If 89.6 joules of heat are needed to heat 20 g of iron from 30 c to 40 c, what is the specific heat of the iron in j/cg

What only adds mass to the nucleus

Draw the structures of the starting materials used to synthesize 3-methylbutyl propanoate. (draw the structures in the single sketchpad shown. draw only the structures - do not include a plus sign.)

If you are mixing a solution in a spray bottle with 15 ounces of water, how much chlorine do you need to add for the correct ratio?

20% humidity is a low level which means there would be less of a chance of it raining. A. True B. False

Which method would be the best to use in order to separate a mixture of water and rubbing alcohol? a. distillation b. filtration c. chromatography

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.