Chemistry, 12.01.2021 21:20 chitteshchandra56
You are lighting a fire. Your match weighs 2 grams before you light it. After burning the match is 0.5 grams. Assuming the smoke while it's burning is PURE CARBON, how many atoms of carbon were lost in the smoke?
Answers: 2
Chemistry, 21.06.2019 20:10, CauseWhyNot6235
What can be added to the examples section of each circle? endothermic: ice melting into water, and a heat pack becoming warm exothermic: a glow stick glowing, and fireworks exploding endothermic: ice melting into water, and an instant ice pack turning cold exothermic: fireworks exploding, and gasoline burning endothermic: a glow stick glowing, and a heat pack becoming warm exothermic: an instant ice pack turning cold, and ice melting into water endothermic: gasoline burning, and an instant ice pack turning cold exothermic: ice melting into water, and an instant ice pack turning cold
Answers: 1
Chemistry, 22.06.2019 00:30, lasagnafoe
Used the balanced equation 2h2+ o2 - -> 2h2o. if you have 7.2 grams of o2 , how many grams of h2o can you produce ?
Answers: 2
You are lighting a fire. Your match weighs 2 grams before you light it. After burning the match is 0...
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