Chemistry, 30.04.2021 01:50 sundayrider101
Find the mass of a sample of water if its temperature dropped 24.8°C
when it lost 870 J of heat. Hint. Which formula are you going to use? See
interactive PPT. Don't forget the unit. Show your work.
How much heat is required to warm a 135g cup of water from 15 °C to
35°C? Hint: the water is in a cup so what state of matter and specific heat?
Show your work.
Answers: 3
Chemistry, 21.06.2019 20:30
10. translate each of the following chemical equations into a sentence. a. 2 zns(s) + 3 o2(g) -> 2 zno(s) + 2 so2(g) b. cah2(s) + 2 h2o(l) -> ca(oh)2 (aq) + 2 h2(g)
Answers: 2
Chemistry, 22.06.2019 09:30
Which formula can be used to calculate the molar mass of hydrogen peroxide
Answers: 1
Chemistry, 22.06.2019 12:00
Give the set of reactants (including an alkyl halide and a nucleophile) that could be used to synthesize the following ether: draw the molecules on the canvas by choosing buttons from the tools (for bonds and charges), atoms, and templates toolbars, including charges where needed. ch3ch2och2ch2chch3 | ch3
Answers: 1
Chemistry, 22.06.2019 12:30
The melting point of sulfur is 115 °c and its boiling point is 445 °c. what state would sulfur be in at 200 °c?
Answers: 1
Find the mass of a sample of water if its temperature dropped 24.8°C
when it lost 870 J of heat. H...
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