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alexgriva [62]
3 years ago
10

When oil and water are mixed vigorously, the oil is broken up into tiny droplets that are dispersed throughout the water. this d

ispersed mixture is a(n)?
Chemistry
1 answer:
Bumek [7]3 years ago
4 0
Emulsion or heterogeneous mixture
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What type of reaction is this?<br> N2 + 3H2<br> 2NH3
Levart [38]

Answer:

It is a combination reaction; nitrogen and hydrogen combine to form ammonia.

Explanation:

7 0
3 years ago
An unknown metal has a mass of 86.8 g. When 5040 J of heat are added to the sample, the sample temperature changes by 64.7 ∘ C .
grandymaker [24]

Answer: The specific heat of the unknown metal is 0.897J/g^0C

Explanation:

The quantity of heat required to raise the temperature of a substance by one degree Celsius is called the specific heat capacity.

Q=m\times c\times \Delta T

Q = Heat absorbed=5040 Joules

m= mass of substance = 86.8 g

c = specific heat capacity = ?

Initial temperature of the water = T_i

Final temperature of the water = T_f

Change in temperature ,\Delta T=T_f-T_i=(64.7)^0C

Putting in the values, we get:

5040=86.8\times c\times 64.7^0C

c=0.897J/g^0C

The specific heat of the unknown metal is 0.897J/g^0C

4 0
3 years ago
Can somebody plz help answer this science questions (only 1-2 sentences is good thx !
Mrac [35]
I believe it’s because they are trying to find other things that won’t pollute the environment as much, and they are also doing this because we are trying to reduce green house gas. Sorry if i’m wrong :(
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How many atoms of carbon are represented in 3CH3CH20
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6 carbon atoms

                        H    H
                         |     |
3  x             H - C - C - O - H 
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8 0
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Classify each salt as acidic, basic, or neutral? -nh4cl -ca(no32
vichka [17]
The pH of salt depends on the component acid and base that comprise them. For example, if the salt is made up of strong acid and weak base then, the salt is acidic. If the salt is formed from strong base and weak acid then, the salt is basic. For this item, NH4Cl is acidic and also Ca(NO3)2 is acidic. 
3 0
3 years ago
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