.8 Calculate the volume occupied by 1.5 moles of an ideal gas at 25°C and a pressure4.9 A sample of carbon monoxide has a volume of 150 mL at 10. °C and 0.75 atm.and the volume changed to 500. mL?What pressure will be exerted by the gas if the temperature is increased to 522°C

Answered: Image /qna-images/answer/d2c5f377-4c78-4bf6-9080-d1268c80175c.jpg

Homework Problems 4.1 Calculate the number of moles in a 5.00-g sample of each of the following: a. Caffeine (C8H10N402) b. Aspirin (C9H8O4) c. PenicillinV (C16H18N2O5S) 4.2 Balance the following equations: a. Cl₂O7 + H₂O → HCIO4 b. Fe₂(CO3)3 -> Fe2O3 + CO₂ c. H3PO4 + Mn(OH)2→Mn3(PO4)2 + H₂O d. P₂H4 → PH3 + P4 e. SO₂Cl₂ + HI → H₂S + H₂O + HCl + 1₂ following: 4.3 Write the formula equation, total ionic and net ionic equations for each of the a. The reaction of Pb(NO3)2 and LiCl. b. The reaction of ZnSO4 and KOH. Zn²+(aq) + 2Ag(s) 4.4 In the following redox reactions, identify what is oxidized and what is reduced: a. Zn(s) + 2Ag*(aq) b. Sn²+(aq) + 2Ce** (aq) c. 2 Au(s) + 6H* (aq) d. 4Co(s) + 302(g) - e. 2CO(g) + O₂(g) → - Sn(aq) + 2Ce³+ (aq) 2Au³+ (aq) + 3H₂(g) 2C0203(s) 2CO₂(g) 4-24

Homework Problems 4.1 Calculate the number of moles in a 5.00-g sample of each of the following: a. Caffeine (C8H10N402) b. Aspirin (C9H8O4) c. PenicillinV (C16H18N2O5S) 4.2 Balance the following equations: a. Cl₂O7 + H₂O → HCIO4 b. Fe₂(CO3)3 -> Fe2O3 + CO₂ c. H3PO4 + Mn(OH)2→Mn3(PO4)2 + H₂O d. P₂H4 → PH3 + P4 e. SO₂Cl₂ + HI → H₂S + H₂O + HCl + 1₂ following: 4.3 Write the formula equation, total ionic and net ionic equations for each of the a. The reaction of Pb(NO3)2 and LiCl. b. The reaction of ZnSO4 and KOH. Zn²+(aq) + 2Ag(s) 4.4 In the following redox reactions, identify what is oxidized and what is reduced: a. Zn(s) + 2Ag*(aq) b. Sn²+(aq) + 2Ce** (aq) c. 2 Au(s) + 6H* (aq) d. 4Co(s) + 302(g) - e. 2CO(g) + O₂(g) → - Sn(aq) + 2Ce³+ (aq) 2Au³+ (aq) + 3H₂(g) 2C0203(s) 2CO₂(g) 4-24

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Stoichiometry

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Question

Homework Problems
4.1 Calculate the number of moles in a 5.00-g sample of each of the following:
a. Caffeine (C8H10N402)
b. Aspirin (C9H8O4)
c. PenicillinV (C16H18N2O5S)
4.2 Balance the following equations:
a. Cl₂O7 + H₂O ->>> HC104
b. Fe2(CO3)3
Fe2O3 + CO₂
c. H3PO4 + Mn(OH)2 - Mn3(PO4)2+ H₂O
d. P₂H4 → PH3 + P4
e. SO₂Cl2 + HI→ H₂S + H₂O + HC1 + 1₂
4.3 Write the formula equation, total ionic and net ionic equations for each of the
following:
a. The reaction of Pb(NO3)2 and LiCl.
b. The reaction of ZnSO4 and KOH.
4.4 In the following redox reactions, identify what is oxidized and what is reduced:
a. Zn(s) + 2Ag (aq) → Zn²+(aq) + 2Ag(s)
-
b. Sn²+ (aq) + 2Ce+(aq)
c. 2Au(s) + 6H*(aq)
d. 4Co(s) + 302(g)
e. 2CO(g) + O2(g) →
→ Sn(aq) + 2Ce³+ (aq)
3+
2Au³+ (aq) + 3H₂(g)
2C0203(s)
2CO2(g)
4-24

4.5 Define, explain, or describe each of the following terms:
a. exothermic reaction
b. endothermic reaction
c. reversible equation
d. dynamic equilibrium
4.6 Consider the following reaction:
2NiS2(s) + 502(g) 2NiO(s) + 4SO₂(g)
a. How many moles of SO2 will be produced from 8.95 g of O₂?
b. How many grams of NiO would be formed from the reaction of 0.0125 mol of
NiS₂?
c. How many grams of O2 are needed to completely react with 3.74 g of NiS2?
4.7 Consider the following reaction:
4NH3(g) + 702(g) → 4NO2(g) + 6H₂0(1)
a. How many moles of NH3 react with 5.64 mol of O₂?
b. How many moles of NO₂ are obtained from 3.27 mol of O₂?
c. How many moles of H₂O will be produced from 8.95 g of NH3?
d. How many grams of NH3 will be needed to produce 0.0160 g of NO₂?
of 0.80 atm. (R = 0.08206 L'atm/(mol-K).
4.8 Calculate the volume occupied by 1.5 moles of an ideal gas at 25°C and a pressure
4.9 A sample of carbon monoxide has a volume of 150 mL at 10. °C and 0.75 atm.
and the volume changed to 500. mL?
What pressure will be exerted by the gas if the temperature is increased to 522°C

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