Does this equation satisfy the Laws of Conservation of Matter and Mass? Н2РО4 - P4010 + H2O

O yes
O no

Explain the consequences of this addiction to the brain tissue

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.