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2 years ago

Which statement best explains the difference between polar and nonpolar covalent bonds?(1 point)

Chemistry

2 answers:

Mars2501 [29]2 years ago

8 0

Answer:

Let me help you out fr:

Explanation:

1. 0.5 to 1.7

2. fluorine (F)

3. KNO3

4. Polar covalent bonds share electrons unequally, while nonpolar covalent bonds share electrons equally.

5. Fe and S have an ionic bond, while S and O have covalent bonds.

miv72 [106K]2 years ago

6 0

Answer:

Answer is 4

Explanation:

Polar covalent bonding is a type of chemical bond where a pair of electrons is unequally shared between two atoms. ... If the electronegativity of two atoms is basically the same, a nonpolar covalent bond will form, and if the electronegativity is slightly different, a polar covalent bond will form.

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Explanation:

To answer this question, we'll need to use the Ideal Gas Law:

where

is pressure,

is volume,

is the number of moles

is the gas constant, and

is temperature in Kelvin.

The question already gives us the values for

and

, because helium is at STP. This means that temperature is

273.15 K

and pressure is

1 atm

We also already know the gas constant. In our case, we'll use the value of

0.08206 L atm/K mol

since these units fit the units of our given values the best.

We can find the value for

by dividing the mass of helium gas by its molar mass:

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4.00 g/mol

1.50 mol

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2 years ago

What is a chemical property of plastic

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3 years ago

Please show all work:

Tom [10]

If 40.0 grams of magnesium is reacted with an excess of nitric acid. 3.3 g of hydrogen gas will be produced.

<h3>What is Stoichiometry ?</h3>

Stoichiometry helps us use the balanced chemical equation to measure quantitative relationships and it is to calculate the amounts of products and reactants that are given in a reaction.

<h3>What is Balanced Chemical Equation ?</h3>

The balanced chemical equation is the equation in which the number of atoms on the reactant side is equal to the number of atoms on the product side in an equation.

Now we have to write the balanced equation

Mg + 2HNO₃ → Mg(NO₃)₂ + H₂

According to Stoichiometry

$40.9\ \text{g Mg} \times \frac{1\ \text{mol Mg}}{24.31\ \text{g Mg}} \times \frac{1\ \text{mol}\ H_2}{1\ \text{mol Mg}} \times \frac{2.02\ g\ H_2}{1\ \text{mol}\ H_2}$

= 3.3 g H₂

Thus from the above conclusion we can say that If 40.0 grams of magnesium is reacted with an excess of nitric acid. 3.3 g of hydrogen gas will be produced.

Learn more about the Stoichiometry here: brainly.com/question/16060223

#SPJ1

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1 year ago