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vredina [299]
3 years ago
15

a graduated cylinder (approximate as a regular cylinder) has a radius of 1.045 cm and a height of 30.48 cm. what is the volume o

f the cylinder in cm^3 ( use 3.141) round to the nearest tenths.
Chemistry
1 answer:
Luba_88 [7]3 years ago
8 0

Answer: 103.5 cm^3

Explanation:

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Answer:

Enthalpy change for the reaction is -67716 J/mol.

Explanation:

Number of moles of AgNO_{3} in 50.0 mL of 0.100 M of AgNO_{3}

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According to balanced equation, 1 mol of AgNO_{3} reacts with 1 mol of HCl to form 1 mol of AgCl.

So, 0.00500 moles of AgNO_{3} react with 0.00500 moles of HCl to form 0.00500 moles of AgCl

Total volume of solution = (50.0+50.0) mL = 100.0 mL

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= \frac{-m_{solution}\times C_{solution}\times \Delta T_{solution}}{0.00500mol}

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= -67716 J/mol

[m = mass, c = specific heat capacity, \Delta T = change in temperature and negative sign is included as it is an exothermic reaction]

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In chemistry, there is a common note that says, "Like dissolves like".

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Water is a polar substance while vegetable oil is not. From the concept presented above, it may be concluded that water will not be able to dissolve the vegetable oil and the assumption is logical. 
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