Chemistry, 29.09.2020 15:01 unknown9263
A student wants to examine a substance without altering its composition. Which of the following describes a property of the substance that the student should examine?
Toxicity, because it can be observed by altering the state of the substance
Boiling point, because it can be observed by altering the state of the substance
Toxicity, because it can be observed by replacing the atoms of the substance with new atoms
Boiling point, because it can be observed by replacing the atoms of the substance with new atoms
Answers: 2
Chemistry, 21.06.2019 19:30
Complete the following reactions using word and balanced equations including states. dilute phosphoric acid is added with a calcium hydroxide solution.
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Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table
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Chemistry, 22.06.2019 16:10
Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.
Answers: 1
Chemistry, 22.06.2019 16:50
Which element is least likely to undergo a chemical reaction
Answers: 3
A student wants to examine a substance without altering its composition. Which of the following desc...
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