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1.   Consider the reaction below. If the rate of reaction is first order with respect to...

1.  

Consider the reaction below. If the rate of reaction is first order with respect to A, what will happen to the rate if the concentration of A is decreased by half? What if it is doubled?

A + B → C + D

2.

Hydrogen bonding can occur in molecules where a hydrogen atom is bound directly to which other elements?

a.

O, N, and F
b.

O, N, and Fe
c.

O, S, and Si
d.

N, Be, and B

3.  

Calculate the new boiling point when 65.45 g of NaCl (58.44 g/mol) is dissolved in 0.75 kg of water. Kb = 0.51 °C*kg/mol

ΔTb = Kb * msolute * i

a.

101.52 ºC
b.

98.48 ºC
c.

110.76 ºC
d.

1.52 ºC

4.  

For the below reaction:

3 A + B ↔ 4 C + 3 D

if the rate of production of D is equal to 2 M/sec when [A] = 1 M, what is the rate of formation of D when [A] = 10 if the reaction is zero order with respect to the [A]?

a.

20 M/sec
b.

2 M/sec
c.

400 M/sec
d.

40 M/sec

5.

The term molality is indicated using the symbol _____ and means _____.

a.

m, moles of solute/L of solvent
b.

m, moles of solute/kg solvent
c.

M, moles of solute/L of solution
d.

M, moles of solute/kg solvent
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