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Sav [38]
3 years ago
11

2, classify the following molecules as polar or non polar.

Chemistry
1 answer:
Vitek1552 [10]3 years ago
7 0

A. CH4= NON POLAR

B. CH3cl= POLAR

C. CO2= NON POLAR

D.  H2O2= POLAR

E. BCl3= NON POLAR

F. H2S​= SLIGHTLY POLAR

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At a fixed volume, a four-fold increase in the temperature of a gas will lead to _______ in pressure.
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Increase in pressure

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The rise in temperature will increase the pressure of the gas.

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What is the symbol for uranium and it's atomic number?
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Surface temperatures on Venus, the hottest planet in our solar system, can reach 755K. Express this temperature in degrees Fahre
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2 years ago
A solution at 25 ∘C has pOH = 10.53. Which of the following statements is or are true? The solution is acidic. The pH of the sol
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Answer:

The true statements are:

The solution is acidic

The pH of the solution is 14.00 - 10.53.

10^{-10.53}=[OH^-]

Explanation:

The pH of the solution is defined as negative logarithm of hydrogen ion concentration present in the solution .

pH=-\log[H^+]

  • The pH value more 7 means that hydrogen ion concentration is less ,alkaline will be the solution.
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The pOH of the solution is defined as negative logarithm of hydroxide ion concentration present in the solution .

pOH=-\log[OH^-]

The pOH of the solution = 10.53

10.53=-\log[OH^-]

10^{-10.53}=[OH^-]

The pH of the solution = ?

pH+pOH=14

pH=14-pOH=14-10.53=3.47

Here, the pH of the solution is less than 7 which means that solution acidic.

8 0
2 years ago
Four (4.0) liters of helium gas are stored at 125 atm pressure. If the temperature and number of particles do not change, what w
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The only variables are pressure and volume, so we can use Boyle's Law:

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125 × 4.0 = 50V2

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        V2 = 500/50 = 10 L

The new volume will be 10 L.

5 0
3 years ago
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