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luda_lava [24]
3 years ago
9

What is the difference between a polar and a nonpolar bond?And how can i figure out if its polar or nonpolar in a bond question?

Chemistry
2 answers:
ra1l [238]3 years ago
5 0

Answer:

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.

Explanation:

that's your answer very easy.

notsponge [240]3 years ago
5 0

Answer:

(If the difference in electronegativity for the atoms in a bond is greater than 0.4, we consider the bond polar. If the difference in electronegativity is less than 0.4, the bond is essentially nonpolar.) If there are no polar bonds, the molecule is nonpolar.

Explanation:

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How many moles of water are produced when 10 moles of hydrogen gas reacts with an excess of oxygen? (whole number)
asambeis [7]

Answer:

12 moles H

2

O

Explanation:

Your tools of choice for stoichiometry problems will always be the mole ratios that exist between the chemical species that take part in the reaction.

As you know, the stoichiometric coefficients attributed to each compound in the balanced chemical equation can be thought of as moles of reactants needed or moles of products formed in the reaction.

In your case, the balanced chemical equation for this synthesis reaction looks like this

2

H

2(g]

+

O

2(g]

→

2

H

2

O

(l]]

Notice that the reaction requires  

2

moles of hydrogen gas and  

1

mole of oxygen gas to produce  

2

moles of water.

This tells you that the reaction produces twice as many moles of water as you have moles of oxygen gas that take part in the reaction.

You know that your reaction uses  

6.0

moles of oxygen. Assuming that hydrogen gas is not a limiting reagent, you can say that the reaction will produce

6.0

moles O

2

⋅

2

moles H

2

O

1

moles O

2

=

12 moles H

2

O

Explanation:

6 0
3 years ago
What are the three steps scientists take to evaluate a scientific explanation?
AveGali [126]
Step 1. - Scientists first take a look at their empirical evidence and try to explain it.
Step 2. - Scientists test if their explanation or conclusion is logical.
Step 3. - If their explanation is logical, they search for new test that may help them to support their first idea.
8 0
3 years ago
Perform the following
strojnjashka [21]

Answer:

4 sig figs: 20.18

Explanation:

the smallest amount of digits was 4 in the expression

7 0
3 years ago
. The shell around the nucleus can be numbered from near to the nucleus as 1, 2, 3, 4,
taurus [48]

Answer:

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Explanation:

Scientist Neil Bohr in his atomic model describes that electrons are moving with high velocity in circular paths around the nucleus is called shells or orbits. As long as electrons are in their particular orbit their energy is constant. He named those orbits as K- shell, L- shell and M- shell etc. When the electron absorb energy, it is able to jump to the next shell and comes back to its original shell when it loses energy. He also give numbers i.e. 1,2,3,4 to the shells due to their nearness to the nucleus. Shell 1 is near to the nucleus whereas shell 4 is farther from the nucleus.

3 0
3 years ago
Are elements with similar chemical properties found in the same period or group on the periodic table?
saveliy_v [14]
Yes, because they are in the same group also because they are similar with  the <span>chemical properties</span>
5 0
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