Chemistry Middle School

What is chemical energy?

A Energy that is stored or released during a chemical reaction
B Energy that is destroyed during a physical change
C Energy that is released during a phase change
D Energy that is created when a substance is being burned

Answers

Answer 1

Answer:

A

Explanation:

Answer 2
A) energy that is stored or released during a chemical reaction.

Related Questions

The phase of matter can be changed by:

a) increasing temperature
b) decreasing mass
c) increasing volume
d) all of the above

Answers

Answer: A

Explanation: Mass and volume is the amount, amount doesn’t make the phase of a matter change.

I’m pretty sure it is all of the above I’m sorry if I get it wrong,hope it helps:)

Which phrase describes the parts of a solution but NOT the parts of a heterogeneous mixture?

A.) evenly mixed
B.) chemically bonded
C.)always a single type of atom
D.) easily visible with a unaided eye

Answers

always a single type of atom

Answer:

c

Explanation:

what is the volume of a marble that has a mass of 3.g and a Density of 2.7 g/ml ?
make sure to round to the nearest tenth

Answers

Answer:

1.111 or since you want me to round 1.1 if not right let me know please.

Explanation:

Answer:

1.1

Explanation:

all you have to do is divide the mass by density to get the volume yurr

Carlos is using the following images of a coal plant and a barbecue for his science investigation about chemical energy. Based on his observations, which statement most likely describes the conclusion of his investigation?

a coal plant


a barbecue


The images show examples of chemical energy being converted into heat and electrical energy.
The images show examples of mechanical energy being converted to heat energy.
The power plant and the barbecue convert electrical energy into chemical energy.
The power plant and the barbecue store heat energy and convert it to chemical and electrical energy.

Answers

I believe it is the first one, please correct me if I'm wrong.

Answer:

A

Explanation:

help please, thank you !!

Answers

Answer:

5

Explanation:

Other Questions
Name three of the five acting styles. Imagine that you are holding 5,800 shares of stock, currently selling at $65 per share. You are ready to sell the shares but would prefer to put off the sale until next year due to tax reasons. If you continue to hold the shares until January, however, you face the risk that the stock will drop in value before year-end. You decide to use a collar to limit downside risk without laying out a good deal of additional funds. January call options with a strike price of $70 are selling at $5, and January puts with a strike price of $60 are selling at $6. What will be the value of your portfolio in January (net of the proceeds from the options) if the stock price ends up at $51, $65, $71 On July 4, 2020, America turned 7.69 x 10^9seconds old. On that day, how old was Americain years? (Assume 365 days in a year) The specific The specific identification inventory costing method: Select one: A. Measures the ending inventory at the actual prices of the specific units sold during the period B. Is more appropriate for a firm selling construction equipment than for a firm selling greeting cards C. Is not a generally accepted method of pricing inventories D. Uses expected future acquisition costs rather than historical costs to measure the ending inventoryinventory costing method: The selection from the Navajo Origin Legend shows the origin ofA. buckskinB. cornC. marriageD. funeral Which sentences describe the value of a conditional statement? Check all that apply.It allows a programmer to designate a portion of the code that will be run only when a condition is met.It creates new program code when a condition is met.It allows a programmer to set a condition that must be met.It incorporates decision-making into a program. Which term describes the movement of air caused by differences in air pressure? Eight less than a number s is three more than four times a number t. Solve for s. solve for yits not 14 lol The florist makes the greatest number of identical arrangements with the carnations and asters. She has 72 carnations and 42 asters. How can she decide how many carnations to place in each arrangement?A. Subtract the number of asters from the number of carnations.B. Divide the number of carnations by the GCF of 72 and 42.C. Find the least common multiple of 72 and 42.D. Find the greatest common factor of 72 and 42. There are 90 people in a group.A sixth of the people in the group are men.The number of women in the group is 2 times the number of men in the groupThe rest of the people in the group are children.the number of children in the group : the number of men in the group = n: 1Work out the value of n.You must show how you get your answer. PLEASE HELP IT IS TIMEDHarry is speaking in front of a group of senior citizens. He notices many of them are shaking their heads, sighing loudlywhispering to each other, and have looks of disgust on their faces. Which of the following should he try in order to betterengage his audience?a. consider the audience's diversity more carefully by asking a few "what if" questionsb. acknowledge they may disagree with some of his arguments, but invite them to consider it froma different point of viewC. Speak more loudly, tell a funny story, and move around a bit mored. repeat what he said in different words, and give a few more examples Somebody please help Why were the Middle Colonies nicknamed "the breadbasket? What war gave the U.S. the southwestern area?Civil WarAmerican RevolutionMexican WarWar of 1812 If a recipe for one batch of cookies uses 5 cups of flour and 2 teaspoons of vanilla, how many teaspoons of vanilla would you use for 20 cups of flour? (Hint: Draw a double number line on a piece of paper to help identify an equivalent ratio.)Group of answer choices10468MATH 6TH GRADE The temperature at 6 a.m. was 12F. At 11 a.m. the temperature was 0F. Which of the following shows the temperature change from 6 a.m. to 11 am? Complete the following statements in a logical manner,using an expression with -avoir-Plssss help!!! Jefferson believed that freedom of religion and an individuals human rights are _____. Select all that apply. You have a friend who is always resolving to improve his grades, but who never seems to find time to study. Which of the following suggestions could help him overcome his time inconsistency and help him meet his goal. Instructions: In order to receive full credit, you must make a selection for each option. For correct answer(s), click the option once to place a check mark. For incorrect answer(s), click the option twice to empty the box. Set aside a sum of money that he will only be allowed to spend if he achieves the desired grade for the class. unchecked Make firm time commitments to meet with a study partner who depends on him showing up. unchecked Utilize a tutor who charges a fee only (or alternatively a higher fee) if he misses an appointment. unchecked Rewarding himself with some type of treat only after he has studied.