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Brrunno [24]
3 years ago
15

How many mmHg are in 1.6320 atm

Chemistry
2 answers:
OverLord2011 [107]3 years ago
7 0
1240.319921657472 mmHg
Olegator [25]3 years ago
7 0

<u>Answer:</u> The correct answer is 1240.3198 mmHg.

<u>Explanation:</u>

We are given a value of pressure in atmosphere, which is 1.6320 atm.

To convert this value of pressure in mmHg, we need to use a conversion factor:

1atm=760mmHg

Converting the given value in mmHg, we get:

1.6320atm=1.6320atm\times \frac{760mmHg}{1atm}\\\\\Rightarrow 1240.3198mmHg

Hence, the correct answer is 1240.3198 mmHg.

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If the pKa value for a given acid is low, what does that say about the acid (is it weak or strong)?
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If the pKa of the acid is low (negative), then the acid is strong.

Explanation:

Ka, <em>the acid ionization constant,  </em>measures the strength of an acid in a solution. Stronger acids have higher Ka values.

We defined: pKa = -log[Ka]

This function is a decreasing function, meaning that pKa will be getting smaller and smaller,  while increasing Ka (high values of Ka will have negative pKa values). Therefore, stronger acids (high values of Ka), will have low (negative) pKa values.

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A gas occupies 200ml at a temperature of 26 degrees Celsius and 76mmHg pressure. Find the volume at -3degree Celsius with the pr
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184.62 ml

Explanation:

Let p_1, v_1, and T_1 be the initial and p_2, v_2, and T_2 be the final pressure, volume, and temperature of the gas respectively.

Given that the pressure remains constant, so

p_1=p_2 ...(i)

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T_1= 26 ^{\circ}C = 273+26 =299 K

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From the ideal gas equation, pv=mRT

Where p is the pressure, v is the volume, T is the temperature in Kelvin, m is the mass of air in kg, R is the specific gas constant.

For the initial condition,

p_1v_1=mRT_1 \\\\mR= \frac{p_1v_1}{T_1}\cdots(ii)

For the final condition,

p_2v_2=mRT_2 \\\\mR= \frac{p_2v_2}{T_2}\cdots(iii)

Equating equation (i), and (ii)

\frac{p_1v_1}{T_1}=\frac{p_2v_2}{T_2}

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v_2=\frac{T_2}{T_1} \times v_1

Putting all the given values, we have

v_2=\frac{276}{299} \times 200 = 184.62 \; ml

Hence, the volume of the gas at 3 degrees Celsius is 184.62 ml.

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3 years ago
Does heat only flow upward? Yes or No?
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Answer:

no

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