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hammer [34]
2 years ago
9

I need help explaining what are the differences between Solids, Liquids, and Gases.

Chemistry
1 answer:
Stella [2.4K]2 years ago
6 0

Explanation: solids are frozen like if you freeze tea it becomes a solid , liquids is like tea and gases is like when you boil water and it becomes a gas

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DanielleElmas [232]

Answer:

23

Explanation:

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2 years ago
Vectors are arrows that tell us two things about force...WEIGHT and DIRECTION
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False, from what i know vectors tell us about direction and magnitude. not weight and direction
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Read 2 more answers
How many grams of KCl are needed to prepare 0.750 L of a 1.50 M solution in water?
dlinn [17]

Answer: Option A) 83.9g

Explanation:

KCl is the chemical formula of potassium chloride.

Given that,

Amount of moles of KCl (n) = ?

Volume of KCl solution (v) = 0.75L

Concentration of KCl solution (c) = 1.5M

Since concentration (c) is obtained by dividing the amount of solute dissolved by the volume of solvent, hence

c = n / v

make n the subject formula

n = c x v

n = 1.5M x 0.75L

n = 1.125 mole

Now given that,

Amount of moles of KCl (n) = 1.125

Mass of KCl in grams = ?

For molar mass of KCl, use the molar masses of:

Potassium, K = 39g;

Chlorine,Cl = 35.5g

KCl = (39g + 35.5g)

= 74.5g/mol

Since, amount of moles = mass in grams / molar mass

1.125 mole = m / 74.5g/mol

m = 1.125 mole x 74.5g/mol

m = 83.81g

Thus, 83.9 grams of KCl are needed to prepare 0.750 L of a 1.50 M solution in water

3 0
2 years ago
What is the electron configuration of a ground-state Nb2+ ion? Select one: a. 1s22s22p63s23p64s23d104p65s24d1 b. 1s22s22p63s23p6
zzz [600]
[Kr]4d3
The configuration of Nb2+ is [Kr]4d3. Nb2+ also has an odd number of valence electrons.
5 0
3 years ago
How many moles of ammonla are produced by 2.8 mol of hydrogen.<br><br>ANH​
yan [13]

Answer:

3 i think

Explanation:

6 0
2 years ago
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