Chemistry, 27.01.2021 21:50 xxcynthistxx
PLSS HELP! The gas carbon dioxide is a pure substance. Which of the following is true about carbon dioxide? (4 points)
a. Carbon and oxygen are chemically bonded in it.
b. Carbon and oxygen retain their original identity in it.
c. It can be separated into carbon and oxygen using physical methods.
d. The proportion of carbon and oxygen is different in different samples of the gas.
Answers: 3
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The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 β naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams
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Using the thermodynamic information in the aleks data tab, calculate the standard reaction free energy of the following chemical reaction: β+p4o10s6h2ol4h3po4s round your answer to zero decimal places.
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PLSS HELP! The gas carbon dioxide is a pure substance. Which of the following is true about carbon d...
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