Chemistry, 17.10.2021 22:20 cristinaarmijo1
a calculate the mass of Hydrogen in a barton 10m in diameter filled with hydrogen gas at a pressure of 180mmHg and a temperature of 27°C.
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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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a calculate the mass of Hydrogen in a barton 10m in diameter filled with hydrogen gas at a pressure...
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