Chemistry, 15.11.2019 23:31 coolasslimm
Which of the following chemical equations is unbalanced? a. 2c + h2 ch4 b. 2al2o3 4al + 3o2 c. 2h2o2 2h2o + o2 d. 2c2h6 + 7o2 4co2 + 6h2o
Answers: 1
Chemistry, 22.06.2019 04:30
This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?
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Chemistry, 22.06.2019 09:30
In apex! a liquid heated beyond a certain temperature becomes
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Chemistry, 22.06.2019 10:00
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
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Chemistry, 23.06.2019 05:30
Suppose you discovered a new element with 120 protons and 2 electrons in its outer level . i'm what group does this new element belong? what properties would you expect it to have
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Which of the following chemical equations is unbalanced? a. 2c + h2 ch4 b. 2al2o3 4al + 3o2 c. 2h2o...
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