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podryga [215]
3 years ago
13

1. Describe the motion of gas particles.

Chemistry
2 answers:
Likurg_2 [28]3 years ago
4 0

Answer:

<u>The motion of gas particles are fast moving and spread apart</u>

Explanation:

Let me know if you ned any other help:)

kykrilka [37]3 years ago
3 0

Answer:

The particles in a solid are tightly packed and locked in place. ... The particles in a liquid are close together (touching) but they are able to move/slide/flow past each other. The particles in a gas are fast moving and are able to spread apart from each other.

Explanation:

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Write an expression that can be used to check the quotient of 646÷3
iVinArrow [24]

Answer:

215.33

Explanation:

A mathematical expression is an equation that connect one or more variables with constants.

The Quotient is the result of carrying out the division operation.let "y" be the quotient of dividing 646 by 3

therefore 646÷3 =y

\frac{646}{3}=y\\ 3y=646\\

y=\frac{646}{3}\\ y=215.33

5 0
3 years ago
What happens to the kinetic energy of the particles in a sample of gas as
pychu [463]

Answer:

See below

Explanation:

Temperature is basically a measure of the average kinetic energy of the particles in the sample ....so as  temp goes up, kinetic energy increases

3 0
2 years ago
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Which statement about the central nervous system (CNS) and the peripheral nervous system (PNS) is true?
Deffense [45]

Answer:

A is the correct answer

Explanation:

4 0
3 years ago
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What is the unit of measurement used to express density
Oksi-84 [34.3K]
Density Grams or kilograms 
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6 0
3 years ago
Lab: Limiting Reactant and Percent Yield
creativ13 [48]

Answer : If a substance is the limiting reactant, then it limits the formation of products because in the reaction it is present in limited amount.

Explanation :

While observing a chemical reaction, we can tell about whether a reactant is limiting or excess.

Step 1 : first write the chemical reaction and then balanced the chemical equation.

C_2H_4+H_2\rightarrow C_2H_6

Step 2 : convert the given masses into the moles if mass of C_2H_4 is 10.5 g and molar mass of C_2H_4 is 28 g/mole and the mass of hydrogen is 0.40 g and molar mass of hydrogen is 2 g/mole.

\text{moles of }C_{2}H_{4}=\frac{10.5g}{28g/mole}=0.375moles

\text{moles of }H_{2}=\frac{0.40g}{2g/mole}=0.20moles

Step 3 : Now we have to determine the limiting reagent and excess reagent.

\text{ moles of }C_{2}H_{4}\text{ in excess}=0.375-0.20=0.175\text{moles}

Now we conclude that C_{2}H_{4} is the limiting reagent and hydrogen is an excess reagent.

Hypothesis :

Limiting reagent : It is the reagent in the chemical reaction that is totally consumed when the chemical reaction is complete.  Limiting reagent limits the formation of products.

7 0
3 years ago
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