Me with these three
some of the newest types of modern appliances are 100% efficient and lose...
Chemistry, 22.08.2019 04:00 DnakMeme6e7272727272
Me with these three
some of the newest types of modern appliances are 100% efficient and lose no energy to heat.
true
false
a perpetual motion machine is an invention that has only worked a few times in history.
true
false
thermal pollution occurs when factories use water to cool down their heated machinery, and then release the heated water into rivers and oceans.
true
false
Answers: 2
Chemistry, 22.06.2019 12:00
What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients
Answers: 1
Chemistry, 22.06.2019 14:00
What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
Answers: 2
Chemistry, 23.06.2019 00:00
Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3
Answers: 3
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