Chemistry, 12.04.2021 01:00 arnold2619
Ben wants to test whether the material used to make a disposable cup affects the amount of thermal energy transferred to a person's hand. He investigates by carefully pouring the same volume of 90°C water into a foam cup and into a paper cup.
Which additional step in the investigation will help Ben determine which material reduces thermal energy (heat) transfer to the hand of a person holding the cup?
A. Stir the water in each cup for 10 minutes before measuring its temperature.
B. Measure the outside surface temperature of each cup after 10 minutes.
C. Vary the amount of water held by each cup before measuring its temperature.
Answers: 1
Chemistry, 21.06.2019 22:50
2. you__turn left on a red light if you are in the left-most lane of a one-way street, you're turning into the left-most lane of a one-way street, and no nearby sign prohibits the turn.
Answers: 2
Chemistry, 22.06.2019 05:50
Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3 -> a2cr(no3)3 + a3ag2so4
Answers: 1
Chemistry, 22.06.2019 07:00
6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space
Answers: 2
Chemistry, 22.06.2019 12:00
the mississippians were considered to be horticulturalists, which means they were
Answers: 1
Ben wants to test whether the material used to make a disposable cup affects the amount of thermal e...
Mathematics, 02.06.2021 08:00
History, 02.06.2021 08:00
Chemistry, 02.06.2021 08:10
Social Studies, 02.06.2021 08:10
Mathematics, 02.06.2021 08:10
English, 02.06.2021 08:10
Social Studies, 02.06.2021 08:10
Mathematics, 02.06.2021 08:10
Mathematics, 02.06.2021 08:10
Mathematics, 02.06.2021 08:10
Social Studies, 02.06.2021 08:10
English, 02.06.2021 08:10
Mathematics, 02.06.2021 08:10