Chemistry, 18.12.2019 12:31 13albrad

In class 1500 students 1200 present find absent percentage

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Chemistry, 22.06.2019 10:00, halohero7

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?

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Chemistry, 22.06.2019 19:30, toriabrocks

If 16.00g of hydrogen gas reacts with 126.73g of oxygen, how many grams of water are yielded? (both reactants are completely consumed in the reaction.)

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Chemistry, 23.06.2019 02:00, Turtlelover05

Pinene is an unsaturated hydrocarbon found in pine resin. if pinene has m+ = 136 and contains 1 double bond(s) and 2 ring(s); what is its molecular formula? enter the formula in the form ch first, then all other atoms in alphabetical order; do not use subscripts. the formula is case-sensitive

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Chemistry, 23.06.2019 06:30, fshane7705

The velocity of any object depends upon a) the location of the object. b) the location of the observer. c) which measurement tools are used. d) the relative motion of the observer.

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In class 1500 students 1200 present find absent percentage...