Why does opening the air valve of a tire at a constant temperature decrease the pressure? A) the temperature decreases B) The volume decreases C) The number of molecules decrease D) The atmospheric pressure decreases

How do cm3 compare to mililiters

Water is dissolved into n-butanol (a polar liquid). Which is the second step at the molecular level as water dissolves into n-butanol? n-Butanol mixes with water. Water molecules are carried into n-butanol.

How many high-energy phosphates are generated in converting 1 mole of glucose to lactate?

Does all matter have chemical energy?

A scientist has 400 ml of an 8% solution. How much water needs to be added to reduce this to a 2% solution?

Describe your observations of the original solutions. Describe your observations when the silver nitrate was added to the sodium chloride solution.

A gas occupies 18.5L at stp. what volume will it occupy at 735 torr and 57°c?

When two elements form two different compounds, the masses of element B that combine with 1 g of element A can be expressed as a ratio of small whole numbers.

Which best identifies why the rusting of an iron nail in the presence of water and oxygen is in oxidation-reduction reaction

In the laboratory hydrogen gas is usually made by the following reaction:Zn (s) + 2HCl (aq) = H2 (g) + ZnCl2 (aq) How many liters of H2 gas, collected over water at an atmospheric pressure of 752 mmHg and a temperture of 21 Co, can made from 3.