When someone is injured, responding medical personnel may use either hot packs or cold packs to treat the
injuries. These are examples of miniature chemical reactions. Using hot packs and cold packs as an example,
explain the terms endothermic reaction and exothermic reaction.
(make sure to include absorption and release of energy.)
how they relate to hot and cold packs is important to mention too. don't make it seem like it was copied and pasted please.
Answers: 2
Chemistry, 21.06.2019 22:30
Ibeg i need 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?
Answers: 1
Chemistry, 22.06.2019 04:00
Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?
Answers: 3
Chemistry, 22.06.2019 19:20
15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.
Answers: 1
Chemistry, 23.06.2019 06:50
Organisms are classified as producer or consumers according to the way they ?
Answers: 1
When someone is injured, responding medical personnel may use either hot packs or cold packs to trea...
History, 16.12.2021 07:30
Mathematics, 16.12.2021 07:30
Advanced Placement (AP), 16.12.2021 07:30
English, 16.12.2021 07:30
Mathematics, 16.12.2021 07:30
English, 16.12.2021 07:30
Mathematics, 16.12.2021 07:30
Mathematics, 16.12.2021 07:30
Mathematics, 16.12.2021 07:30
Mathematics, 16.12.2021 07:30