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Reika [66]
3 years ago
12

A bond exists between A and B in the compound AB. A and B are sharing electrons. The type of bond is

Chemistry
1 answer:
Jlenok [28]3 years ago
6 0

Answer: Covalent Bond.

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How many atoms of N are in 137.0 grams of N2O3?
valina [46]

Answer:

1.085 x 10²⁴

Explanation:

The answer is not in your choices, but it maybe due to a typo but to get the answer to this, you just need to convert the grams to moles, then moles to atoms.

First we get the mass of the molecule for every mole. Get the atomic mass of each element and multiply it by the number of atoms present then get their total.

N₂O₃

Element       number of atoms        Atomic mass       TOTAL

    N                          2                x          14.007            28.014

    O                          3                x          15.999           <u>47.997</u>

                                                                                      76.011 g/mole

So now we know for every 1 mole of N₂O₃ there are 76.011 g of N₂O₃.

Next we need to see how many moles of N₂O₃ are there in 137.0g of N₂O₃.

137.0g\times\dfrac{1mole}{76.011g}=1.802moles

Now we know that we have 1.802moles of N₂O₃.

We use Avogadro's constant to find out how many atoms there are. Avogadro's constant states that for every mole of any substance, there are 6.022140857 × 10²³ atoms.

1.802moles\times\dfrac{6.022140857\times10^{23}atoms}{1 mole}=1.085\times10^{24}atoms

6 0
3 years ago
Read 2 more answers
Which ion with a charge of -2 has an electron configuration of 1s22s22p6 ?
tester [92]

Answer:

The answer is option B.

<h3>O2-</h3>

Hope this helps you

8 0
3 years ago
Read 2 more answers
Ethan is investigating a snails response to stimuli. He put the following substances on each corner of a paper towel; syrup,lemo
olga nikolaevna [1]
There doesn't seem to be a clear answer, it is placed in the center when it's substances is on the corners it doesn't give anything else
4 0
3 years ago
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For the reaction COCl2(g)⇌CO(g)+Cl2(g), K= 2.19×10−10 at 373 K
vladimir1956 [14]

Answer:

D) The equilibrium lies far to the left

Explanation:

According to the law of mass action, the equilibrium constant K for the reaction at 373K can be calculated as follows:

K = \frac{[CO][Cl_{2}]}{[COCl_{2}]} = 2.19×10^{-10}

([X] means = concentration of X)

This means that in the equilibrium the concentration of the reactant (that is in the denominator) will be much higher (around 10^{10} fold) than the concentrations of the products (that are in the numerator), and this means that the equilibrium lies far to the left (to the reactants side) as very small amount of product is being formed.

6 0
3 years ago
Explain how the complexity and diversity of living things has changed over time
Oduvanchick [21]

Answer:

Dylan invested $ 600 in a savings account at a 1.6 % annual interest rate . He made no deposits or withdrawals on the account for 2 years. The interest was compounded annually . Find, to the nearest cent, the balance in the account after 2 years. a₁ What information from the question is important ? b . How much does Dylan have in his bank account after 2 years ? Show work .

4 0
2 years ago
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