subject
Chemistry, 09.08.2021 04:00 alexcuevaz90

What is the name of the physical change that occurs in each of the following instan a. Oxygen is cooled from -150°C to -200°C. b. Iron is cooled from 1600°C to 1500°C. C. Mercury is heated from -130°C to -100°C. 9. Which colorless substance is a solid at -50°C?

10. Which substance is a liquid at 1000°C?

11. Which substance condenses from a gas to a liquid as the temperature is cooled 20°C to -50°C?

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 18:20
Which reason best explains why metals are malleable? a)because they have delocalized electrons b)because they have localized electrons c)because they have ionic bonds d)because they have rigid bonds
Answers: 2
question
Chemistry, 22.06.2019 20:20
Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)
Answers: 1
question
Chemistry, 22.06.2019 22:10
Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water
Answers: 3
question
Chemistry, 23.06.2019 01:00
Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.
Answers: 1
You know the right answer?
What is the name of the physical change that occurs in each of the following instan a. Oxygen is coo...
Questions
Questions on the website: 13722360