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2 years ago

HELP PLEASE HELP ME!

Chemistry

1 answer:

miss Akunina [59]2 years ago

8 0

Answer:

I can´t see, it isnt clear

Explanation:

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In terms of electrons, what is the difference between a covalent and ionic bond

kramer

Answer:

An ionic bond essentially donates an electron to the other atom participating in the bond, while electrons in a covalent bond are shared equally between the atoms. Ionic bonds form between a metal and a nonmetal. Covalent bonds form between two nonmetals

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2 years ago

Which of the following is the correct name for Cr203?

algol13

It’s B. Chromium(III) oxide

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2 years ago

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What is a colligative property?

V125BC [204]

Colligative properties are properties of solutions that depend on the number of molecules [or ions] in a given volume of solvent and not on the properties (e.g. size or mass) of the compound. Colligative properties include: lowering of vapor pressure; elevation of boiling point; depression of freezing point and osmotic pressure.

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2 years ago

If z = 4.0 and y = 9.6, what is the value of x?

krok68 [10]

Answer:

The value of x will be "1.4".

Explanation:

The given values are:

y = 9.6

z = 4.0

As we know,

The relation between x, y and z is:

⇒ $z = \frac{y}{x}$

and,

⇒ $x=\frac{y}{z}$

On substituting the given values, we get

⇒ $=\frac{5.6}{4.0}$

⇒ $=1.4$

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2 years ago

Equation balancing

meriva

Answer:

For a: The balanced equation is $2S(s)+3O_2(g)\rightarrow 2SO_3(g)$

For c: The balanced equation is $2NaOH(s)+H_2SO_4(aq)\rightarrow Na_2SO_4(aq)+2H_2O(l)$

Explanation:

A balanced chemical equation is one where all the individual atoms are equal on both sides of the reaction. It follows the law of conservation of mass.