of water d. 2 moles of hydrogen reacte with 1 mole of oxygen to form 2 moles of water 15. The process of photosynthesis in plants requires carbon dioxide to react with water to form oxygen and glucose/sugar. The balanced equation Is... a. 6CO2+ 6H20 CeH12O+ 602+ 6H20 b. 6CO2 + 6H20 CoHs2Oe+602 C. 6CO2+6H2O d. 6CO2+ 6H20 1) CeH12Os+ 6H2O 602+ 6H20
of water d. 2 moles of hydrogen reacte with 1 mole of oxygen to form 2 moles of water 15. The process of photosynthesis in plants requires carbon dioxide to react with water to form oxygen and glucose/sugar. The balanced equation Is... a. 6CO2+ 6H20 CeH12O+ 602+ 6H20 b. 6CO2 + 6H20 CoHs2Oe+602 C. 6CO2+6H2O d. 6CO2+ 6H20 1) CeH12Os+ 6H2O 602+ 6H20
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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Thermochemistry
Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.
Exergonic Reaction
The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.
Question
Answer the following question
Transcribed Image Text:rams of hydrogen reacts with 32 grams of oxygen to form 36 grams of water
d. 2 moles of hydrogen reacts with 1 moie of oxygen to form 2 moles of water
15 The process of photosynthesis in plants requires carbon dioxlde to react with water to fom
oxygen and glucoselsugar. The balancad equation Is..
a. 6C02+ 6H20 CeH12O+ 602 6H20
b. 6CO2 + 6H20 COH12O8+602
c. 6CO2 6H;0 CeH12Os+ 6H20
d. 6C02+ 6H20 602+ 6H20
**For questions 16-18, use this equation: Fe;O3+ 3 CO2 Fe+3 CO2
If 340.53 grams of FeOs are reacted...
16. What is the LImiting reactant?
a. FeOs
17.What ie the reactant in excess?
b. CO
C. Fe
d. CO2
4. Fo:Os
18. How many grame of CO2 will be produced?
4. 340.53
19. Which of the following statements is FALSE for the chemical equation given below in which
nitrogen gas reacts with hydrogen gas to form ammonia gas assuming the reaction goes to
completion?
b. CO
C. Fe
d. CO2
b. 160
C. 44
d. 280.94
N2 + 3H2 2NH3
8. The reaction of one mole of H2 will produce 2/3 moles of NHs.
b. One mole of N2 will produce two moles of NH3.
c. One molecule of nitrogen requires three molecules of hydrogen for complete reaction.
d. The reaction of 14 g of nitrogen produces 17 g of ammonia.
20. Calcium carbide, CaC2, is an important preiliminary chemical for Industries producing synthetic
fabrics and plastics. CaC2 may be produced by heating calcium oxide with coke. The correct
and balanced equation for this reaction Is...
a. CaO+2C- CaC2+ 2C0
b. CaO+ 2C CaC2+ CO
c. CaO+ 3C2C2C2 +2 CO
d. CaO+3C- CaC2+ CO
With reference to reaction in no. 20, what is the amount of CaC2 which can be produced
from the reaction of excess calcium oxide and 10.2g of carbon? (Assume 100% efficiency of
reaction for purposes of this problem.)
a. 18.1 g
22. The Limiting reactant in no. 20 reaction is...
2. CaO
23. Calculate the mass of hydrogen formed when 25 grams of aluminum reacts with excess
hydrochloric acid.
21.
b. 28.4 g
c. 20.8 g
d.19.8 g
d. CO
b. СаС?
C. C
2AI + 6HCI Al2Cls + 3H2
b. 1.2g
a.0.41 g
с. 1.8 g
d. 2.8 g
mith reference to problem no. 23, if 4 moles Al is used up in the reaction, how many moles of
AlCle will be produced?
a. 2
b. 4
C. 6
d. 8
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