2H2 + O2 - - > 2H2O can be classified as what type of reaction? A. Both synthesis and combustion. B. Only synthesis. C. Only combustion. D. It cannot be classified.

How many molecules are in 489g of CO3

Which Of The Following Would Represent An Increase In Entropy A. Precipitating B. Condensing C. Thawing D. Freezing

Is solubility a chemical or physical property

Solve the following mole-mass problem. Refer to the periodic table. How much mass does 0.50 mole of copper contain? 31.775 g 31.78 g 31.8 g 32 g

If 20 grams of zinc reacts with hydrochloric acid, how much zinc chloride is produced?

How many moles of neon (Ne, 20.179 g/mol) are in 68.4 grams of neon

A 50.00 mL sample of groundwater is titrated with 0.0300 M EDTA. Of 12.40 mL of EDTA is required to titrate the 50.00 mL sample, what is the hardness of the groundwater in molarity and in parts per million of CaCO 3 by mass

Why openness is important to the progress of science?

At a certain temperature the rate of this reaction is second order in NH4OH with a rate constant of 34.1 M^-1s^-1: Suppose a vessel contains NH4OH at a concentration of 0.100M.

If you go into the lab and dissolve 2.11 g of magnesium chloride in enough water to make 1500 ml of solution, what is the molarity of the resulting solution?