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timurjin [86]
3 years ago
13

What is a solution

Chemistry
1 answer:
Bezzdna [24]3 years ago
5 0
The answer is C. A solution is a mixture of one substance dissolved in another.
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arsen [322]
Hypothesis because law don’t make sense and theory is for something that already has data behind it. In this case you don’t do it’s not hypothesis
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What type of science is chemistry?
d1i1m1o1n [39]

Answer:

It is learning about chemical reactions. In chemistry you learn about the elements of the periodic table and how reactive they are.

Explanation:

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A hydraulic system is designed to lift cars for inspection in a service station. The narrow end of the system has a surface area
fiasKO [112]

<u>Given:</u>

Surface area at the narrow end, A1 = 5.00 cm2

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Surface area at the wide end, A2 = 725 cm2

<u>To determine:</u>

Force F2 applied at the wide end

<u>Explanation:</u>

Use the relation

F1/A1 = F2/A2

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Ans: (b)

The force applied at the wide end = 11,745 N

5 0
3 years ago
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The vapor pressure of ethanol is 400. mmhg at 63.5°c. its molar heat of vaporization is 39.3 kj/mol. what is the vapor pressure
Vilka [71]

Answer: -

100 mm Hg

Explanation: -

P 1 =400 mm Hg

T 1 = 63.5 C + 273 = 336.5 K

T 2 = 34.9 C + 273 = 307.9 K

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R = 8.314 J ⁻¹K mol⁻¹

Now using the Clausius Clapeyron equation

ln (P1 / P2) = ΔHvap / R x (1 / T2 - 1 / T1)

Plugging in the values

ln (400 mm/ P₂) = (39.3 x 10³ J mol⁻¹ / 8.314 J ⁻¹K mol⁻¹) x (\frac{1}{307.9 K} - \frac{1}{336.5 K}

= 1.38

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3 years ago
Negative<br> in your own words, why dose a car have<br> accelerction when it stops at a stop light?
Firlakuza [10]

Answer:

since it has lower mass. the force acting on it results in larger acceleration.

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3 years ago
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