415g an hydrous Barium Chloride Were heated
When 459g of the hydrated salt were heated
calculate the folumar Bacl .nH₂O

Which metal exist in liquid state and can be cut with knife ?

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.

Match the term to its description match term definition chemical energy a) internal energy caused by vibrations of atoms and molecules electrical energy b) electromagnetic energy that travels in waves radiant energy c) the movement of an electrical charge thermal energy d) potential energy stored in the bonds between atoms