subject
Chemistry, 29.06.2021 01:00 jessie6516

The temperature of a sample of liquid water changes from 50°C to 30°C. Which statement best explains the change that must happen at the molecular level?
The molecules move more quickly and their average kinetic energy increases
The molecules move more bowly and their average kinetic energy decreases
The molecules move more quickly and their average kinetic energy decreases
The molecules move more slowly and their average kinetic energy increases.

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 05:50
Why doesn't heat added to water make the tempature rise above 100c
Answers: 2
question
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
question
Chemistry, 22.06.2019 19:00
How many moles of cu are needed to react with 5.8 moles of agno3? cu + 2 agno3 → cu(no3)2 + 2 ag
Answers: 3
question
Chemistry, 22.06.2019 19:30
Helium decays to form lithium. which equation correctly describes this decay?
Answers: 2
You know the right answer?
The temperature of a sample of liquid water changes from 50°C to 30°C. Which statement best explains...
Questions
question
Mathematics, 25.06.2019 00:00
Questions on the website: 13722361