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Scorpion4ik [409]
3 years ago
12

PLS ANSWER FAST AHAH distilled water is a pure substance true or false ?

Chemistry
1 answer:
mr Goodwill [35]3 years ago
3 0

Answer:

True

Explanation:

If you see distilled water, it's a pure substance. That means that there are only water molecules in the liquid. A mixture would be a glass of water with other things dissolved inside, like one of those powders you take if you get sick or Kool-Aid.

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When the temperature is increased, what does not change?
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Answer:

Pressure

Explanation:

They are both equal but do not change when the other does

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3 years ago
Counting Atoms in Compound <br> 1. 4K2CO3 K=___ C=___ O=___
VARVARA [1.3K]
K= 8
C=4
O= 12

The number after the letter shows how much of that atom there is.

The 4 shows there is 4 of each after it, so 4 of the K2, C, and O3. You would want to multiply the K2, C, and O3 by 4.
8 0
4 years ago
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How many minutes in 5 years? Please show work
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4 years ago
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10. When a 13.6 g sample of a compound containing only magnesium and oxygen is decomposed, 5.4 g of oxygen is obtained. What is
irinina [24]

Answer:5.4 g / 13.6 g *100

Explanation:Its is the correct answer

7 0
4 years ago
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Which of the graphs below might represent a mixture of pure water and ice exposed to a room temperature of 3°C?
Y_Kistochka [10]

Answer:

C. Graph C  

Explanation:

We have a mixture of water and ice.

At 0 °C they are at equilibrium.

water-to-ice rate = ice-to-water rate

Next, we lower the temperature to -3 °C — just slightly below freezing.

The water will slowly turn to ice.  

The water-to-ice rate will be slightly faster than the ice-to-water rate.

The purple bar will be slightly higher than the blue bar.

Graph C best represents the relative rates

A. is wrong. The ice-to-water rate is faster, so the water is melting. The temperature is slightly above freezing (say, 3 °C).

B. is wrong. The two rates are equal, so the temperature is 0 °C.

D. is wrong. The water-to-ice rate (freezing) is much greater than the ice-to-water rate, so the temperature is well below freezing( say, -10 °C).

6 0
4 years ago
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