PLZ ANSWER IF U KNO THE ANSWER Given the reaction at equilibrium:
2SO2 (g) + O2 (g) <=> 2SO3 (g) + 44 Kcal
Which change will increase the concentration of SO3 (g)?
Select one:
a. increasing the temperature
b. increasing the concentration of O2 (g)
c. increasing the volume of the reaction vessel
d. decreasing the pressure
e. decreasing the concentration of SO2 (g)

A1.5l container holds p.50 grams of an unknown gas at a pressure of 0.44 atm and a temperature of 50.c what is the molar mass of the unknown gas

For a research project, a student decided to test the effect of the lead(ii) ion (pb2+) on the ability of salmon eggs to hatch. this ion was obtainable from the water‐soluble salt, lead(ii) nitrate, which the student decided to make by the following reaction. pbo(s) + 2 hno3(aq) → pb(no3)2(aq) + h2o losses of product for various reasons were expected, and a yield of 86.0% was expected. in order to have 5.00 g of product at this yield, how many grams of pbo should be reacted? (assume that sufficient nitric acid, hno3, would be used.)

Citric acid has a ph between 1 and 3.  it is considered to be aa. weak acidb. weak basec. strong based. strong acid