Chemistry, 03.02.2020 23:41 stephen4438

How much heat must be absorbed by 125 of ethanol to change its temperature from 22.3 to 31.0 ? (specific heat capacity of ethanol is 2.42 )

a. 2.63×103kj
b. 4.55 kj
c. 85.2 kj
d. 2.63 kj

Answers: 3

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 19:00, Val03

Asmall amount of a solid is added to water. the observation made after fifteen minutes is shown in the figure. which of these solids has been probably added to water? a) oil b) sand c) sugar d) wood chips

Answers: 1

continue

Chemistry, 22.06.2019 11:00, bigwaYne

Imagine that twenty i. u.’s of enzyme z were catalyzing the above reaction for one minute, under vmaxconditions, in a 3.00 ml assay volume. the assay is buffered with 20 mm phosphate buffer, ph 7.60. what will the ph be at the end of that one minute?

Answers: 2

continue

Chemistry, 22.06.2019 16:00, sassy11111515

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride

Answers: 1

continue

Chemistry, 22.06.2019 20:00, teacherpreacher

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

continue

You know the right answer?

How much heat must be absorbed by 125 of ethanol to change its temperature from 22.3 to 31.0 ? (spe...