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Why is it important for an art conservation scientists to study the properties of a painting before it is repaired
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Cucl2 + 2nano3 cu(no3)2 + 2nacl what is the percent yield of nacl if 31.0 g of cucl2 reacts with excess nano3 to produce 21.2 g of nacl? 49.7% 58.4% 63.6% 78.7%
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Which change to the system wood cause the freely-moving piston to lower?
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What must be in balance for temperatures to remain constant?
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Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas
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