An increased demand for fertiliser, the manage ary adjustments to increase the yield of ammonia,
Irun on small scale in the laboratory, the engineer makes adjustments to the TEMPERATURE, PRE
ONCENTRATION of the equilibrium mixture. The graphs below represent the results obtained
N
H2
3
1
$
$
1
+
1
Concentration (mol-dm3)
1
1
1
-
1
NH3
.
-
1
1
$
1
1
1
1
t3
Time (minutes)
0
t1
t2
tify the changes made to the equilibrium mixture at each of the following times:
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What determines the amount of inertia an object has

Arunner is jogging at a steady 3.6 km/hr. when the runner is 2.9 km from the finish line, a bird begins flying from the runner to the finish line at 14.4 km/hr (4 times as fast as the runner). when the bird reaches the finish line, it turns around and flies back to the runner. even though the bird is a dodo, we will assume that it occupies only one point in space, i.e., a zero-length bird. how far does the bird travel? (b) after this first encounter, the bird then turns around and flies from the runner back to the finish line, turns around again and flies back to the runner. the bird repeats the back and forth trips until the runner reaches the finish line. how far does the bird travel from the beginning? (i.e. include the distance traveled to the first encounter)

6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.