A.) wax
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How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same
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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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Water undergoes a large change in density at 0 ∘ c as it freezes to form ice. calculate the percent change in density that occurs when liquid water freezes to ice at 0 ∘ c given that
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Which material can best be used to cast a footwear or tire impression?
A.) wax
A.) wax
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