Chemistry, 25.08.2019 01:30 pooooooooyp4286
The reaction p4 + 5o2 → p4o10 + 712 kcal is exothermic. true false
Answers: 2
Chemistry, 21.06.2019 14:20
Calculate the enthalpy of the following reaction: 4 b (s) + 3 o2 (g) → 2 b2o3 (s) given the following pertinent information: (a) b2o3 (s) + 3 h2o (g) → 3 o2 (g) + b2h6 (g), δhoa = +2035 kj (b) 2 b (s) + 3 h2 (g) → b2h6 (g), δhob = +36 kj (c) h2 (g) + latex: \frac{1}{2} 1 2 o2 (g) → h2o (l), δhoc = −285 kj (d) h2o (l) → h2o (g), δhod = +44 kj
Answers: 3
Chemistry, 22.06.2019 16:00
Answer asap : ( a. how does mucus prevent the entry of pathogens? b. describe two ways white blood cells protect us from pathogens.
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Chemistry, 23.06.2019 06:30
Moving force of air flows from areas of high pressure to areas of low pressure true or false
Answers: 2
The reaction p4 + 5o2 → p4o10 + 712 kcal is exothermic. true false...
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