Use the periodic to fill in the numbers in the electron configurations shown below. B: 1s2 2sA2pB

Each step in the following process has a yield of 70.0%. CH4+4Cl2⟶CCl4+4HCl CCl4+2HF⟶CCl2F2+2HCl The CCl4 formed in the first step is used as a reactant in the second step. If 2.

How many days does it take to go from a waxing gibbous to a waning

What mass of CO was used up in the reaction with an excess of oxygen gas if 24.7g of carbon dioxide is formed? 2 CO + O2 > 2 CO2

Determine the number of moles of gas in 45.0 liters of oxygen at STP. a) 1.61 moles b) 2.01 moles c) 22.5 moles d) 45.0 moles

What are the two driving forces behind chemical reactions?

A certain radioactive element has a half-life of one hour. if you start with 1.0 gram of the element at noon, how much of the radioactive element will be left at 2 p. m.? 0.50 grams 0.25 grams 0.125 grams 0.0 grams

Name two bases which react with dillute sulfuric acid to give zinc sulfate

What is the correct name for the compound nh4clo4?

What is the molality of a solution when 1.2 moles MgCl2 is stirred in 1000 grams of water?

How many elements are in one molecule of Methane? How many elements are in one molecule of Ammonia? How many elements are in one molecule of Vinyl Alcohol? How many elements are in one molecule of Ethylene?