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DedPeter [7]
3 years ago
10

What is the difference between the plasma and gaseous states of matter?

Chemistry
1 answer:
Ivenika [448]3 years ago
8 0
In gaseous particles are slightly lighter than those in pasma which look like liquid
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Goshia [24]
The answer for this question is 0.8
8 0
3 years ago
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How much heat is required to raise the temperature of a 6.21 g sample of iron from 25.0 oC to 79.8 oC?
telo118 [61]

Answer:

151.1J

Explanation:

Given parameters:

Mass of iron  = 6.21g

Initial temperature of iron  = 25°C

Final temperature of iron  = 79.8°C

Unknown:

Amount of heat = ?

Solution:

The amount of heat require to cause this temperature can be determined using the expression below;

    H  = m c (T₂ - T₁)

H is the amount of heat

m is the mass

c is the specific heat capacity

T is the temperature

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Insert the parameters and solve;

     H  = 6.21 x 0.444 x (79.8 - 25)

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5 0
3 years ago
Aqueous solutions of potassium chloride and silver nitrate are mixed.
UkoKoshka [18]

Answer:

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6 0
3 years ago
What is the reducing agent in the reaction below?
frez [133]
Option (a) is correct.
A reducing agent is the one which loses electrons to other substance and an oxidizing agent is one which accepts electrons. 
Here, In CrO_{3}, Cr has oxidation number 6+  in the L.H.S of the equation, but on R.H.S its oxidation number is 0 i.e. it Cr has gained electrons such that total charge is 0.
And the oxidation state of Al in the left-hand side of equation is 0 and in right-hand side, it is +6.i.e. it has donated its electrons to Cr. 

Hence, Cr is the oxidizing agent and Al is the reducing agent. 
4 0
3 years ago
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Which of the following is the primary use of land in the United States?
Blizzard [7]

Answer:

pasture/range

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this is because more than 1/3 of the country's land is being used for this mean alone.

5 0
2 years ago
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