Why is it impoertant for scientists to measure how much precipitation is falling across the world.?

There state of matter that keeps its shape and volume when it is placed in a container

How high will an ice cube float in different temperatures of water and why?

What is the molecular weight of a gas if a 12.0 g sample has a pressure of 836 mm Hg at 25.0°C in a 2.00 L flask? (R = 0.0821 L atm / mol K)

How is heat included in the equation of an endothermic reaction?

At constant temperature, a sample of helium at 760. torr in a closed container was compressed from 5.00 l to 3.00 l, with no change in moles or temperature. what was the new pressure exerted by the helium on its container?

Change of state may occur when?

During the combustion of 2.00 g of coal, the temperature of 500 g of water inside the calorimeter increased from 25.0°c to 43.7°c. the specific heat of water is 4.18 j/g·°c. how much heat did the reaction generate?

Catalysts are substances that increase the rate of reaction but can be recovered unchanged at the end of the reaction. Catalysts can be classified as either homogeneous (same state as reactants) or heterogeneous (different state than reactants).

How many molecules are there in 79g of Fe2O3?

Which of the following elements is an alkall metal?