Chemistry, 08.12.2020 20:10 sunshine52577oyeor9
There is an acid that smells like sweaty socks. When alcohol is added to it and the mixture is heated, no change is visible, but a new odor of sweet apples fills the room. Which of the following is the best explanation for this observation? A. a chemical change has taken place and no new substance was produced. B. a physical change has taken place and no new substance was produced. C.a chemical change has taken place and a new substance was produced. D. a physical change has taken place and a new substance was produced.
Answers: 3
Chemistry, 22.06.2019 04:00
The rules of engagement (roe) working group is often used to (select all that apply.)
Answers: 2
Chemistry, 22.06.2019 10:10
For the reaction, 4 a(g) + 3 b(g) => 2 c(g), the following data were obtained at constant temperature. experiment initial[a],mol/l initial [b],mol/l initial rate,m/min 1 0.200 0.150 5.00 2 0.400 0.150 10.0 3 0.200 0.300 10.0 4 0.400 0.300 20.0 which of the following is the correct rate law for the reaction? 1. rate = k[a]2[b]2 2. rate = k[a][b] 3. rate = k[a]2[b] 4. rate = k[a][b]2
Answers: 3
Chemistry, 22.06.2019 11:40
Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.
Answers: 3
Chemistry, 22.06.2019 14:00
What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?
Answers: 3
There is an acid that smells like sweaty socks. When alcohol is added to it and the mixture is heate...
Chemistry, 16.02.2021 01:10
English, 16.02.2021 01:10
Mathematics, 16.02.2021 01:10
Chemistry, 16.02.2021 01:10
English, 16.02.2021 01:10
History, 16.02.2021 01:10
Mathematics, 16.02.2021 01:20
Mathematics, 16.02.2021 01:20
English, 16.02.2021 01:20
Health, 16.02.2021 01:20
Mathematics, 16.02.2021 01:20
Biology, 16.02.2021 01:20
Computers and Technology, 16.02.2021 01:20