subject
Chemistry, 24.09.2019 02:30 juliopejfuhrf7336

Which change results in a release of energy?
1. the melting of h₂o(s)
2. the boiling of water(l)
3. the evaporation of h₂0 (l)
4. the condensation of h₂0(g)

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 06:30
Use examples from the article to explain one positive and one negative effect that chemistry has had on society.
Answers: 2
question
Chemistry, 22.06.2019 19:20
15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.
Answers: 1
question
Chemistry, 22.06.2019 23:10
What are the two major rules associated with polarity
Answers: 1
question
Chemistry, 23.06.2019 04:20
The equation below shows the reaction of zinc with hydrochloric acid (hcl). zn (s) + 2 hcl (aq) —> zncl2 (aq) + h2 (g) what will happen if the concentration of hcl is decreased? a. more zncl2 will be produced. b. the reaction rate will slow down. c. the hydrochloric acid will become more acidic. d. the reaction will produce water instead of hydrogen gas.
Answers: 1
You know the right answer?
Which change results in a release of energy?
1. the melting of h₂o(s)
2. the boiling of...
Questions
question
Social Studies, 19.04.2021 04:10
question
Mathematics, 19.04.2021 04:10
question
History, 19.04.2021 04:10
question
Mathematics, 19.04.2021 04:10
question
Mathematics, 19.04.2021 04:10
question
Mathematics, 19.04.2021 04:10
Questions on the website: 13722362