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3 years ago

All atoms try to achieve---------------(minimum energy,stable energy,maximum energy,covalent energy)

Chemistry

1 answer:

sladkih [1.3K]3 years ago

6 0

Answer:

minimum energy

Explanation:

minimum energy means maximum stability

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Serggg [28]

Answer:

CARBON HYDROGEN NYTROGEN OXYGEN

Explanation:

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3 years ago

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4 years ago

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Which of the following compounds will not exist as resonance hybrid. Give reason for your answer :

Novosadov [1.4K]

Answer:

CH3OH

Explanation:

As it lacks

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3 years ago

1. 17.0 grams of xenon hexafluoride is in a solid container. How many milliliters of that gas

BlackZzzverrR [31]

Answer: The volume of gas is 3020 ml

Explanation:

According to ideal gas equation:

$PV=nRT$

P = pressure of gas = 821.4 torr = 1.08 atm (760 torr = 1atm)

V = Volume of gas in L = ?

n = number of moles = $\frac{\text {given mass}}{\text {Molar mass}}=\frac{17.0g}{245.28g/mol}=0.069mol$

R = gas constant = $0.0821Latm/Kmol$

T =temperature = $302.7^0C=(302.7+273)K=575.7K$

$V=\frac{nRT}{P}$

$V=\frac{0.069mol\times 0.0821Latm/K mol\times 575.7K}{1.08atm}=3.02L=3020ml$

Thus volume of gas is 3020 ml

4 0

3 years ago

Lactic acid, C3H6O3, is a monoprotic acid that is available in solid form. Determine the concentration of an unknown solution of

Andreas93 [3]

Answer:

0.497 moles/L

Explanation:

The reaction that takes place is:

C₃H₆O₃ + NaOH → C₃H₅ONa + H₂O

First we c<u>alculate the moles of lactic acid in 0,821 g</u>, using its molar mass:

0,821 g ÷ 90 g/mol = 9,122x10⁻³mol lactic acid

<em>One mole of lactic acid reacts with one mole of sodium hydroxide</em> (it is a monoprotic acid), so in 18,34 mL of NaOH solution there are 9,122x10⁻³moles of NaOH:

18.34 mL ÷ 1000 = 0,01834 L

9,122x10⁻³mol ÷ 0,01834 L = 0.497 moles/L

8 0

4 years ago