Chemistry, 30.06.2019 05:30 tiffanibell71
Astudent asks why the ashes from a fire have a much lower mass than wood that was burned. which is the correct answer to the student questions? a. gases are released into the air b. atoms in the wood are destroyed c. heat causes molecules to lose density d. water inside the wood solidifies
Answers: 1
Chemistry, 22.06.2019 07:30
11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
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Chemistry, 22.06.2019 08:30
How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same
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Chemistry, 22.06.2019 09:00
Particles vibrate in a rigid structure and do not move relative to their neighbors.
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Chemistry, 22.06.2019 11:00
When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.
Answers: 1
Astudent asks why the ashes from a fire have a much lower mass than wood that was burned. which is t...
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