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Alex Ar [27]
3 years ago
8

Look at the reaction below.

Chemistry
2 answers:
HACTEHA [7]3 years ago
6 0
The acid is H2SO4(an)
solong [7]3 years ago
4 0

Answer: H_2SO_4 is a acid.

Explanation: Acid is anything which donates H^+ ions and in this reaction H_2SO_4 is donating H^+ ions, therefore it is considered as an Acid.

This reaction is a type of reaction an acid undergoes that is when an acid reacts with metal it produces metal salt and hydrogen gas

2HA(aq)+2M(s)\rightarrow 2MA(aq)+H_2(g)

and the given reaction is

H_2SO_4(aq)+Mg(s)\rightarrow MgSO_4(aq)+H_2(g)

where, H_2SO_4 = Acid

Mg = metal

MgSO_4 = Metal Salt

H_2 = Hydrogen gas

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if you had 16 tiles and each tile cost 80 cents how much change would you dmget back if you paid with 2 100 bills
olasank [31]

16 tiles x 0.80 = $12.80

If you have two 100 dollar bills, you have 200 dollars.

$200 - $12.80 = $187.20

5 0
3 years ago
Compounds form as a result of chemical
vampirchik [111]

Answer:A compound is formed as a result of chemical reaction, between the constituent elements

Explanation:

A compound is formed as a result of chemical reaction, between the constituent elements. The properties of compound are different from the properties of the elements from which it is formed. Ex. Compounds can be further divided into three classes : acids, bases and salts, on the basis of their properties.

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Can i has help?
Lerok [7]

Answer:

water, lead, and wood

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2 years ago
A mixture of CO2 and Kr weighs 41.0 g and exerts a pressure of 0.729 atm in its container. Since Kr is expensive, you wish to re
Elena-2011 [213]

Answer:

a) 24.31 g

b) 16.69 g

Explanation:

A mixture of CO2 and Kr weighs 41.0 g and exerts a pressure of 0.729 atm in its container.

After the CO2 is completely removed by absorption with NaOH(s), the pressure in the container is 0.193 atm.

Therefore, Pressure of Kr = 0.193 atm

Pressure of CO2  = 0.729 - 0.193 = 0.536 atm

Their mole fraction can be also determined as follows:

CO2 = \frac{Presssure due to CO_2}{Total pressure}

CO2 = \frac{0.536}{0.729}

= 0.735

Also; for Kr ; we have

Kr = \frac{0.193}{0.729}

Kr = 0.265

Molar mass of CO2 = 44 g/mol

Molar mass of Kr = 83.78 g/mol

Mass of CO2 = mole fraction * molar mass = 0.735 * 44 = 32.34

Mass of Kr = 0.265 *  83.78 = 22.20

Total mass = 32.34 +22.20 = 54.54

The Percentage of gas in mixture is  as follows:

% CO2 = \frac{32.34}{54.54}* 100 %

= 0.5930

= 59.30%  

(a) Mass of CO2 in mixture = 0.5930* 41 g = 24.31 g

% Kr =\frac{22.20}{ 54.54} * 100 %

= 0.407

= 40.70 %

(b) Mass of Kr in mixture = 0.407 * 41 = 16.69 g

4 0
3 years ago
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