Question 5 (2 points)
(02.01 MC)
Which mixture of solids can be separated by using both magn...
Chemistry, 29.10.2021 04:40 andersonemma2222
Question 5 (2 points)
(02.01 MC)
Which mixture of solids can be separated by using both magnetic attraction and color? (2 points)
O a
Iron beads and candies
Oь
Pepper and salt
O c
Sand and sugar
Od
Strawberry and melon
Question 6 (2 points)
(02.01 MC)
Answers: 3
Chemistry, 21.06.2019 21:30, alexandroperez13
It takes 945.kj/mol to break a nitrogen-nitrogen triple bond. calculate the maximum wavelength of light for which a nitrogen-nitrogen triple bond could be broken by absorbing a single photon.
Answers: 3
Chemistry, 22.06.2019 06:40, CylieTbh
Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.
Answers: 3
Chemistry, 22.06.2019 19:00, innocentman69
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
Answers: 1
Chemistry, 22.06.2019 21:30, jpimentel2021
Under which circumstances are kp and kc equal for the reaction aa(g)+bb(g)⇌cc(g)+dd(g)?
Answers: 2
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