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2 years ago

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Which of the following statements correctly characterizes the subatomic particle

1 answer:

vichka [17]2 years ago

4 0

Answer:

Its mass is about the same as that of a proton

Explanation:

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Can anyone can answer practice problem exercise 6.5

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Answer: Add more information please! Thanks!

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3 years ago

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How does the type of liquid used to make ice cubes affect the rate at which it melts?

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It doesn’t affect it

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3 years ago

Which of the temperatures below is most likely to be the boiling point of water at 880 torr?view available hint(s)which of the t

Luden [163]

Boiling point<span> is the </span>temperature<span> at which the vapor pressure of the liquid equals the surrounding pressure.

Above boiling point point, liquid get converted into vapour.

Now, boiling point of water is 100 oC at room pressure. Room pressure is equal to 760 torr. Thus, at 100 oC, vapour pressure of water becomes equal to 760 torr.

Now, if external pressure is increased to 880 torr, more heat is to be supplied so that vapour pressure of water equals 880 torr.

So, at 880 torr, boiling point of water will be more than 100 oC. In present case, most like the boiling point of water is equal to 105 oC.

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3 years ago

Ghella [55]

potassium reacts the most vigorously.

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3 years ago

How many grams of solute are needed to order to prepare 100.00 mL of a 0.1000 M solution of a compound with a molecular weight o

Troyanec [42]

The grams of solute are required.

The mass of solute is 3.5 g

c = Molarity = 0.1 M

M = Molar mass = 350 g/mol

V = Volume of solution = 100 mL = 0.1 L

n = Number of moles

m = Mass of solute

Molarity is given by

$c=\dfrac{n}{V}\\\Rightarrow n=cV\\\Rightarrow n=0.1\times 0.1\\\Rightarrow n=0.01\ \text{moles}$

Molar mass is given by

$M=\dfrac{m}{n}\\\Rightarrow m=Mn\\\Rightarrow m=350\times 0.01\\\Rightarrow m=3.5\ \text{g}$

The mass of solute is 3.5 g

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2 years ago

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