Species III - DivX Version (Normal Quality), iPod/iPhone Version


Written on November 14, 2009 – 8:29 pm | by harryoneil1978

Species IIISpecies III (2004)

IMDB rating: 4.10

Plot: While being transported in a military ambulance and supposed dead, Eve delivers an offspring and is killed by a half-breed. The baby girl is abducted by Dr. Abbot, and a couple of days later she grows up, reaching adulthood and becoming a gorgeous young woman called Sara. Dr. Abbot expects to develop a perfect DNA using Sara’s eggs and win the Nobel Prize, and invites the student Dean to be his assistant and share his research and future awards. But while Sara unsuccessfully chases a perfect mate for her to generate a perfect being, the flawed half-breeds leaded by Amelia try to reproduce with her to survive their species.

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chemistry help please!!!?
1.In which of the following cases will the LEAST
time be required to arrive at equilibrium? K
below refers to the equilibrium constant.
a. K is a very large number.
b. K is about 1.
c. Cannot tell since the time to arrive at
equilibrium does not depend on K.
d. Cannot tell without knowing the value of
K.
e. K is a very small number.

2.Consider the reaction
CaCO3(s) ??
CaO(s) + CO2(g) ,
at equilibrium at a certain temperature.
Now a small amount of Ca14CO3(s) (14C la-
beled calcium carbonate) is added. What
species will be present after equilibrium is
re-established?
a. CaCO3(s), Ca14CO3(s), CaO(s), CO2(g)
b. CaCO3(s), Ca14CO3(s), CaO(s),
14CO2(g), CO2(g)
c. CaO(s), 14CO2(g), CO2(g)
d. CaCO3(s), CaO(s), 14CO2(g), CO2(g)
e. Ca14CO3(s), CaO(s), 14CO2(g), CO2(g)

4.The following equilibrium exists in a closed
container:
N2(g) + O2(g) ! 2 NO(g)
If the partial pressures of N2, O2 and NO
at equilibrium are 1.5 atm, 2.5 atm and
0.75 atm respectively, what is the equilbrium
constants?
a. K = 5
b. K = 0.15
c. K = 6.67
d. K = 0.2

5.Which of the following is TRUE?
a. A small value ofK means that the equilib-
rium concentrations of the reactants are small
compared to the equilibrium concentrations
of the products.
b. When the value of K is small, the equi-
librium lies on the product side of the equilib-
rium reaction.
c. When the value of Q is large, the equilib-
rium lies on the product side of the equilib-
rium reaction.
d. A large value of K means that the equi-
librium concentrations of products are large
compared to the equilibrium concentrations
of the reactants.
e. When the value of K is large, the equilib-
rium lies on the reactant side of the equilib-
rium reaction.

6.At 600?C, the equilibrium constant for the
reaction
2HgO(s) ! 2Hg(?) + O2(g)
is 2.8. Calculate the equilibrium constant for
the reaction
1/2O2(g) + Hg(?) ! HgO(s) .
a. ?1.7
b. 0.60
c. 0.36
d. 1.1
e. 1.7

7The value of the equilibrium constant for the
reaction
H2(g) + I2(g) <=> 2HI(g)
is 19.7 at a specified temperature. What
would be the value of that constant for the
reverse reaction under these same conditions?

8.The equilibrium constant Kc for the reaction
2 SO2(g) + O2(g) ! —> 2 SO3(g)
is 11.7 at 1100 K. A mixture of SO2, O2, and
SO3, each with a concentration of 0.015 M,
was introduced into a container at 1100 K.
Which of the following is true?
a. [SO3] = [SO2] = [O2] at equilibrium.
b. [SO3] = 0.045 M at equilibrium.
c. SO2(g) and O2(g) will be formed until
equilibrium is reached.
d. SO3(g) will be formed until equilibrium is
reached.
e. [SO3] = 0.015 M at equilibrium.

9.At equilibrium a mixture of N2, H2, NH3
gas at 500?C is determined to consist of 0.614
mol/L of N2, 0.409 mol/L of H2, and 0.155
mol/L of NH3. What is the equilibrium con-
stant for the reaction
N2(g) + 3H2(g) <=> 2NH3(g)
at this temperature?

10.For the reaction
H2(g) + I2(g) <=> 2HI(g)
at 425?C, calculate [HI], given [H2] = [I2] =
0.000733 mol/L and K = 54.3. Answer in
units of mol/L.

11.For the formation of ammonia, the equilib-
rium constant is known to be 5.2 ? 10?5 at
25?C. After analysis, it is determined that
[N2] = 2.5 M and [H2] = 0.8 M, both at equi-
librium. How many grams of ammonia are in
the 10 L reaction vessel at equilibium? Use
the equilibrium equation
N2(g) + 3H2(g) <=> 2NH3(g)
Answer in units of g.

12.Consider the following exothermic reaction:
CaO(s) + CO2(g) —> CaCO3(s)
In response to a decrease in temperature, the
system would:
a. shift left
b. not enough information
c. not change
d. shift right

13.Given the reaction
2NH3(g) <=> N2(g) + 3H2(g)
at equilibrium, if the pressure is doubled
(think of the volume of the container halving),
in which direction will the reaction shift?
a. left
b. no change
c. right

14.Which of the following will change the value
of the equilibrium constant for a reaction?
I) changing the concentration of one of the
products;
II) changing the concentration of one of the
reactants;
III) changing the temperature.
a. II and III only
b. I only
c. II only
d. III only
e. I, II and III
f. I and II only

15 (part 1 of 4)
Consider the reaction
2 A(g) + B(g) <=> C(g) + D(g)
H = ?52 kJ/mol
at equilibrium. Which way would the equilib-
rium shift if
a) the volume of the container were de-
creased?
a. no shift
b. right
c. left

(part 2 of 4)
b) some B were added to the container?
a. no shift
b. left
c. right

(part 3 of 4)
c) some D were removed from the container?
a. right
b. left
c. no shift

(part 4 of 4)
d) the temperature were increased?
a. left
b. right
c. no shift

if you can help me with any of these it would be really helpful! thanks so much

Visit these sites to learn more about chemistry formulas and concepts that can help you in regards to your problem:

00http://www.webelements.com/
00http://chemistry.about.com/od/homeworkhe lp/Chemistry_Homework_Help.htm

Dhan Noon | Apr 25, 2009

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