# A sample of gas has a volume of 200 mL at a pressure of 700 mm Hg. What will be its pressure if its volume is reduced to 100 mL?

##### 1 Answer

Nov 19, 2015

The new pressure will be

#### Explanation:

Boyle's law states that when a gas is held at a constant temperature and mass in a closed container, the volume and pressure vary inversely. The equation to use is

**Given**

**Unknown**

**Equation**

**Solution**

Rearrange the equation to isolate