Chemistry, 06.10.2019 11:30 SAMANTHA1982
Cold packs are used to treat minor injuries. some cold packs contain nh4no3(s) and a small packet of water at room temperature before activation. to activate this type of cold pack, the small packet must be broken to mix the water and nh4no3(s). the temperature of this mixture decreases to approximately 2°c and remains at this temperature for 10 to 15 minutes.
state the direction of heat flow that occurs when the activated cold pack is applied to the body.
identify both types of bonds in the nh4no3(s).
Answers: 1
Another question on Chemistry
Chemistry, 21.06.2019 21:30
Aphysical reaction is a process in which one or more reactants change into one or more products with different properties. select the best answer from the choices provided t f
Answers: 1
Chemistry, 22.06.2019 15:00
Many ionic compounds and a few highly polar covalent compounds are because they completely ionize in water to create a solution filled with charged ions that can conduct an electric current.
Answers: 1
Chemistry, 23.06.2019 01:30
In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i
Answers: 1
You know the right answer?
Cold packs are used to treat minor injuries. some cold packs contain nh4no3(s) and a small packet of...
Questions
World Languages, 18.01.2021 14:00
Computers and Technology, 18.01.2021 14:00
Social Studies, 18.01.2021 14:00
