Chemistry, 20.05.2021 17:50 abagailb03
You have been given two unmarked containers. In one is a sample of salt water and in the other a sample of fresh water. You are asked to identify which is which, without tasting them. Explain the procedure you would use to do this. (Iโm in 8th grade and this is science)
Answers: 3
Chemistry, 22.06.2019 23:30
With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals
Answers: 3
Chemistry, 23.06.2019 01:40
Calcium carbonate decomposes at high temperatures to give calcium oxide and carbon dioxide as shown below. caco3(s) cao(s) + co2(g) the kp for this reaction is 1.16 at 800ยฐc. a 5.00 l vessel containing 10.0 g of caco3(s) was evacuated to remove the air, sealed, and then heated to 800ยฐc. ignoring the volume occupied by the solid, what will be the mass of the solid in the vessel once equilibrium is reached?
Answers: 1
Chemistry, 23.06.2019 08:00
Why is it important for scientists to review and repeat the work of other scientists? 1.a scientific theory must be tested three times before it is proven. 2.the scientific method only applies to repeated experiments. 3.an experiment may have had errors that the scientists didn't recognize. 4.the results of individual scientists may be influenced by bias. 5.an experiment must be performed twice before the data can be analyzed.
Answers: 3
Chemistry, 23.06.2019 08:00
Amechanical wave that transports a lot of energy will have a
Answers: 2
You have been given two unmarked containers. In one is a sample of salt water and in the other a sam...
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