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ANTONII [103]
3 years ago
13

A line has a slope of 5 and a y-intercept of -2.

Chemistry
1 answer:
KiRa [710]3 years ago
4 0

Answer:

+T919919 mean the x- intercept of the line

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What is the Mr of a substance where 1 mole has a mass of 11 g?
iris [78.8K]

Answer:

A mole is the amount of pure substance containing the same number of chemical units as there are atoms in exactly

12 grams of carbon-12 (i.e., 6.023 X 1023).

Explanation:

6 0
3 years ago
How much work (in J) is involved in a chemical reaction if the volume decreases from 4.35 to 1.20 L against a constant pressure
Marianna [84]

Answer:

W = -262 J.

Explanation:

Hello there!

In this case, according to the given information, we can recall the definition of work in terms of constant pressure and variable volume as follows:

W=P(V_2-V_1)

So we plug in the given pressure and volumes to obtain:

W=0.822atm(1.20L-4.35L)\\\\W=-2.60atm*L

Now, we convert this number to J (Pa*m³) by using the shown below conversion factor:

W=-2.60atm*L*\frac{101325Pa}{1atm} *\frac{1m^3}{1000L}\\\\W=-262J

Regards!

3 0
3 years ago
Hello, <br><br> So I was wondering if this is correct... Is it?
Sonja [21]
Looks correct but the second to last I would of put abiotic and biotic factors but I don’t know what’s right for you
4 0
3 years ago
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Describe the whole process of Aluminum extraction from bauxite.​
AlekseyPX

Answer:

Extraction of aluminium

Aluminium ore is called bauxite . The bauxite is purified to produce aluminium oxide, a white powder from which aluminium can be extracted. The extraction is done by electrolysis. The ions in the aluminium oxide must be free to move so that electricity can pass through it.

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3 years ago
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Give two examples of an ionic compound. Chemical name and chemical structure.
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NaCl (Sodium chloride)
LiF (Lithium fluoride)
4 0
3 years ago
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