=
Which particle has a positive electric charge?
proton
quark
electron
...
Answers: 1
Chemistry, 21.06.2019 19:00, thebrain1345
Plz me get these answer dubble cheak ur answer plz ppl i need it right
Answers: 2
Chemistry, 22.06.2019 12:00, sophiaa23
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
Chemistry, 22.06.2019 18:00, rodriguezscarlet1713
Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?
Answers: 2
Social Studies, 17.03.2020 04:28
Arts, 17.03.2020 04:28
Computers and Technology, 17.03.2020 04:28
Social Studies, 17.03.2020 04:28
English, 17.03.2020 04:28