A student measured the masses of four different-sized blocks. The student determined that each block had a mass of 50 grams. (There is a small block, a little bit bigger block, a big block and the biggles block)

Which block has the least density?

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.

Why do oxygen have a strong attractive force for electrons

Astudent states that 9.0 g of baking soda will form an unsaturated solution in 100 g of water. what do you need to know to decide whether this statement is correct? a. the temperature of the water and the molar mass of baking soda b. the percent by volume of the solution and the solubility of baking soda c. the temperature of the water and the solubility of baking soda at that temperature