A balloon has a volume of 3.8 L at standard pressure and at a temperature of 20 Celsius. What is the new volume of the balloon when the pressure drops to 54 kPa and the temperature drops to -15 Celsius?

Balance this equation: n2 + h2 > nh3, write the following molar ratios: n2 / n2 / nh3 h2 /

0.09 moles of sodium sulfate in 12 ml of solution

1. explain hydrogen peroxide, h 2 o 2 properties and decomposition reaction. 2. describe how each of the following natural cycles plays a part in earth’s climate system. (a) the water cycle (b) the carbon cycle