If the rate law for the reaction 2A + 3B products is second order in A and first order in B, then the rate law is rate = ________.
A) kAB
B) kA2B3
C) kAB2
D) kA2B
E) kA2B2
Question 2
Lead (II) carbonate decomposes to give lead (II) oxide and carbon dioxide: PbCO3 (s) PbO (s) + CO2 (g) How many grams of lead (II) oxide will be produced by the decomposition of 2.50 g of lead (II) carbonate?
A) 0.41
B) 2.50
C) 0.00936
D) 2.09
E) 2.61
Question 3
________ are found uncombined, as monatomic species in nature.
A) Noble gases
B) Chalcogens
C) Alkali metals
D) Alkaline earth metals
E) Halogens