4 years ago

This diagram would represent the enthalpy changes in which of the following?

1 answer:

3 0

Answer is: hot pack.
This is exothermic reaction (energy or heat is released), because reactants have higher energy than products of reaction. Hot pack is mixture of water and salt (usually magnesium sulfate or calcium chloride). When salt dissolves in water, <span>more energy is released than taken in, so process is exothermic.</span>

You might be interested in

Why does Earth rotate?

sleet_krkn [62]

Your answer would be 2.Because the matter in the nebula that formed Earth was spinning

Hope this helps! :D

3 0

3 years ago

Read 2 more answers

Obtain a box of breakfast cereal and read the list of ingredients. What are four chemicals from the list? a. monoglycerides b. c

GREYUIT [131]

Answer:

B. cocamide DEA

C. folic acid

D. iron

G. lauryl glucoside

5 0

3 years ago

Help me, it’s pretty easy science moon stuff !

trasher [3.6K]

Hello :)
Based on the information I received reading the picture, the answer should be “B”

Explanation: if I am wrong I’m very sorry. But that should be the answer

8 0

3 years ago

Read 2 more answers

Which statement describes the transfer of heat energy that occurs when an ice cube is added to an insulated container with 100 m

nadya68 [22]

Number 3 is the most likely answer

4 0

3 years ago

A student makes a cross-section clay model to represent the internal structure of a volcano that leads to the formation of two r

Murrr4er [49]

CAnswer:

Explanation:

6 0

3 years ago