Chemistry, 24.07.2019 15:50 ashleymarie11142
4. air is made up of gas particles. these particles exert pressure on every object they collide against. this pressure is known as air pressure. which of the following statements about air pressure is true? air pressure decreases as altitude increases the atmosphere's air pressure does not vary warm air tends to have a higher air pressure than cold air air pressure increases as altitude increases
Answers: 1
Chemistry, 22.06.2019 09:30
One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)
Answers: 1
Chemistry, 22.06.2019 13:30
If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion
Answers: 3
Chemistry, 23.06.2019 04:20
The equation below shows a chemical reaction. a + b + heat —> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.
Answers: 1
Chemistry, 23.06.2019 07:00
How does science use models to gain a better understanding of concepts?
Answers: 1
4. air is made up of gas particles. these particles exert pressure on every object they collide agai...
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