Compounds have properties unlike those of their elements.

a. True

b. False

How many moles of Iodine are found in 50.0g of Iodine?

What is the change in heat energy when 132g of copper at 32.2°C is raised to 45.0oC? The specific heat of copper is 0.385 J/g °C.

Rob and his sister Joan are standing on their apartment balcony. Rob throws a ball straight out from the balcony. At the same time, Joan drops a ball straight down. Both balls reach the ground at the same time.

If an object's mechanical energy is equal to its potential energy how much kinetic energy does the object have how do you know

What is the mass (in grams) of 9.49 * 1024 molecules of methanol (CH3OH) ?

What is the volume of 2.00 moles of chlorine (cl2) gas at stp, to the nearest tenth of a liter?

A reaction of 12.640 g of copper oxide with 0.316 g hydrogen produces 2.844 g of water and Xg of copper. X=_9

If i burn steel wool inside a closed jar or bottle will the oxygen be completly gone

700 grams of glucose reacted fully with oxygen How many moles of gas will be created

The uranium used for nuclear fuel exists in nature in several minerals. Calculate how many moles of uranium are in 8.00 moles of the following: 1. carnotite, K2 (UO2) 2 (VO4) 2 • 3H2O 2. uranophane, CaU2Si2O11 • 7H2O 3.