Chemistry, 24.07.2019 17:40, zaynmaliky4748
Need 1. decide whether each of these reactions is exothermic or endothermic: a. when two chemicals mix their temperature rises: b. a solid burns brightly and releases heat, light and sound: c. when two chemicals are mixed their temperature drops: d. two chemicals will only react if you heat them continually: e. plants take in light energy for photosynthesis: 2. 4 fe = 3o2 → 2 fe2o3 is this equation balanced? yes / no, explain why 3. which chemical equation is balanced? 2na + cl2 → 2nacl na + 2cl2 → 2nacl 2na + 2cl2 → 2nacl na + cl2 → nacl 4. list four signs of a chemical reaction.
Answers: 1
Chemistry, 22.06.2019 00:10, scottbrandon653
Think about how you can use le chatelier’s principle to find possible solutions to the design problem. describe at least two ways to increase the yield (amount) of ammonia based on this principle.
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Chemistry, 22.06.2019 02:10, fvmousdiana
Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %
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Chemistry, 22.06.2019 06:00, mapoohdoll
How much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar
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Need 1. decide whether each of these reactions is exothermic or endothermic: a. when two chemical...
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