Chemistry, 30.10.2019 06:31 WritingStar1313
011 1.0 points what energy change is associated with the reaction to obtain one mole of h2 from one wang (ew22622) β 19d thermodynamics: first law β ozuna β (92127) 3 mole of water vapor? the balanced equation is 2 h2o(g) β 2 h2(g) + o2(g) and the relevant bond energies are h h : 436 kj/mol; h o : 467 kj/mol; o o : 146 kj/mol; o o : 498 kj/mol. 1. β436 kj 2. +249 kj 3. β425 kj 4. +425 kj
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Smog is the term used to describe the combination of fog and smoke
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56.16 gregor mendel was the first scientist to use statistics to analyze scientific data. before mendel's experiments, scientists believed that organisms acquired traits from their environment and passed them on to their offspring. after mendel's discoveries were accepted, scientists realized that traits passed to offspring were the result of genes being passed from parents to offspring. this is an example of pls
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Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
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Which three statements represent the benefits of performing experiments using computer simulations?
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011 1.0 points what energy change is associated with the reaction to obtain one mole of h2 from one...
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