Chemistry, 28.06.2019 22:30 valereeolivarez56
Which phrase best describes heat? a. the energy that an object has as a result of its temperature b. the average translational kinetic energy of the particles in an object c. the energy transferred between objects at different temperatures d. the total amount of energy possessed by the particles in an object
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Chemistry, 22.06.2019 19:00
How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next
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Chemistry, 23.06.2019 14:00
[07.06] which of the following chemical reactions is an oxidation-reduction reaction? (2 points) wo3 + 3h2 yields w + 3h2o kno3 + licl yields lino3 + kcl caso4 + 2nacl yields na2so4 + cacl2 mg(no3)2 + 2hbr yields mgbr2 + 2hno3
Answers: 1
Chemistry, 23.06.2019 15:00
Food can lose electrons to air. this loss of electrons can create free radicals that destroy chemical bonds, hence spoiling the food. which term describes this process?
Answers: 1
Which phrase best describes heat? a. the energy that an object has as a result of its temperature...
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