Chemistry, 31.12.2019 19:31, mareiashanti002
When wood is burned, energy is released in the form of heat and light. describe the reaction, and explain why this reaction does not violate the law of conservation of energy. use the terms combustion, exothermic, and chemical energy.
Answers: 3
Chemistry, 22.06.2019 03:00, HHHHHHHHHMMMMMMMMM
About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question
Answers: 1
Chemistry, 22.06.2019 04:40, khan2491
Silver tarnishes as silver metal reacts with hydrogen sulfide, h2s, in the air. in this reaction, dark silver sulfide, au2s, covers the surface of silver. when silver is polished, this coating of silver sulfide can be removed from the surface. this makes the silver shiny again. enter the coefficients that balance the tarnishing reaction equation. (type 1 for no coefficient.)
Answers: 2
Chemistry, 22.06.2019 16:10, nauticatyson9
Given the following equation: 2a1 + 3mgcl2 --> 2alcl3 + 3mg how many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride?
Answers: 1
When wood is burned, energy is released in the form of heat and light. describe the reaction, and ex...
Mathematics, 31.01.2021 19:40
Mathematics, 31.01.2021 19:40
Mathematics, 31.01.2021 19:40