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Chemistry, 22.06.2019 09:00
Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent
Answers: 1
Chemistry, 23.06.2019 07:10
1) a light bulb takes in 30 of energy per second. it transfers 3j as use energy. calculate the efficiency. second. it transfers 3j as useful light energy and 27j as heat energy. calculate the efficiency
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Chemistry, 23.06.2019 10:30
Silver is a white metal that is an excellent conductor. silver tarnishes when exposed to air and light. the density of silver is 10.49 g/cm3. the melting point is 962oc and the boiling point is 2000oc. a chemical property of silver is
Answers: 3
Chemistry, 23.06.2019 11:00
Which example is a mechanical wave? a.microwave b.radio wave c.water wave d.ultraviolet light
Answers: 1
Below are two chemical reactions .
In the Sketchpad below, express these two chemical reactions as...
Mathematics, 14.10.2019 04:30
English, 14.10.2019 04:30
Mathematics, 14.10.2019 04:30
English, 14.10.2019 04:30
Mathematics, 14.10.2019 04:30
Mathematics, 14.10.2019 04:30
Mathematics, 14.10.2019 04:30
Mathematics, 14.10.2019 04:30