putnamjaslyn putnamjaslyn

29-03-2018
Chemistry

contestada

Which of the following is an endothermic reaction?
A. The reaction in a cold pack
B. Combustion of methane
C. Condensation of steam
D. Freezing water

Respuesta :

29-03-2018

It would be A

Because endothermic always takes in heat energy

Answer Link

Otras preguntas

what is the blood pressure of human being?

47.0 ml of an HBr solution were rotated with 37.5 ml of a 0.215 m lioh solution to reach the equivalent point. What is the molarity of the hbr solution

If JK and LM are congruent and parallel, then JKL and MLK are congruent. True False

Match each event from a story with the correct element of plot. exposition rising action climax falling action resolution Mary spent the

Very easy, 8th grade level. 10 points

Help me please. 30 points :)

WILL MARK BRAINLIEST Write the correct pronoun form to complete each sentence. William Butler Yeats wrote the poem “The Song of Wandering Aengus,” and it was

I forgot how to this can someone help please

A rescue helicopter is used to help victims who fell in a ditch. The helicopter begins at sea level, which is an elevation of 0 feet. It then travels down for

Which of the following best explains why the sequence of amino acids affects a protein's shape? the bonding within a protein depends on the sequence of amino ac