03/28/19

Calculate for the reaction
Calculate ∆H for the reactionC(diamond) → C(graphite)given the following data: Equation∆H C(diamond) + O2(g) → CO2(g) -395.4 kJ C(graphite) + O2(g) → CO2(g) -393.5 kJ ∆H =  kJ
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03/14/19

What is the general chemical equation for photosynthesis? Why doesn't this equation clearly show the real origin of the molecular oxygen released?
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03/14/19

If the oxygen in the atmosphere is always replenished by plants, how do the other contents of air get replenished?
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03/14/19

Nucleic acids are polymers composed of nucleotides; RNA is deoxyribonucleic acid, DNA is ribonucleic acid. True or False
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