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vazorg [7]
3 years ago
8

How is a compound different from a mixture? *

Chemistry
1 answer:
andreyandreev [35.5K]3 years ago
5 0

Answer:

a.  mixtures are created through physical changes and compounds are created through chemical reactions

Explanation:

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2 years ago
Chelsi has talked to her artist friends about how much money they earn each year from working in the arts. She gathers these val
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Answer:

The median would be 6700

Explanation:

Arrange data values from lowest to highest value

The median is the data value in the middle of the set

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Ordering a data set x1 ≤ x2 ≤ x3 ≤ ... ≤ xn from lowest to highest value, the median x˜ is the data point separating the upper half of the data values from the lower half.

If the size of the data set n is odd the median is the value at position p where

Formula for the median

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x˜=xp

If n is even the median is the average of the values at positions p and p + 1 where

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3 years ago
AICI3(s)+Ca 3N2(s)-AIN(S)+CaCl2(s)
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Answer:

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8 0
2 years ago
What is the volume in liters of 3.80 moles of CO2gas at STP?
pantera1 [17]

Answer:

V = 85.2

Explanation:

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Considering what we know about STP, we get the moles, temperature, and pressure. Using the ideal gas law we can find the volume (PV = nRT). Plug in our variables: (1 * V = 3.80 * R * 273). Since we are dealing with atm and not kPA or mmHg, we use the constant for atm (0.0821) which we use for R. (So.. now our equation is 1 * V = 3.80 * 0.0821 * 273). We now multiply the right side to get 85.17054. So... V = 85.2 considering sigificant figures (this is the part where I am the least sure of, since I havent done sig figs in a while)

8 0
3 years ago
Which layer is the oldest layer? How can you tell? ​
Neporo4naja [7]

Answer:

The principle of superposition states that the oldest rock units are at rock bottom , and therefore the youngest are at the highest . Based on this, layer C is oldest, followed by B and A. So the full sequence of events is as follows: Layer C formed.

Explanation:

6 0
2 years ago
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