Which one is a true statement about exothermic reactions?A.
Energy from an outside source is continuously being added
B.
The reaction container always feels cold.
C.
The reactants have more heat energy than the products.
D.
More heat is given off than is put into the reaction.

Answers

Answer 1
Answer:

The statement which is true about exothermic reactions is as follows:

  • The reactants have more heat energy than the products.

Thus, the correct option for this question is C.

What is an Exothermic reaction?

An exothermic reaction may be defined as a type of reaction in which energy is significantly liberated in the form of heat or light. In such types of reactions, energy is generally transferred into the surroundings rather than utilized from the surroundings.

The option "energy from an outside source is continuously being added" represents an endothermic reaction in which heat or light energy is externally been provided. The option "more heat is given off than is put into the reaction" is not absolutely true because exothermic reactions liberate energy but it does not matter if it is higher or lower than that of being put into the reaction.

Therefore, the reactants have more heat energy than the products is a statement that is true about exothermic reactions. Thus, the correct option for this question is C.

To learn more about Exothermic reactions, refer to the link:

brainly.com/question/2924714

#SPJ5

Answer 2
Answer: An Exothermic Reaction , gives off more heat, and a little energy to its surroundings.
this can helps us figure out that the answer is , C, More heat is given off into its products.

most people would choose D, but i beg to differ.

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what is the restoring force of a spring with a spring constant of a 4a and a stretched displacement of 3b?

Answers

Answer:

Thus, the restoring force is - 12 a b.

Given:

Spring constant = 4 a

Stretched displacement = 3 b

To find:

Restoring force = ?

Formula used:

The restoring force is given by,

F = -k x

Where F = restoring force

spring constant = k = 4 a

stretched displacement = x = 3 b

Solution:

The restoring force is given by,

F = -k x

Where F = restoring force

spring constant = k = 4 a

stretched displacement = x = 3 b

F = - (4 a) (3 b)

F = - 12 a b

Thus, the restoring force is - 12 a b.

Okay! Last question was a warm-up question. And now to get your brain thinking some more, how about another one?:First you eat me, then you get eaten. What am I?

Answers

the correct answer is a fishhook
well the answer is fish bait as the fish eats the bait and then the fish gets eaten ??

I was an American inventor and businessman who is best known for inventing the electric light bulb. Who am I?

Answers

You are Thomas Alva Edison.  You also invented the phonograph
and the first practical movie camera.  Sadly, you died almost exactly
9 years before I was born.
The one man, who was famous and was also known for inventing the electric light bulb..was the one and only...Thomas Edison!!!

Name three acids and three bases and list an industrial or household use of each

Answers

acid: soda(drink) stomach acid, vinegar
base: blood(red cross) egg whites( cook) baking soda (clean)
Bases:
Bleach (cleaning product)
Ammonia (cleaning product)
Baking Soda (weak base)
Drain Cleaner 
Soap 

Acids:
Lemon Juice (food product)
Vinegar (food/cleaning product)
Hydrogen Peroxide (weak acid) (cleaning/bleaching agent)
Coffee (food product)

Which bird on the wire, the one with a mass of 50g or the one with a mass of 60g, has the most potential energy?

Answers

Answer:

one with 60g have the more potential

Explanation:

The upward force on an object falling through the air is?

Answers

The thing that pushes the object up while it is falling is air. This force is known as "air resistance".