subject
Chemistry, 21.10.2020 21:01 babylear

B. Water has a specific heat of 4.184 J/gºC. If the temperature of 250 g of water changes from 22.9°C to 14.7°C, how much heat energy was removed
from the water?

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 20:00
For the reaction c6h14(g) & longrightarrow; c6h6(g) + 4h2(g), δp(h2)/δt was found to be 2.5 x 10-2 atm/s, where δp(h2) is the change in pressure of hydrogen. determine δp(c6h14)/δt for this reaction at the same time.
Answers: 2
question
Chemistry, 23.06.2019 10:30
Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol
Answers: 2
question
Chemistry, 23.06.2019 11:20
Sandy is building a small toy car. he wants to use a balloon to power the toy car. he fills a balloon with air and then attaches a straw to the balloon. he tapes the balloon-straw combination to the car and then releases the end of the balloon. the toy moves forward as the air from the balloon comes out the back of the straw. what can sandy do to make the toy car move faster? a) use less air in the balloon. b) blow up the balloon more. c) use a longer straw. d) use larger tires.
Answers: 2
question
Chemistry, 23.06.2019 18:30
Achemist reacted 57.50 grams of sodium metal with an excess amount of chlorine gas. the chemical reaction that occurred is shown. na + cl2 ? nacl if the percentage yield of the reaction is 86%, what is the actual yield? show your work, including the use of stoichiometric calculations and conversion factors.
Answers: 1
You know the right answer?
B. Water has a specific heat of 4.184 J/gºC. If the temperature of 250 g of water changes from 22.9...
Questions
question
Mathematics, 29.09.2020 06:01
question
English, 29.09.2020 06:01
question
Mathematics, 29.09.2020 06:01
question
Chemistry, 29.09.2020 06:01