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DIA [1.3K]
3 years ago
6

Which information is represented by a line on this map?

Chemistry
1 answer:
Ivanshal [37]3 years ago
4 0
The correct answer is:  [A]:  "<span>points with the same elevation" .
________________________________________________________</span>
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Benzene and toluene form ideal solutions. Consider a solution of benzene and toluene prepared at 25∘C. As suming that the mole f
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XL(toluene) = 0.77

XL(benzene) = 0.23

Explanation: see attachment

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2K + Br2 --> 2KBr is the answer

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Which of the following is ONE of the signs of a chemical change
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A child has a toy balloon with a volume of 1.80 L. The temperature of the balloon when it was filled was 293 K at a pressure of
Mekhanik [1.2K]

Answer:

2.42L

Explanation:

Given parameters:

V₁  = 1.8L

T₁ = 293K

P₁  = 101.3kPa

P₂ = 67.6kPa

T₂  = 263K

Unknown:

V₂ = ?

Solution:

To solve this problem, we are going to use the combined gas law to find the final volume of the gas. The combined gas law expression combines the equation of Boyle's law, Charles's law and Avogadro's law;

               \frac{P_{1} V_{1} }{T_{1} }   = \frac{P_{2} V_{2} }{T_{2} }

All the units are in the appropriate form. We just substitute and solve for the unknown;

         101.3 x 1.8 / 293    =     67.6 x V₂  /  263

          V₂   = 2.42L

7 0
3 years ago
Write the word and balanced chemical equations for the reaction between:
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Answer:

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