Chemical reactions are the molecular and ionic rearrangement of the reactants to form products. The order of the reactions is combustion, photosynthesis and respiration.
<h3>What are the types of reactions?</h3>
A <u>combustion reaction</u> is a chemical reaction in which the reactant reacts in the presence of oxygen to yield the products and some amount of heat and energy. Burning of the fossil fuels in the presence of atmospheric oxygen is the combustion reaction.
<u>Photosynthesis </u>is a biochemical reaction that occurs in the presence of solar energy that converts carbon dioxide and water to produce sugars and oxygen in plant cells. Tomato plantation is an example of photosynthesis.
<u>Respiration </u>is a process by which the organism utilizes food and oxygen as energy sources required by the body to function and perform activities. Eggs are the source of the energy and are a respiration reaction.
Therefore, the order of the reactions is combustion, photosynthesis and respiration.
Learn more about chemical reactions here:
brainly.com/question/10026513
Answer:
455.4 mmHg
Explanation:
To solve this problem we can use <em>Gay Lussac's Law</em>, which describe the temperature and pressure of a gas, at constant volume and composition:
In this case:
We <u>input the data</u>:
- 621 mmHg * 231 K = P₂ * 315 K
And <u>solve for P₂</u>:
When mg reacts with hcl the product is magnesium cloride and hydrogen gas
Mg + 2HCl = MgCl2 + H2
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