A balloon is filled with 0.250 mole of air at 35°C. If the volume of the balloon is 6.23 liters, what is the absolute pressure of the air in the balloon?

Which statement about climate is true? A. The climate of an area can change from one day to the next. B. Climate is atmospheric conditions in an area over a long period of time. C.

Which sentence describes two atoms that form an ionic bond? O A. Each atom has a large electronegativity. B. Each atom has a small electronegativity. O C. The difference in their electronegativities is less than 1.7. O D.

Question 1 Heat is the measure of thermal energy that flows from one object to another driven by a difference in temperature. Question 1 options: True False Question 2 Temperature is related to the average kinetic energy of the molecules.

Magnesium reacts with hydrochloric acid to produce magnesium chloride and hydrogen gas the reactants in this reaction are

Is soda just opened a heterogeneous mixture?

Which noble gas has the same electron configuration as the oxygen in a water molecule?

If an increase in tematute accompanies a reaction, what occurred?

Calculate the empirical formula the compound with the following percent composition: 27.59%C 1.15%H 16.09%N 55.17%O

What is 2000 converted to scientific notation

Hard water deposits (calcium carbonate) have built up around your bathroom sink. Which of these substances would be most effective in dissolving the deposits? Select one: a. ammonia b. bleach (sodium hypochlorite) c. lye (sodium hydroxide) d.