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topjm [15]
3 years ago
9

Whats the difference between hetergeneous and homogeneous?

Chemistry
1 answer:
yanalaym [24]3 years ago
4 0
In Homogeneous, "Homo" means same, so homogeneous means the same nature or kind.

 Heterogeneous is the opposite. It means diverse.
 
A good way to remember is just think of homo as same. And the rest should come to you.

Hope this helps! :)
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Choose all the answers that apply.
yulyashka [42]

Answer:1 2 and 4

Explanation:

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A 25.0 mL sample of 0.105 M HCl was titrated to the equivalence point with 31.5 mL of NaOH. What is the concentration of the NaO
Andrei [34K]

Answer:  The concentration of NaOH is 0.08 M.

Explanation:-

According to the neutralization law,

n_1M_1V_1=n_2M_2V_2

where,

M_1 = molarity of HCl solution = 0.105 M

V_1 = volume of HCl solution = 25 ml

M_2 = molarity of NaOH solution = ?

V_2 = volume of NaOH solution = 31.5 ml

n_1 = valency of HCl = 1

n_2 = valency of NaOH = 1

1\times 0.105M\times 25=1\times M_2\times 31.5

M_2=0.08M

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5 0
3 years ago
Which statement describes an eletron
Vitek1552 [10]
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4 0
3 years ago
The heat of fusion for a substance is 122 joules per gram. How many joules of heat are need to melt 7.50 grams of this substance
daser333 [38]
<h3>Answer:</h3>

915 Joules

<h3>Explanation:</h3>
  • The heat of fusion is the heat that is required to convert a given mass of a substance from solid state to liquid state without change in temperature.
  • In this case, we are given specific heat of a substance as 122 joules per gram
  • It means that amount of heat equivalent to 122 joules is required to change 1 gram of the substance from solid state to liquid state.
  • Therefore, we can determine the amount of heat needed to change 7.5 grams of the substance from solid to liquid state.

1 g = 122 Joules

7.5 g = ?

       = 122 × 7.5

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Thus, 7.5 g of the substance at its melting point will require 915 Joules of heat to melt.

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Answer:1

Explanation:

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