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Shen just bought a refrigerator for $730.? Argon makes up 0.93% of our atmosphere. If the atmospheric pressure is 760mmHg what is the pressure contributed by argon ? How many grams of Potassium chromate must be used to make a 3.75 M solution when 1.2 liters of water is used? For what values of A 20cm long tube has an inner diameter of 0.85cm and an outer diameter of 1.10cm. Find its electric resistance when used lengthwise
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