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3 years ago

In what state of matter do the particles spread apart and fill all the space availble to them?

Chemistry

1 answer:

miv72 [106K]3 years ago

4 0

D) Gas
Because it is a state of matter consist of particles that have a defined volume or shape.

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Question 1 of 7

nlexa [21]

Answer:

Explanation:B ice melting is a phiyscal change and the mass of the substance remains the same

3 0

3 years ago

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A balloon filled with 1.22 L of gas at 286 K is heated until the

TiliK225 [7]

Answer: 670K

Explanation:

Given that,

Original volume of gas V1 = 1.22 L

Original temperature T1 = 286 K

New volume V2 = 2.86 L

New temperature T2 = ?

Since volume and temperature are involved while pressure is constant, apply the formula for Charles law

V1/T1 = V2/T2

1.22 L/286 K = 2.86 L/ T2

Cross multiply

1.22 L x T2 = 286 K x 2.86 L

1.22T2 = 817.96

Divide both sides by 1.22

1.22T2/1.22 = 817.96/1.22

T2 = 670.459 K (Round to the nearest whole number as 670 K)

Thus, the temperature of the gas is 670 Kelvin

4 0

3 years ago

Write an overall equation for the acid-base reaction that would be required to produce the following salt. MgCl2

harina [27]

Mg+Cl2--> MgCl2

Magnesium plus chlorine equals magnesium chloride

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3 years ago

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18. Use the activity series to predict whether the following synthesis reaction will occur. Write the chemical equations for the

MAXImum [283]

<u>Answer:</u> The chemical reaction for the synthesis reaction is given below.

<u>Explanation:</u>

Synthesis reaction is defined as a chemical reaction in which two small chemical substances combine together to form a single compound. The general equation for this chemical reaction follows:

$A+B\rightarrow AB$

For the reaction of calcium and oxygen combining together to form calcium oxide, the equation follows:

$2Ca(s)+O_2(g)\rightarrow 2CaO(s)$

By Stoichiometry,

2 moles of calcium element combines together with 1 mole of oxygen gas to produce 2 moles of calcium oxide.

Hence, the chemical equation for the reaction is given above.

8 0

3 years ago

7. In a remote area of Columbia, kids have to travel to school on a zip-line!

andriy [413]

Answer:

yes

Explanation:

Kids like fun things, and school is not fun , so if kids got to go to school on a zipline, attendance would be through the roof!

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3 years ago