Chemistry, 15.01.2020 12:31 vicada2782
If 250.0 g of water at 30.0 °c cool to 5.0 °c, how many kilojoules of energy did the water lose?
Answers: 3
Chemistry, 22.06.2019 16:30
At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?
Answers: 1
Chemistry, 23.06.2019 11:00
Just on number 2 (all parts), and if you do answer explain in detail
Answers: 3
Chemistry, 23.06.2019 11:40
Which of the following observations indicates that an atom has neutrons? some uncharged particles are scattered by a beryllium atom when it hits a gold foil. some uncharged particles bounce back from a gold foil when it is bombarded with alpha particles. a radiation consisting of uncharged particles is emitted when alpha particles strike beryllium atoms. a radiation which attracts electrons is produced when a beryllium atom is bombarded with alpha particles.
Answers: 2
If 250.0 g of water at 30.0 °c cool to 5.0 °c, how many kilojoules of energy did the water lose?...
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