Directions: Show all of your work for each of the following problems. 1. What is the % Mg in MgO?

2. What is the % H in Ca(C2H3O2)2?

3. What is the % Ba in Ba(NO3)2?

4. What is the % of each element in Ni3(PO4)2?

5. What is the % of each element in Al2(CrO4)3?

6. What is the % of each element in (NH4)2(SO4)?

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?

it would be a gas formation

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.