Chemistry, 20.08.2019 12:50 jesicaagan
The temperature of a sample of water changes from 10°c to 20°c when the sample absorbs 418 joules of heat. what is the mass of the sample?
(1) 1 g (3) 100 g
(2) 10 g (4) 1000
Answers: 1
Chemistry, 22.06.2019 19:00
What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-
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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
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Chemistry, 23.06.2019 12:50
Which of these describes the rate of this chemical reaction? h2 + cl2 → 2 hcl a. an increase in the concentration of hcl and h2 with time b. an increase in the concentration of hcl with time c. an increase in h2 and cl2 with time d. a decrease in hcl and cl2 with time
Answers: 1
Chemistry, 23.06.2019 23:00
In the chemical formula 3h2 identify the subscript identify the coefficient how many atoms of hydrogen are present
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