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Veseljchak [2.6K]
3 years ago
7

An increase in ocean salinity can increase ____, creating a current.

Chemistry
2 answers:
g100num [7]3 years ago
8 0
B density I think.. sry if I’m wrong
horrorfan [7]3 years ago
5 0

Answer:

B density

Explanation:

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Automobile airbags inflate due to the formation of nitrogen gas from the chemical reaction 2NaN3(s)⟶3N2(g)+2Na(s) Identify the n
Vera_Pavlovna [14]

<u>First part:</u>

2 atoms of Na

6 atoms of N

<u>Second part:</u>

2 atoms of N

2 atoms of Na

Why?

We are given the chemical reaction, so, we can extract the number of atoms for both reactants and products.

We are given the chemical equation:

2NaN_{3}=3N_{2}+2Na

We can rewrite it as follow:

2(NaN_{3})=3N_{2}+2Na

From the reactants, we have:

2(NaN_{3})

2Na=2atoms\\2N_{3}=2*3=6atoms

From the products we have:

3N_{2}+2Na

3N_{2}=3*2=6atoms

2Na=2atoms

Hence, we have that:

There are <u>6 atoms of N in the reactants</u> and <u>6 atoms of N in the products.</u>

and

There are <u>2 atoms of Na in the reactants</u> and<u> </u><u>2 atoms of Na in the products</u> since we have a balanced equation.

Have a nice day!

6 0
3 years ago
PLEASE ANSWERRRRRRRRRR
Phantasy [73]
The answer for your question is D
6 0
3 years ago
I WILL GIVE BRAINLIEST!!!!!!!!!!
oksano4ka [1.4K]
Hello.

 <span>HI + NaOH --> NaI + H2O 

2HClO4 + Sr(OH)2 --> Sr(ClO4)2 + 2H2O
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Have a nice day
7 0
4 years ago
A 1.00 x 10^-10 M solution of chloric acid Please help me solve this to find pH and pOH​
Svetradugi [14.3K]

Answer: The pH of solution is 10.

The pOH of the solution is 4.

Explanation:

pH is the negative logarithm of concentration of hydrogen ion.

As given concentration of acidic solution is 1.00 \times 10^{-10} M. Therefore, pH of the solution is calculated as follows.

pH = -log [H^{+}]\\= -log (1.00 \times 10^{-10})\\= 10

The relation between pH and pOH is as follows.

pH + pOH = 14

pOH = 14 - pH

= 14 - 10

= 4

Thus, we an conclude that pH of solution is 10 and pOH of the solution is 4.

3 0
4 years ago
What mass of sodium chloride contains 4.59 x 10 24 formula units?
shtirl [24]
The term formula units means molecules.

Then, what you are looking for is the mass in 4.59*10^24  molecules.

The procedure involves to convert the 4.59 * 10^24 molecules into moles and use the molar mass of the sodium chloride.

1) Number of moles = 4.59 * 10^24 molecules / (6.02 * 10^23 molecules/mol) = 7.62 mol

2) Molar mass of NaCl = 22.99 g/mol + 35.45 g/mol = 58.44 g/mol

3) mass of NaCl = molar mass *  number of moles = 58.44 g/mol * 7.62 mol = 445.31 g of NaCl

Answer: 445.31 g of NaCl.

 
7 0
3 years ago
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