Dentify the type of reaction and balance the following equation 1. Br2 + KI > KBr + I2

2. P4 + O2 > P4O10

3. PBr3 + H2O > H3PO3 + HBr

4. C2H6 + O2 > CO2 + H2O

What is the molar mass of ca(cio4)2

Complete the following statements to describe solids, liquids, and gases. select the correct answer from each drop-down menu. a solid a definite volume and a definite shape. a liquid a definite volume and a definite shape. a gas a definite volume and a definite shape

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.