Answers: 1
Chemistry, 21.06.2019 14:20
Calculate the enthalpy of the following reaction: 4 b (s) + 3 o2 (g) ā 2 b2o3 (s) given the following pertinent information: (a) b2o3 (s) + 3 h2o (g) ā 3 o2 (g) + b2h6 (g), Ī“hoa = +2035 kj (b) 2 b (s) + 3 h2 (g) ā b2h6 (g), Ī“hob = +36 kj (c) h2 (g) + latex: \frac{1}{2} 1 2 o2 (g) ā h2o (l), Ī“hoc = ā285 kj (d) h2o (l) ā h2o (g), Ī“hod = +44 kj
Answers: 3
Chemistry, 21.06.2019 21:00
Harvey kept a balloon with a volume of 348 milliliters at 25.0Ėc inside a freezer for a night. when he took it out, its new volume was 322 milliliters, but its pressure was the same. if the final temperature of the balloon is the same as the freezerās, what is the temperature of the freezer? the temperature of the freezer is kelvins.
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Chemistry, 21.06.2019 22:30
Ibeg i need 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?
Answers: 1
Chemistry, 22.06.2019 18:00
Heat is the total potential energy of a substance that can be transferred. true false
Answers: 1
Lithium has 2 naturally occurring isotopes 6Li (abundance 7%) and 7Li (abundance 93%). Calculate the...
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