subject
Chemistry, 02.03.2020 23:06 meredith48034

A cup of coffee was made at a temperature of 90∘ and cools according to Newton's law of cooling. The room temperature is 30∘. If the temperature of the coffee 20 minutes after being made was 40∘ (a) What was the temperature of the coffee 15 minutes after being made?

ansver
Answers: 3

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 00:30, mannster03
This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.
Answers: 2
image
Chemistry, 22.06.2019 02:50, JuniperGalaxy
Consider the equilibrium system: 2icl(s) ⇄ i2(s) + cl2(g) which of the following changes will increase the total amount of of cl2 that can be produced? all of the listed answers are correct decreasing the volume of the container removing the cl2 as it is formed adding more icl(s) removing some of the i2(s)
Answers: 1
image
Chemistry, 22.06.2019 06:30, backup5485
Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line
Answers: 1
image
Chemistry, 22.06.2019 08:30, itzhari101
In a chemical reaction at equilibrium, the rate of the forward reaction the rate of the reverse reaction. if the rate of the forward reaction more products are formed.
Answers: 1
You know the right answer?
A cup of coffee was made at a temperature of 90∘ and cools according to Newton's law of cooling. The...

Questions in other subjects: