Chemistry, 01.10.2019 20:10 breezer20042
1) in this experiment, what property of nacl is used to separate it from the other two components? is this a chemical or physical property?
2) in this experiment, what property of caco3 is used to separate it from sio2? is this a chemical or physical property?
3) explain what the effect on the percentage of each component would be if the student did not fully dry the evaporating dish after step 7.
effect on salt:
effect on sand:
effect on chalk:
Answers: 1
Chemistry, 22.06.2019 16:30, Eddie997
For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.
Answers: 2
Chemistry, 22.06.2019 17:00, smelcher3900
According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.
Answers: 2
Chemistry, 23.06.2019 01:00, Alysssssssssssa
Which statement best describes isomers? a. isomers are alcohols that have the same functional group. b. isomers have at least one carbon-carbon double bond. c. isomers have the same molecular formula but different structural properties.
Answers: 1
1) in this experiment, what property of nacl is used to separate it from the other two components?...
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