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3 years ago

Air is transparent material?

Chemistry

2 answers:

Andrew [12]3 years ago

6 0

Air is a transparent material yes, we can see through it

Firlakuza [10]3 years ago

4 0

Yes, air is transparent because air contains so few atoms, light waves run into very few of them when they shine through air. So the air looks transparent.

Hope this Helps!

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Determine the elements present in sodium hydrogen carbonate

Ilia_Sergeevich [38]

Sodium, hydrogen, carbon, and oxygen

6 0

3 years ago

During a titration the following data were collected. A 50.0 mL portion of an HCl solution was titrated with 0.500 M NaOH; 200.

Travka [436]

Answer: The mass of HCl present in 500 mL of acid solution is 36.5 grams

Explanation:

To calculate the concentration of acid, we use the equation given by neutralization reaction:

$n_1M_1V_1=n_2M_2V_2$

where,

$n_1,M_1\text{ and }V_1$ are the n-factor, molarity and volume of acid which is HCl

$n_2,M_2\text{ and }V_2$ are the n-factor, molarity and volume of base which is NaOH.

We are given:

$n_1=1\\M_1=?M\\V_1=50.00mL\\n_2=1\\M_2=0.500M\\V_2=200.mL$

Putting values in above equation, we get:

$1\times M_1\times 50.00=1\times 0.500\times 200\\\\M_1=\frac{1\times 0.500\times 200}{1\times 50.00}=2M$

To calculate the mass of solute, we use the equation used to calculate the molarity of solution:

$\text{Molarity of the solution}=\frac{\text{Mass of solute}\times 1000}{\text{Molar mass of solute}\times \text{Volume of solution (in mL)}}$

Molar mass of HCl = 36.5 g/mol

Molarity of solution = 2 M

Volume of solution = 500 mL

Putting values in above equation, we get:

$2mol/L=\frac{\text{Mass of solute}\times 1000}{36.5g/mol\times 500}\\\\\text{Mass of solute}=\frac{2\times 36.5\times 500}{1000}=36.5g$

Hence, the mass of HCl present in 500 mL of acid solution is 36.5 grams

4 0

3 years ago

A form of energy that is related to its temperature...

Montano1993 [528]

Answer:

thermal

Explanation:

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3 years ago

Given the following balanced equation:

svetlana [45]

So you would just take the coefficient and put it into ratio form

Answers:
1) 4:5
2)4:6
3)6:4
4)6:6
5)6:4

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2 years ago

Which fossil fuel is mainly used for heating and cooking?

Anna [14]

I would say C. petroleum

A is wrong

B is impractical for "mainly used"

D thats too expensive

4 0

3 years ago

Read 2 more answers