Chemistry, 01.02.2021 22:20 jonathanmagana112002
Which of the following could cause a physical change in a solid piece of sodium metal?
A exposing it to chlorine gas B. hitting it with a hammer
C. putting it in water
D. dissolving in acid
Answers: 3
Chemistry, 21.06.2019 21:30
Calculate the h3o+ concentration in a solution of acetic acid if the concentration of molecular acetic acid present at equilibrium is 9.97x10^-3 m and k for the dissociation is 1.86x10^-5. ch3cooh(aq)+h2o(> h3o^+(aq)+ch3coo^-(aq)
Answers: 2
Chemistry, 22.06.2019 00:30
This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.
Answers: 2
Chemistry, 22.06.2019 06:00
One of the few xenon compounds that form is cesium xenon heptafluoride (csxef7). how many moles of csxef7 can be produced from the reaction of 13.0 mol cesium fluoride with 12.5 mol xenon hexafluoride? csf(s) + xef6(s) csxef7(s)
Answers: 1
Chemistry, 22.06.2019 08:30
In the reaction between a crushed antacid tablet and vinegar what gas is emitted
Answers: 2
Which of the following could cause a physical change in a solid piece of sodium metal?
A exposing i...
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