the heat energy absorbed or released during a chemical reaction is known as:

Answers

Answer 1

Electricity
Light
Sound
Heat

Related Questions

PLEASE HELP!!
In the formula
1N2 +3H2 → 2NH3 + 1H2
1 diatomic nitrogen (1N2) and 3 diatomic hydrogen (3H2) produce 2 ammonia (2NH3) with 1 diatomic hydrogen (1H2) left over. How can you change the formula so no diatomic hydrogen (H2) is left over?

(1 point)

Remove a H2 molecule from the left side of the equation.

Remove a NH3 molecule from the right side of the equation.

There is nothing that can be done to use the leftover molecules.

Add another N2 molecule to the left side of the equation.

Answers

Answer:

Remove a H2 molecule from the left side of the equation.

Explanation:

i took the quiz and got it right

What is phase change? How does matter change in phase?

Answer ASAP pls :(

Answers

Answer:

when the chemical composition of a substance change and it is not reversible it is called phase change.for example: turning milk in to yogurt

Which of these describes an exothermic reaction? Please help, today is the last day to submit anything.

Answers

Answer:

A, Heat is released as the reaction happens.

Explanation:

Exothermic reactions release heat and/or light and is a reaction in which the overall enthalpy is negative. The one your mouse is hovering over explains Nuclear Fission. The third one explains an endothermic reaction, as heat is absorbed in the reaction. The product being cold is actually one of the key characteristics of an endothermic reaction. Two liquids being mixed that forms a solid is called a precipitate.

4. Which elements have a completely full outermost energy level?

Answers

Answer:

Helium (He), neon (Ne), and argon (Ar), as group 18 elements, have outer electron shells that are full or satisfy the octet rule. This makes them highly stable as single atoms. Because of their non-reactivity, they are called the inert gases or noble gases.

Explanation:

can i get brainliest

How does the bear help Atalanta?

Select 3 correct answer(s)
Question 2 options:

The bear brings Atalanta to shelter.

The bear guards and protects Atalanta.

The bear brings Atalanta food.

The bear teaches Atalanta to hunt.

Answers

your answers are:

B) The bear guards and protects Atalanta

C) The bear brings Atalanta food

D) The bear teaches Atalanta to hunt

Brainliest?

What happens when you drop an egg on the ground from about 6 ft high?

Answers

Answer:

Gravity causes an object to fall to Earth when dropped. When the egg hits the ground with a given force, the ground exerts the same force back on the egg. If too large a force is delivered to the egg shell, the egg will crack.

Explanation:

Other Questions

What efforts should the government, civil society and the individuals make to maintain and promote peace culture in Nepal? Type the correct answer in the box. Spell all words correctly.Which document helps you pitch an idea to a financier?A summary of a screenplay, movie, or a TV show used as a marketing tool to sell or pitch an idea to a financier is a A number pattern was created by subtracting 28 from the previous term. If the starting value for the pattern was 117, which of the following shows the resulting pattern?A. 117, 89, 61, 5...B. 117, 89, 61, 33...C. 117, 89, 63, 5...D. 117, 89, 63, 33.. Will give BrainliestUse the image to answer the question.An illustration shows the process that takes place in a cold pack. The warm cold pack has ammonium nitrate on one side and water on the other. The water is kept separate in a thin plastic bag. The pack is squeezed and the inner bag bursts. The mixture cools as ammonium nitrate dissolves.Which kind of reaction is shown in this image?(1 point)It is an endothermic reaction because the system takes energy from the surroundings. It is an exothermic reaction because the surroundings take energy from the system. It is an endothermic reaction because the surroundings take energy from the system. It is an exothermic reaction because the system takes energy from the surroundings. Two legs of a right triangle are each 70 cm. If one leg grows at the rate of 3cm/min and the othershrinks at the rate of 5 cm/min.A)how fast is the hypotenuse of the triangle changing 2 minutes later?B)how fast is the area of the triangle changing 2 minutes later? Solve the equation-10 +1 +7x =37 how many contiguous states are in the united states of america What does Einstein hope to accomplish by the use of rhetorical questions in the speech? *A. The use of logos encourages the audience to consider the facts behind nuclear armament.B. The use of pathos to encourage the audience to empathize with his plight to rid the world of nuclear weapons.C. The use of ethos because Einstein himself is considered credible.D. The use of logos provides the reader with credible statistics. Can someone help me plzzzzz 12. ATP will be used during ____ ____as energy source to produce sugar. how do i turn [tex] \frac{63}{56} [/tex]to a mixed fraction? The correlation between absenteeism and turnover is ______ the correlation between tardiness and turnover. Hey, I need help with these questions please: Mrs. Burns purchased 12 ears of corn for $5.76. What is the price per ear of corn? Which of the following is a definition of reduction?. pls help with number 12 i will give brainliest the noon sun is directly overhead at the equator during: Which of the following is NOT true of Eastern theatre (as opposed to theatre in the West).options:A Training usually begins in collegeB Leisurely rather than plot drivenC Mythic rather than realisticD Imagery and beauty valued Which of the following statements best explains how an electron microscope generates a high-resolution image?. I have less than 100 tennis balls. When i put them in tubesof 8, I have 5 left over.when i put them in tubes of 11 i have 3 leftover. How many tennis balls do i have in totals