A 43.63 gram sample of a hydrate of caseo4 was heated thoroughly in a porcelain crucible, until its weight remained constant. after heating, 36.45 grams of the anhydrous compound remained. what is the formula of the hydrate?

2. On the basis of your results, what is the relationship between the temperature of the solvent and the rate of solution formation?

Place the following elements of the scale below from lowest energy ties energy Ca, K, Li, Sr, Cu, Na, Fe

Which phrase best describes weathering?

Copper has two isotopes. The one isotope (Copper-63) has an abundance of 69.2% and a mass of 62.930 amu. The second isotope (Copper-65) has an abundance of 30.8% and a mass of 64.928 amu. Calculate the average atomic mass of copper. 62.930 amu 63.

Do the alkali metals tend to gain or lose electrons in chemical reactions?

What is the volume of the sphere? Round your answer to the nearest tenth. cm

Enter a range of values for x, 2x+10, 14

Ruthenium-106 (Ru106) is used to treat melanoma in the eye. This isotope decays by β - emission with a half-life of 373.59 days. One source of the isotope is reprocessed nuclear reactor fuel.

What conversion factor would you use to find the number of moles in 3.52x10^24 molecules

the solubility in mol/dm3 of 20.2g of potassium trioxonitrate (V) dissolved in 100g of water at room temperature is