Chemistry, 13.10.2020 05:01, kathrynway5955
Ms. Lewis is a chemist micing two solutions together. A chemical reaction takes place, and the solution becomes warm. Which statement best describes what has happened?
O Energy has been created in the form of thermal energy.
O Energy has been transformed from one form to another
More energy has been created than has been destroyed.
a The chemical energy of the solution has been destroyed.
Answers: 2
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Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o sncl2•4h2o sncl2•6h2o
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Listenbase your answer to the question on the information below. nuclear radiation is harmful to living cells, particularly to fast-growing cells, such as cancer cells and blood cells. an external beam of the radiation emitted from a radioisotope can be directed on a small area of a person to destroy cancer cells within the body. cobalt-60 is an artificially produced radioisotope that emits gamma rays and beta particles. one hospital keeps a 100.0-gram sample of cobalt-60 in an appropriate, secure storage container for future cancer treatment. which choice represents the correct product for the beta decay of the co-60? fe-60ni-60fe-61ni-61
Answers: 2
Ms. Lewis is a chemist micing two solutions together. A chemical reaction takes place, and the solut...
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