What is the pressure exerted by 1.2 moles of a gas with a

temperature of 20.0° C and a volume of 9.5 L? (R=0.0821, K=°C +

273)

а

3.0 atm

b

1.0 atm

С

30 atm

d

0.030 atm

In swimming, you apply a force to the water to move yourself forward. The greater the water pressure, the faster you can swim.

Which type of reactions form salts? neutralization reactions highly basic reactions highly acidic reactions

What is the net charge of an ion that has 8 protons, 9 neutrons, and 10 electrons

Why would an aqueous solution of a strong electrolyte conduct electricity better than an aqueous solution of a weak electrolyte? A. More ions are in solution with a weak electrolyte. B. More ions are in solution with a strong electrolyte. C.

What is half of 1 and 1/3 cups of semisweet chocolate?

What side does heat go on in an endothermic reaction?

Consider the chemical reaction represented below. CH4 + 2O2 CO2 + 2H2O + Heat Which of the following statements about this reaction is true? A. The reaction releases heat. B. Heat is absorbed by the reaction. C. The reaction releases oxygen. D.

Which phrase is a result of a scientific law? Daryl is a scientist at a research institute. He reviews articles written by other scientists. He conducts experiments after creating a hypothesis.

What are two elements that produce background radiation on earth and what do their decay equations look like?

Look up sodium in the Periodic Table (Na). Then, answer the following questions The number of electrons in n = 1 level? The number of electrons in n = 2 level? The number of electrons in n = 3 level? Choose the letter with the 3 correct answers.