Chemistry, 09.01.2021 06:10 Studyhard4706
Hydrogen and oxygen combine in the ratio of 1:8 by mass to form water. How many grams of hydrogen are needed to react completely with 6.4 g of oxygen gas? Show complete working. Which law of chemical combination will govern your answer? Write the law.
Answers: 3
Chemistry, 23.06.2019 00:30, Keemdadream13
If there are 3.5 moles of koh, how many moles of naoh can be produced? question 1 options: a)3.0 moles naoh b)3.5 moles naoh c)1 moles naoh d)9 moles naoh
Answers: 1
Chemistry, 23.06.2019 03:30, nikkio4
In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus. b) the number of neutrons it contains in its nucleus. c) the number of protons it has in a cloud around the nucleus. d) the number of neutrons it has in a cloud around the nucleus. e) the number of electrons it exchanges with its neighbors.
Answers: 1
Chemistry, 23.06.2019 05:00, skylarjohnson2683
Match the term to its description match term definition chemical energy a) internal energy caused by vibrations of atoms and molecules electrical energy b) electromagnetic energy that travels in waves radiant energy c) the movement of an electrical charge thermal energy d) potential energy stored in the bonds between atoms
Answers: 1
Hydrogen and oxygen combine in the ratio of 1:8 by mass to form water. How many grams of hydrogen ar...
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