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scoundrel [369]
3 years ago
12

What does the term "compound" mean? two or more substances dispersed in one another but each retaining their own identity. two o

r more elements joined together such that the elements have lost their individual identity in favor of a new set of properties. a change in shape, size, or physical characteristics but remaining the same substance.
Chemistry
2 answers:
GarryVolchara [31]3 years ago
4 0
I believe it's the second option. 2 or more elements joined together such that the elements have lost their individual identity in favour of a new set of properties.
Ksju [112]3 years ago
3 0

Answer: Option (b) is the correct answer.

Explanation:

When two or more different atoms are bonded together either by sharing or donating electrons then it results in the formation of a new product which exhibit different properties as compared to its parent atoms. This new product is known as compound.

For example, 2Na^{+} + CO^{2-}_{3} \rightarrow Na_{2}CO_{3}

Therefore, Na_{2}CO_{3} will have different properties as compared to sodium and carbonate ions.

Thus, we can conclude that the term "compound" mean two or more elements joined together such that the elements have lost their individual identity in favor of a new set of properties.

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What are the 5 ways to identify if a chemical reaction happened?
vlada-n [284]

Answer:

a new substance is formed, if heat is formed, color change, the evolution of gas, and bubbles or fizzing

7 0
3 years ago
Why is it better to use the metric system, rather than the English system, in scientific measurement?
frez [133]
The metric system is based on powers of 10 so it is much easier to convert units, often just by moving the decimal point.
3 0
3 years ago
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An 80 kg long jumper in flight accelerates at a rate of 10 m/s^2. What is the force of the long jumper
Katarina [22]

Answer:

F = 800 N

Explanation:

Given data:

Mass = 80 Kg

Acceleration = 10 m/s²

Force = ?

Solution:

Formula:

<em>F = m × a </em>

F = force

m = mass

a = acceleration

Now we will put the values in formula:

<em>F = m × a </em>

F = 80 kg <em>× </em>10 m/s²

F = 800 kg.m/s²

kg.m/s² = N

F = 800 N

6 0
3 years ago
In the balanced chemical reaction for the combustion of acetylene (used in welding torches), determine at standard temperature a
Tpy6a [65]

Answer:

8L of CO2

Explanation:

The equation for the reaction is given below:

2C2H2 + 5O2 —> 4CO2 + 2H2O

From the equation above,

5L of O2 produced 4L of CO2.

Therefore, 10L of O2 will produce = (10 x 4)/5 = 8L of CO2

Therefore, 8L of CO2 is produce

8 0
3 years ago
In the heating curve of an unknown substance, the line labeled C represents what change(s)?
IceJOKER [234]

Answer:

C) Temperature and Kinetic Energy.

Explanation:

Hello there!

In this case, according to the generic heating curve on the attached file, it possible to see that on the point C, whereas the line is diagonal, the temperature increases, but also the kinetic energy increases because the molecules gain energy due to the increase of the temperature. It is important to say that on flat lines, like those on B and D, the phase change takes place and just the potential energy change.

In such a way, we infer that the answer is C) Temperature and Kinetic Energy.

Best regards!

6 0
3 years ago
Read 2 more answers
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