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Chemistry, 22.06.2019 09:30
The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?
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Chemistry, 23.06.2019 13:30
The activation energy for a(n) is quite large and usually takes extra energy from the environment, it is normally not a natural spontaneous process. combustion reaction endothermic reaction exothermic reaction catalyzed reaction
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Chemistry, 24.06.2019 03:30
Suppose that a large mixing tank initially holds 300 gallons of water in which 50 pounds of salt have been dissolved. pure water is pumped into the tank at a rate of 3 gal/min, and when the solution is well stirred, it is then pumped out at the same rate. determine a differential equation for the amount of salt a(t) in the tank at time t 0. what is a(0)?
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Chemistry, 24.06.2019 03:30
Familiar solutions can have a wide range of ph levels. according to the chart, which is the strongest acid, based on its ph level? lemon juice has approximately how many more times the h+ ions than tomato juice? which has the highest concentration of h+ ions: baking soda, ammonia, or bleach?
Answers: 3
How many liters of salt solution would be needed to provide 40.0 grams of salt if the concentration...
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