Liz is exploring the different kinds of changes that can happen to substances.
Liz knows that changes can alter the looks or shape of a substance. Cutting, melting, bending, or crushing are examples of what kind of change?
Group of answer choices
reactant
product
physical
chemical
Answers: 2
Chemistry, 22.06.2019 18:30
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
Answers: 2
Chemistry, 22.06.2019 19:40
Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory
Answers: 3
Chemistry, 23.06.2019 02:00
What can be done to make a solid solute dissolve faster in a liquid solvent?
Answers: 1
Liz is exploring the different kinds of changes that can happen to substances.
Liz knows that chang...
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