What is the density of an block of salt having a mass of 8.0 g and a volume of 25 cm3?
a. 200...
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Which description best characterizes the motion of particles in a solid?
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Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?
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