The number of moles in 118.0g of calcium chloride

When atoms are bonded together are they stable or unstable?

what mass of hg will occupy a volume of 50.0 mL

Which of the following are sources of low-level radiation? A) medical X-rays B) nuclear weapons testing C) buring of fossil fuels D) all of the above E) a and c only

How many elements are in magnesium

How can a sea cave become a sea arch?

What do nucleus act as

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?