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Nikitich [7]
3 years ago
9

Compared to most substances, water is unusual because it ____ when it goes from the liquid to solid state.

Chemistry
2 answers:
yuradex [85]3 years ago
6 0

Answer:

expands

Explanation:

Most substances become increasingly compressed when frozen solid, but water is a famous exception.

Ira Lisetskai [31]3 years ago
5 0
Compared to most substances, water is unusual because it EXPANDS when it goes from the liquid to solid state
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A sealed container can hold
svp [43]

0.216 moles of gas can the container hold if a sealed container can hold 0.325 L of gas at 1.00 atm and 293 K.

<h3>What is an ideal gas equation?</h3>

The ideal gas law (PV = nRT) relates the macroscopic properties of ideal gases. An ideal gas is a gas in which the particles (a) do not attract or repel one another and (b) take up no space (have no volume).

PV=nRT, where n is the moles and R is the gas constant. Then divide the given mass by the number of moles to get molar mass.

Given data:

R = gas constant = 0.08206 L.atm / mol K  

T = temperature, Kelvin  

V=5 L

P = 1.05 atm

T = 296 K

Putting value in the given equation:

\frac{PV}{RT}=n

n= \frac{1.05 atm\; X \;5 L}{ 0.08206 L.atm / mol K  X 296 K}

Moles = 0.216 moles

Hence, 0.216 moles of gas can the container hold if a sealed container can hold 0.325 L of gas at 1.00 atm and 293 K.

Learn more about the ideal gas here:

brainly.com/question/27691721

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6 0
2 years ago
Magnesium reacts with sodium fluoride to produce sodiunfluoride and elemental sodium.
vlabodo [156]

Explanation:

Mg+NaF. NaF+Mg

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8 0
2 years ago
What is the mass because I already have the volume and density
Bad White [126]

76.88 I think im sorry if wrong

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3 years ago
Match each element to the number of electrons in its valence shell
blondinia [14]

Answer: Be= 2, C =4,  Li = 1 and  B=3

Explanation:

The valence shell can be define as the outermost shell of an atom that contains the valence electrons.

Beryllium (Be), electronic configuration; 1s2 2s2, = 2 electrons in its valence shell.

Carbon (C), electronic configuration; 1s2 2s2 2p2, = 4 electrons in its valence shell.

Lithium (Li), electronic configuration; 1s2 2s1 = 1 electron in its valence shell.

Boron (B) , electronic configuration; 1s2 2s2 2p1 = 3 electron in its valence shell.

6 0
3 years ago
Encountering problems during separation/purification is a very common issue in organic synthesis, but these steps are crucial to
Rus_ich [418]
True is the correct answer! your welcome! :)
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