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Serjik [45]
4 years ago
15

Which topic is commonly used to explain activation energy and how chemical reactions happen

Chemistry
2 answers:
castortr0y [4]4 years ago
6 0
The correct answer is collision theory
mel-nik [20]4 years ago
4 0

Answer;

B. Collision theory

Explanation;

The collision theory explains that gas-phase chemical reactions occur when molecules collide with sufficient kinetic energy.

The collision theory is based on the assumption that for a reaction to occur it is necessary for the reacting species (atoms or molecules) to come together or collide with one another.

According to collision theory Molecules must collide with sufficient energy, known as the activation energy, so that chemical bonds can break.

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ASAP :))
grigory [225]

Answer:

B

Explanation:

Exergonic reactions are also called spontaneous reactions, because they can occur without the addition of energy. ... In this case, the products, or final state, have more free energy than the reactants, or initial state. Endergonic reactions are non-spontaneous, meaning that energy must be added before they can proceed.

5 0
3 years ago
Select all
Schach [20]

Answer: The correct option is option d

Explanation - The mean deal with science is that it allows people to carry on research in an organized manner to find or make new discoveries and inventions.  

The basic purpose of science is to try new things or ways to get an outcome by constant perseverance on research and negating the ways that don't work thus giving and improving knowledge of what is correct and what is not to make a new Discovery or invention.  

7 0
3 years ago
Read 2 more answers
100 points plus i'll mark brainliest
sdas [7]
I think the answer is 98 grams
5 0
3 years ago
Describe the journey your food takes after it enters your mouth
Furkat [3]

Answer:

Also called the throat, the pharynx is the portion of the digestive tract that receives the food from your mouth. Branching off the pharynx is the esophagus, which carries food to the stomach, and the trachea or windpipe, which carries air to the lungs.

4 0
4 years ago
How many grams of C are in 500g or NaHCO3​
harina [27]

Answer: 71.43g

Explanation: The RMM of NaHCO3 is

23+1+12+16(3)=84.

There is one carbon in NaHCO3 thus there are 1×12g of C in NaHCO3.

Thus

85gNaHCO3-----12g C

500gNaHCO3---- xgram

(500×12)÷84= 71.43

7 0
3 years ago
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