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Dima020 [189]
3 years ago
12

What is the process of using one or more of your five senses to measure or collect data?

Chemistry
2 answers:
sveta [45]3 years ago
7 0

Answer:

B no observation pls mark me branilest

adell [148]3 years ago
4 0
Can I ask you a question
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A certain amount of gas is trapped in a nonrigid container at atmospheric pressure. If the container is cooled and the gas in th
Akimi4 [234]

Answer:

D. The volume of the container will decrease.

Explanation:

  • We apply here, the general gas law of ideal gases:

<em>PV = nRT,</em>

where, P is the pressure of the gas.

V is the volume of the container.

n is the no. of moles of the gas.

R is the general gas constant.

T is the temperature of the gas.

  • We are given that P is constant.

Also, n is constant as there is no added external gases.

T is decreased as the container is cooled.

So, the volume will change as the container is nonrigid.

<em>V α T.</em>

The volume is directly proportional to the temperature,

<em>Thus, as the container is cooled, the T will decrease, and the volume of the container will decrease.</em>

8 0
4 years ago
What is the mass of an object when the volume is 50.0mL and the density is 1.5g/mL
Hunter-Best [27]
Density=mass divide by volume
density=1.5g/mL, V=50mL
1.5=Mass/Volume
1.5(50)=mass
Mass=75g

Hope this can help.
4 0
3 years ago
Why we are using dozen for counting?
Scilla [17]
This is why ok stitch said so

3 0
3 years ago
For the reaction, identify the Lewis acid and the Lewis base.<br> AlF3 + CH3F → CH3+ + [AlF4]-
Ivanshal [37]
Answer:
            AlF₃ is Lewis Acid

            CH₃F is Lewis Base

Explanation:
                     According to Lewis concept ,"those compounds which donate pair of electrons are called as Lewis Base and those accepting pair of electrons are called as Lewis Acid.

In Given Reaction,
<span>                               AlF</span>₃<span> + CH</span>₃<span>F → CH</span>₃⁺<span> + [AlF</span>₄<span>]</span>⁻

AlF₃ is acting as acid because the octet of Al is not complete, hence it has tendency to accept electrons.

CH₃F is acting as a base because the F atom containing three lone pair of electrons can donate it to Al metal resulting in the formation of electrophile i.e. CH₃⁺.
5 0
3 years ago
Zinc metal and lead II nitrate yields zinc nitrate and lead metal
NNADVOKAT [17]

Answer:

i odnt knwonwta whyour sayong

Explanation:

3 0
3 years ago
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