Consider the following reaction: A + B → C
Initial Initial Initial
[A] [B2] ∆[C]/∆t
M M M/s
1 0.1 0.1 4.0 × 10−4
2 0.2 0.1 1.6 × 10−3
3 0.1 0.2 4.0 × 10−4
Given the dependence of the initial rate of
formation of C on the initial concentration of
A and B in the table, what are the values of
the orders of [A] and [B]?
1. A : 2; B : 0
2. A : 1; B : 2
3. A : 1; B : 1
4. A : 2; B : 1
5. A : 2; B : 2

Often on a topographic map, every fifth contour line is darkened. what is this line called? a. key b.slope c.benchmark d. index contour

What is the atomic number of an atom that has 6 protons

Tooth enamel consists mainly of the mineral calcium hydroxyapatite, ca_10(po_4)_6(oh)_2. trace elements in teeth of archaeological specimens provide anthropologist with clues about diet and diseases of ancient people. students at hamline university measured strontium in enamel from extracted wisdom teeth by atomic absorption spectroscopy. solutions with a constant total volume of 10.0 ml contained 0.726 mg of dissolved tooth enamel plus variable concentrations of added sr. added sr find the concentration of sr in the 10 ml sample solution in parts per billion = ng/ml. find the concentration of sr in tooth enamel in parts per million = mu g/g.