Calculate the mass of 12.044*10^23atom of carbon

The decomposition of hydrogen peroxide in dilute sodium hydroxide at 20 °C is first order in H2O2. H2O2 (aq) H2O (l) + ½ O2 (g) During one experiment it was found that the H2O2 concentration dropped from 5.

How many Sig figs are in the following numbers? 2.35, 89.70, 34000, and 0.0052

Which element is found in most of the compounds in your body except for water

Describe the most likely changes in the size and shape of individual particles of sediment as they are transported sownstream by the battenkill and hudson rivers

Does CO2 dissolve in water or oil

What is the mole ratio of N2 + 3H2 Right arrow. 2NH3

In a second-order reaction (one that is second order in one reactant), cutting in half the concentration of that reactant will have what effect on the reaction rate? A) The reaction rate will remain the same. B) The reaction rate will double.

How many moles of nitrogen gas are in a 10.0 L container at STP? a. 0.45 moles b. 22.4 moles c. 10.0 moles d. 6.02 x 1023 moles

In your own words, explain John Martin s theory about iron dumping.

List four common signs that a chemical reaction has occurred.