Chemistry, 19.09.2019 20:30 ajbrock1004
1) 1.24 x 10^3 + 1.564 x 10^1
2) 5.8 x 10^3 - 3.156 x 10^2
3) 1.24 x 10^8 / 2.87 x 10^4
4) 8.513 x 10^6 x 5.45 x 10^7
5) 1.24 x 10^3 x 33000
6) 4 x 10^3 + 7.65 x 10^4
7) 1000 + 3.156 x 10^5
8) 5.42 x 10^2 + 3 x 10^5
Answers: 1
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Motivation cannot be developed with practice; a person either possesses it or they do not.
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Chemistry, 22.06.2019 00:30
Butadiene undergoes a reaction at a certain temperature in the gas phase as follows: 2c4h6(g) --> c8h12(g) the following data were collected for this reaction: time (min) [c4h6] (m) 0 0.36 15 0.30 30 0.25 48 0.19 75 0. determine the order of the reaction and the rate constant. 1st order and k = 4.3x10 -4 s-1 1st order and k = 2.3x10-4 s-1 2nd order and k = 4.3x10-4 s-1 2nd order and k = 2.3x10-4 s-1 zero and k = 4.3x10-4 s-1
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Chemistry, 22.06.2019 01:00
Which statement correctly describes potassium iodide, ki? there is a one-to-one ratio of potassium ions to iodide ions. potassium gains electrons and iodine loses electrons during the reaction. the lattice is held together by potassium anions and iodide cations.
Answers: 1
Chemistry, 22.06.2019 22:30
Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt
Answers: 1
1) 1.24 x 10^3 + 1.564 x 10^1
2) 5.8 x 10^3 - 3.156 x 10^2
3) 1.24 x 10^8 / 2.87 x 10^4<...
2) 5.8 x 10^3 - 3.156 x 10^2
3) 1.24 x 10^8 / 2.87 x 10^4<...
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