Chemistry, 17.07.2019 01:30 tiffxnnyyy
What is the change in enthalpy for the following reaction? 2h2o2(aq) 2h2o(l) + o2(g) given: h2o: ∆h= -242 kj h2o2: ∆h= -609 kj
Answers: 2
Chemistry, 22.06.2019 10:30
Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
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Chemistry, 22.06.2019 19:30
Which liquid (h2o, h2o + soap, or h2o + salt) has the strongest cohesion and adhesion? (need now plz)
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Chemistry, 22.06.2019 23:40
What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.
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Chemistry, 23.06.2019 00:50
Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.
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What is the change in enthalpy for the following reaction? 2h2o2(aq) 2h2o(l) + o2(g) given: h2o:...
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