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frutty [35]
3 years ago
9

What are two examples of a soulution?

Chemistry
1 answer:
Anni [7]3 years ago
3 0
Which type of solution are you talking about?
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Given the balanced equation representing a reaction:
zhenek [66]
The answer is (3). The powdered iron and the piece iron is the same substance and is just different in the shape. So the reason is the power has larger surface area for reaction occurs.
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17 POINTS (SERIOUS ANSWER ASAPP)
katovenus [111]
I think the answer is C. Hope this helped. 
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3 years ago
the Temperature of a sample of an ideal gas in a sealed 5.0 l container is raised from 27 oC to 77oC. If the initial pressure of
matrenka [14]
Answer:
              The pressure increases to 3.5 atm.

Solution:
                According to Gay-Lussac's Law, " At constant volume and mass the pressure of gas is directly proportional to the applied temperature".

For initial and final states of a gas the equation is,

                                           P₁ / T₁  =  P₂ / T₂
Solving for P₂,
                                           P₂  =  P₁ T₂ / T₁    ----- (1)

Data Given;
                   P₁  =  3 atm

                   T₁  =  27 °C + 273  =  300 K
 
                   T₂  =  77 °C + 273  =  350 K

Putting values in eq. 1,

                                           P₂  =  (3 atm × 350 K) ÷ 300 K

                                           P₂  =  3.5 atm
7 0
3 years ago
A car travels 10km in 10 min so what is the average
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Average speed in km/h:

S = D/T

T = 10/60 hrs
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S = 10 / 0.1667
   =  59.988 km/h
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Write a molecular equation for the gas-evolution reaction that occurs when you mix aqueous hydroiodic acid and aqueous sodium su
Leona [35]
First, we construct the reaction equation:

Na₂SO₃ + 2HCl → 2NaCl + SO₂ + H₂O

H₂SO₃ is formed as an intermediate but decomposes to water and SO₂ gas.
6 0
3 years ago
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