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saw5 [17]
2 years ago
14

H E L P P L E A S E ;-;

Chemistry
1 answer:
aleksandr82 [10.1K]2 years ago
7 0

Answer:

because it decompose

Explanation:

yeast is an organic compound

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Adding heat and increasing concentration are meant to cause an increase in....?
asambeis [7]

Answer:

Adding heat and increasing concentration are meant to cause an increase in the rate of a reaction

Explanation:

The rate of a chemical reaction is defined as the number of moles of reactants converted or products formed pee unit time. It is a measure of how quickly the reactants in a given reaction are used up to form products or how quickly products are formed from reactants.

Factors that affect the rate of a chemical reaction include:

1. Nature of reactants

2. Concentration/pressure (for gases) of reactants

3. Temperature of reaction mixture

4. Presence of light

5. Presence of a catalyst

The effect of increasing the concentration of reactants for a given chemical reaction is that the reaction rate will increase. This is so because, according to the collision theory of chemical reactions, the frequency of collision between reactant particles which results in a chemical reaction (effective collisions) will increase when the reactant particles are crowded together in a small space due to an increase in their concentration.

The effect of increasing temperature or adding heat to a reaction is that the reaction rate increases. When the heat is added to a reactant particles, the number of particles with energies greater than or equal to the activation energy (the minimum amount of energy that reactant particles must possess for effective collisions) increases. Also, the average speed of the reactant particles increases resulting in a greater frequency of collision. Hence, the rate of the chemical reaction increases.

4 0
3 years ago
When an ionic compound is placed in water, the positive end of the water molecule is attracted to the cation (+) of the ionic co
Pani-rosa [81]

Answer:

what's the question?I can't answer without a question

3 0
2 years ago
A 67.6 g sample of zinc is heated, then placed in a calorimeter containing 65.0 g of water. Temperature of water increases from
alexira [117]

Answer:

Hi Im an online tutor and i can assist you with all your assignments. We have experts in all fields. check out our website https://toplivewriters.com/

Explanation:

7 0
2 years ago
Calculate the mean of 2, 5 and 3. write your answer to 2 decimal places. please help me on this
makvit [3.9K]

Hello.

The answer is: 3.3333

To get the answer add 2,5 and 3 that is 10 then divide by 3 to get 3.3

Have a nice day

6 0
3 years ago
Choose the products that complete the reaction . The chemical equation may not be balanced . Al+H 2 SO 4 ? Al 2 (SO 4 ) 3 +H 2 O
alexandr402 [8]

Answer: Al2 (SO4)3 + H2

Explanation:

option C

5 0
2 years ago
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