Chemistry, 21.07.2019 00:00 xxYingxYangxx7311
Study the following two reactions. select all that apply. c(graphite) + o2(g) → co2(g) + 94.05 kcal c(diamond) + o2(g) → co2(g) + 94.50 kcal what could you infer from the information given above? a the enthalpy of co2 is greater than the reactants. b e2 - e1 is negative. c graphite and diamond have equal enthalpy. d diamond must have lower internal energy.
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Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?
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Draw the lewis structure for the trisulfur s3 molecule. be sure to include all resonance structures that satisfy the octet rule.
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Scientists often deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each of these numbers in an alternate form.
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Chemistry, 23.06.2019 08:30
Of element x has 22 protons, how many electrons does it have
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Study the following two reactions. select all that apply. c(graphite) + o2(g) → co2(g) + 94.05 kcal...
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