Chemistry, 28.01.2020 08:31 paatnguyyen
Which statement best describes how two hydrogen atoms combine to form molecular hydrogen (h2)?
a. two neutral hydrogen atoms share electrons in a covalent bond.
b. a positively charged hydrogen ion and a negatively charged hydrogen ion form an covalent bond.
c. a positively charged hydrogen ion and a positively charged hydrogen ion form an ionic bond.
d. a positively charged hydrogen ion and a negatively charged hydrogen ion form an ionic bond.
Answers: 1
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Acontainer holds 35.8 moles of gas under 10.0 atm of pressure at 70.0 c. what is the volume of the container?
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Ethanol (c2h5oh) is produced from the fermentation of sucrose in the presence of enzymes. c12h22o11(aq) + h2o(g) 4 c2h5oh(l) + 4 co2(g) determine the theoretical yield and the percent yields of ethanol if 680. g sucrose undergoes fermentation and 326.5 g ethanol is obtained. theoretical _ g _ percent %
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Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.
Answers: 3
Which statement best describes how two hydrogen atoms combine to form molecular hydrogen (h2)?
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