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Determine the amount of heat (q) in joules that is released when 20.0 grams of water is cooled from 85˚C to 5˚C. Remember that the specific heat of water is 4.18 J/g˚C.

What type of energy results from the position of an object? A. Chemical Energy B. Electrical Energy C. Nuclear Energy D. Potential Energy

Calculate the moles and the mass of solute in 250.0 ml of 6.00 m naoh

Calculate the new volume if a 13.3 L of a gas initially at a pressure of 2.51 atm is subjected to an increase in pressure equivalent to 65.0 mmHg.

What would seasons be like if there was no tilt?

Two elements, and, combine to form two binary compounds. in the first compound, 28.0 g of combines with 3.00 g of. in the second compound, 7.00 g of combines with 4.50 g of. show that these data are in accord with the law of multiple proportions.

The molecules of a substance are moving rapidly in a container. The molecules do not interact with each other. If the container is opened, the molecules will escape from the container.

Why is fluorine a gas?

What is the empirical formula for a compound if a sample contains 3.72g of p and 21.28g of cl?-pcl5-pcl3-p2cl10-p2cl5

Use the equation 2HgO--> 2Hg+O2 to find how many moles of mercury are produced if 27 g of oxygen are produced. 2.1 1.3 2.6 2.4

How much mass does an electron, proton, and neutron have?