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eduard
2 years ago
15

I typed a question. It said give points. I selected. Someone answered notification came. But where do I see they persons answer?

This was my question.
The temperature of a sample of water increases from 20 degrees C to 46.6 degrees C as it absorbs 23617 joules of heat. What is the mass of the sample?
Chemistry
1 answer:
Ksivusya [100]2 years ago
6 0

Answer:

212.304 grams

Explanation:

similar to your other question, use the same formula

q=mCpΔT

23617=m(4.182)(46.6-20)

23617=111.2412m

m=212.304g

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Which statement best describes a chemical reaction?
ziro4ka [17]

Answer:

In a chemical reaction, one or more substances called reactants are combined or  broken down to form products.

Explanation:

Chemical reaction:

In a chemical reaction one or more substance converted into the another substance.

The substances that reacts or combine during the chemical reaction are called reactants while the new species formed as a result of chemical reaction are products.

There are different types of reaction given below:

Decomposition reaction:

It is the reaction in which one reactant is break down into two or more product.

AB → A + B

Synthesis reaction:

It is the reaction in which two or more simple substance react to give one or more complex product.

Single replacement:

It is the reaction in which one elements replace the other element in compound.

AB + C → AC + B

Double replacement:

It is the reaction in which two compound exchange their ions and form new compounds.

AB + CD → AC +BD

7 0
4 years ago
draw two lewis structures for a compound with the formula c4h10 . no atom bears a charge, and all carbon atoms have complete oct
I am Lyosha [343]

The number of sigma bonds = 5, and number of pi bonds = 3 in the given compound. Shown in attachment are the two Lewis structures of the compound with molecular formula C4H10. The two structures are the isomers of each other.

Butane is an alkane represented by C4H10. All the bonds in this situation are single bonds because this substance is an alkane. Two shared electrons are present in every bond.

Each carbon atom requires 8 electrons around it in order to follow the Octet Rule. The octet rule was completed by the hydrogen bonds, eliminating the need for the electron dots.

Straight-chained butane is the first structure. The y-chained isobutane is the second structure.

To know more about Lewis theory  visit : brainly.com/question/1179291

#SPJ4

8 0
2 years ago
The flavoring is what seems to appeal to ______users and it’s what makes vaping seem _________
jek_recluse [69]
The flavoring is what seems to appeal to underage users and it’s what makes vaping seem harmless
4 0
2 years ago
Crystals are characterized by particular patterns that repeat in how many dimensions? A. three dimensions
Andreyy89

A option is correct answer   .

8 0
4 years ago
Read 2 more answers
The element chlorine has atomic no.17 and atomic mass 35. Calculate the no. of protons, neutrons and electrons. ​
sammy [17]

Answer:

Protons = 17 Neutrons = 18 Electrons = 17

Explanation:

The number of protons and electrons are the the same number as the atomic number.

To get the number of neutrons, subtract the number of protons from the mass number.

35-17=18

5 0
3 years ago
Read 2 more answers
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