Using the diagram above, answer the following questions:
6. True or False. The arrow labeled C represents a transfer of chemical energy to mechanical energy. Explain why this is true or false. –
7. True or False. The arrow labeled A represents a transfer of solar energy to chemical energy. Explain why this is true or false. –
8. Which arrow or arrows represent a release of carbon dioxide? What process is occurring at the arrow(s) you selected?
9. Which arrow or arrows indicate a process that cycles carbon from living or nonliving organisms? Describe the process or processes you selected.
10. Which arrow or arrows represent reactions that demonstrate a conservation of mass and energy? Explain your answer.
PLEASE HELP!
Answers: 1
Chemistry, 21.06.2019 14:00
Consider the balanced equation below. n2h4 + 2h2o2 n2 + 4h2o what are the mole ratios of hydrazine (n2h4) to hydrogen peroxide (h2o2) and hydrazine to water? 1: 2 and 1: 4 1: 3 and 1: 4 1: 2 and 3: 5 1: 3 and 3: 5
Answers: 3
Chemistry, 22.06.2019 05:30
Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat
Answers: 1
Chemistry, 22.06.2019 13:30
1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6
Answers: 2
Using the diagram above, answer the following questions:
6. True or False. The arrow labeled C repr...
Mathematics, 25.01.2021 06:10
Mathematics, 25.01.2021 06:10
Mathematics, 25.01.2021 06:10
Physics, 25.01.2021 06:10
Social Studies, 25.01.2021 06:10
Mathematics, 25.01.2021 06:10
Mathematics, 25.01.2021 06:10
Mathematics, 25.01.2021 06:10
History, 25.01.2021 06:10
History, 25.01.2021 06:10
Mathematics, 25.01.2021 06:10