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A substance requires 335 J of heat to raise the temperature from 19 oC to 60 oC. If the mass of the substance is 15 g, what is the specific heat of the substance?
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Suppose the universe were completely empty except for one object-a solid sphere moving through space of 100 km/s. what sort of path would the object be moving in? explain your answer
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If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?
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Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %
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Which of the following is the molecular formula for a simple sugar? a. cooh b. h2o c. oh d. c6h12o6
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