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Harlamova29_29 [7]
3 years ago
13

10. When a substance is analyzed using an electron microscope, it is found

Chemistry
1 answer:
Paraphin [41]3 years ago
7 0
A an element gn BBC dfhjhhgdsdgghh
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Given that equation Na+(s)O2–> Na2O. Find the mass of sodium needed to produce 12.5 grams of sodium oxide.
Norma-Jean [14]

Answer: 9.27 g of Na

Explanation:Please see attachment for explanation

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3 years ago
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When h2o is added to a compound in a chemical equation, a new compound can be formed via what type of reaction?
Scorpion4ik [409]

When water is added to a compound in a chemical equation, a new compound can be formed, it is called a hydrolysis reaction.

<h3>What is hydrolysis reaction?</h3>

There are so many kinds of reaction in chemistry we know that a chemical reaction occurs between reactant molecules in order to yield products in the reactants.

The hydrolysis reaction is a breaking up reaction. In a hydrolysis reaction, water is used to break up a molecule. Hence in a hydrolysis reaction water could be regarded as one of the reactants in the reactions going on in the system.

We know that a hydrolysis is a reaction in which water reacts with another reactant molecule to yield products in the reaction. Thus, when water is added to a compound in a chemical equation, a new compound can be formed, it is called a hydrolysis reaction.

Learn more about hydrolysis:brainly.com/question/12237250

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5 0
2 years ago
If you have 2.4L of SO2 gas (at STP) how many moles of sulfur dioxide do you have?
Andru [333]

Answer:

0.107 mole of SO2.

Explanation:

1 mole of a gas occupy 22.4 L at standard temperature and pressure (STP).

With the above information, we can simply calculate the number of mole of SO2 that will occupy 2.4 L at STP.

This can be obtained as follow:

22.4 L contains 1 mole of SO2.

Therefore, 2.4 L will contain = 2.4/22.4 = 0.107 mole of SO2.

Therefore, 0.107 mole of SO2 is present in 2.4 L at STP.

4 0
3 years ago
Which statemate explains the process of a chemical reaction
Snowcat [4.5K]

It is, Reactants react to produce new substances known as products.

because a chemical reaction is the combining of different reactants

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