Given the equation S(s) + O2(g) → SO2(g), ΔH = –296 kJ, which of the following statement(s) is (are) true? I. The reaction is exothermic. II. When 0.500 mole sulfur is reacted, 148 kJ of energy is released. III. When 32.0 g of sulfur are burned, 2.96 × 105 J of energy is released.
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Chemistry, 22.06.2019 12:00
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
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Chemistry, 23.06.2019 02:20
Which of the following will cause an increase in the acceleration of an object? increase force decrease force increase mass decrease mass
Answers: 1
Chemistry, 23.06.2019 06:00
Complete the sentences to best explain the ranking.match the words below to the appropriate blanks in the sentences.a less polar bondhigher molar massion-dipole forcesstronger intermolecular forcesdipole-dipole forcesdispersion forceshydrogen bonding1. h2s and h2se exhibit the following intermolecular forces:.2. therefore, when comparing h2s and h2se the one with a has a higher boiling point .3. the strongest intermolecular force exhibited by h2o is . therefore, when comparing h2se and h2o the one with has a higher boiling point.
Answers: 1
Given the equation S(s) + O2(g) → SO2(g), ΔH = –296 kJ, which of the following statement(s) is (are)...
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