Which of the following is not a reason that power plants are unable to achieve 100 percent efficiency?
A. The amount of work obtained from a process never has work needing to go into it.
B. Not all energy is converted heat from chemical reactions into useful work.
C. Entropy increases.
D. Heat is often a waste product
Answers: 3
Chemistry, 22.06.2019 10:00
The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) ⇌ co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) → co2(g) k=1.363×10^69 b. 2 h2(g) + o2(g) → 2 h2o(g) k=1.389×10^80 c. 2co(g) + o2 (g) → 2 co2(g) k=1.477×10^90
Answers: 1
Chemistry, 22.06.2019 22:30
Which one of the following bonds would you expect to be the most polar? a) b–h b) n–h c) p–h d) al–h e) c–h
Answers: 1
Chemistry, 23.06.2019 03:30
How many grams of sodium chloride are in 250ml of a 2.5m naci solution
Answers: 1
Chemistry, 23.06.2019 07:20
F1.5 mol of nabh4 react, how many moles of b2h6 are formed? 2 nabh4(aq) + h2so4(aq) → 2 h2(g) + na2so4(aq) + b2h6(g)
Answers: 1
Which of the following is not a reason that power plants are unable to achieve 100 percent efficienc...
Mathematics, 01.07.2019 03:00
Mathematics, 01.07.2019 03:00
History, 01.07.2019 03:00