Chemistry, 16.11.2020 19:50, mrashrafkotkaat
Which of the following is an example of a chemical change? *
A Nitrogen and oxygen mix to form air
Salt dissolves in a glass of water
Hydrogen and oxygen to form water
a solid changes to a liquid
Answers: 3
Chemistry, 22.06.2019 00:40, btcastongia
Which is a difference between molecular compounds and ionic compounds? select the correct answer below: question 5 options: molecular compounds typically form between a metal and a nonmetal, while ionic compounds typically form between nonmetals. molecular compounds result from the transfer of electrons between atoms to form ions, while ionic compounds result from the sharing of electrons between neutral atoms. molecular compounds are formed of discrete, neutral molecules, while ionic compounds are formed of large repeating arrays of opposite charges. molecular compounds have high melting points and high boiling points, while ionic
Answers: 3
Chemistry, 22.06.2019 12:30, kaliyab191
Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?
Answers: 2
Which of the following is an example of a chemical change? *
A Nitrogen and oxygen mix to form air<...
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