Design a portable, 1-time-use hot pack and a 1-time-use cold pack for treating injuries. The pack must have 100 g of water separated from a solid chemical and be activated only when the user does something to the pack to mix the 2 components. Your job is to determine how many grams of the chemical are required to achieve the following temperatures: hot pack, 55° C (131° F); cold pack, 3° C (37° F). Provide a proposal that includes a visual model of your design, calculations to support your proposal, and a CER that will provide an explanation behind your design.
Answers: 3
Chemistry, 21.06.2019 16:40
Which of the following is a testable hypothesis? a. if i brush my teeth, i will get fewer cavities than if i don't brush my teeth. b. green toothpaste tastes better than blue toothpaste or red toothpaste. c. smart, careful, healthy people always brush their teeth. d. it's wrong to not brush your teeth before you have an important conversation with someone.
Answers: 1
Chemistry, 22.06.2019 11:40
Enzymes affect the reactions in living cells by changing the
Answers: 3
Chemistry, 22.06.2019 13:20
Can someone me with 3 and 4 plz. this is for masteries test.
Answers: 2
Design a portable, 1-time-use hot pack and a 1-time-use cold pack for treating injuries. The pack mu...
Mathematics, 12.02.2020 05:44
Physics, 12.02.2020 05:44
Mathematics, 12.02.2020 05:44
English, 12.02.2020 05:44
Mathematics, 12.02.2020 05:44
English, 12.02.2020 05:44
Chemistry, 12.02.2020 05:44
Health, 12.02.2020 05:44
Mathematics, 12.02.2020 05:45