HelpMeWithQuestions HelpMeWithQuestions

09-10-2020
Chemistry

contestada

A chemical reaction takes place to allow hand warmers to give off heat. This is an example of a(n) __________.
A. physical change
B. exothermic reaction
C. endothermic reaction
D. precipitate

Respuesta :

itsluisglass itsluisglass

09-10-2020

Answer:

Exothermic

Explanation:

Exothermic reactions release heat, endothermic absorb heat, and precipitate is a solid formed from a solution

Answer Link

oscar236 oscar236

09-10-2020

Answer:

B.

Explanation:

Gives off heat,.

Answer Link

Otras preguntas

What was one of Genghis Khan’s achievements

A math professor finds that when she schedules an office hour for student help, an average of 2.12.1 students arrive. find the probability that in a randomly se

Arrange the following polynomial into descending order for x, then interpret the degree of the 3rd term. 2xy4 + 2x2y − 3y2 + 10x3

Read the excerpt from Ovid’s "Pyramus and Thisbe". Theirs did—indeed they wanted to be wed, but marriage was forbidden by their parents; yet there's one thing t

Lester Moy bought two new Michelin Tires for his car at $99.55 per tire. He was also charged $4.95 per tire for mounting, $2.65 per tire for valves, and $3.99 p

Carla earned 322 points out of 340 grade points in her environmental science course. how many grade points did she earn?

Please help me answer this question.

Roberto is meeting with professor plum in his office during advising hours. as roberto is describing the problems he is having in his accounting course, profess

What types of statements can be used to support conclusions made in proving statements by deductive reasoning? definitions hypothesis postulates previously prov

Help me with my math plz

Q&A Platform for Education Platform Explore for Education