Chemistry, 29.04.2021 21:40 eboniwiley
1) How much energy is released if 161 g of mercury is cooled from 85°C to 0°C? CHg=0.138 J/g oC 2) How much energy, in J, is required to raise the temperature of 123.4g of aluminum metal from 3.0 oC to 31.6 oC? CAl= 0.900 J/g oC
Answers: 3
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The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll
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Calculate the standard enthalpy of formation of liquid methanol, ch3oh(l), using the following information: c(graphite) + o2 latex: \longrightarrow ⟶ co2(g) latex: \delta δ h° = –393.5 kj/mol h2(g) + o2 latex: \longrightarrow ⟶ h2o(l) latex: \delta δ h° = –285.8 kj/mol ch3oh(l) + o2(g) latex: \longrightarrow ⟶ co2(g) + 2h2o(l) latex: \delta δ h° = –726.4 kj/mol
Answers: 3
1) How much energy is released if 161 g of mercury is cooled from 85°C to 0°C? CHg=0.138 J/g oC
2)...
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