Name the different protein binding targets for Ca2+ ions in smooth vs. skeletal muscle cells and describe the similarities and differences in cellular response to Ca2+ binding in the two cell types.

Give the oxidation number for oxygen in the following compound: O2

Given the below  equation  determine the number of liters of CO2 formed at STP when 24.0 grams of C2H6 is burned in excess oxygen gas. (Show work for full credit) 2C2H6(g) + 7O2(g) -> 4CO2(g) + 6H2O(g)  

Choose the statement below that is TRUE:

Choose the statement below that is TRUE:

Which of the following compounds is a base?

Identify HNO3

Identify the spectator ions in the following molecular equation. LiBr(aq) + AgNO3(aq) ->  AgBr(s) + LiNO3(aq)  

Which of the following reactions is a acid-base reaction?  

A mixture of 0.220 moles CO, 0.350 moles N2 and 0.640 moles Ne has a total pressure of 2.95 atm. What is the pressure of CO?