Chemistry, 19.09.2021 05:50 skateyo2553
the mass number us used to calculate the number of in one atom of an element. In order to calculate the number of neatrons you must subtract the from the
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Chemistry, 23.06.2019 05:30
Awhite powder is added to a solution. the images show observations made before the powder is added, just after the powder has been added, and a little while later. (the liquid in the small beaker is phenol red solution.) what evidence shows that a chemical change has taken place?
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Chemistry, 23.06.2019 07:30
Which statement explains which thermometer is more appropriate to measure the temperature of a liquid at 43.6 degrees celsius a) thermometer a, because it measures temperature more accurately than thermometer b b) thermometer b, because it measures temperature more accurately than thermometer a c) thermometer a, because it measures temperature more precisely than thermometer b d) thermometer b, because it measures temperature more precisely than thermometer a
Answers: 2
Chemistry, 23.06.2019 12:30
Is the genie in the bottle experiment a physical or chemical change/reaction?
Answers: 1
the mass number us used to calculate the number of in one atom of an element. In order to calculate...
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