History, 15.04.2021 17:50, Kataklusmos
A chemical reaction takes place in a closed system. The mass of the reactants before the reaction was 35 grams. What must
the mass of the products of the reaction be, according to the law of conservation of mass?
25 grams
30 grams
35 grams
70 grams
Answers: 2
History, 21.06.2019 17:30, zamorano2339
Which of the following governments is the most unrealistic for the people the dynasty government the confucian government the mauryan government he legalistic government
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History, 21.06.2019 23:30, brandonkelly104
What caused the comanche kiowa raiding? a. gadsden purchase b. battle of alamo c. bear flag revolt d. settlement of texas
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History, 21.06.2019 23:30, cameronrandom00
Which sentence best explains how steam power changed agriculture in england between 1810 and 1850? a. farmers started using steam-powered machines to spray chemical fertilizers and pesticides. b. livestock farmers began using steam-powered machines to milk cattle and shear sheep. c. steam-powered railways transport and sell agricultural produce far from where it was grown. d. steamships to transport large numbers of people from the united states to english farms.
Answers: 2
A chemical reaction takes place in a closed system. The mass of the reactants before the reaction wa...
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