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Alexxx [7]
4 years ago
7

Which of the following compounds will experience hydrogen bonding? (2 points) NH3 HBr C2H4 H2SO4

Chemistry
2 answers:
Simora [160]4 years ago
5 0
He answer is NH3 (A)
Kruka [31]4 years ago
3 0

Answer: The molecules are NH_3 and H_2SO_4.

Explanation:

Hydrogen bonding is defined as weak electrostatic force present between the hydrogen atom on one molecule with neighboring electro-negative atom of an other molecule. Usually oxygen nitrogen and fluorine atoms forms hydrogen bonding when present in a molecule of  a compound.

From the given compounds , compound with any atom out of oxygen nitrogen and fluorine will form hydrogen bonding with the hydrogen atom present in a molecule adjacent to them.

The molecules are NH_3 and H_2SO_4.

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A discarded spray paint can contains only a small volume of the propellant gas at a
Katena32 [7]

Answer:

1.24 × 10³ kPa

Explanation:

Step 1: Given data

  • Initial pressure of the gas (P₁): 34.5 kPa
  • Initial volume of the can (V₁): 473 mL
  • Final pressure of the gas (P₂): ?
  • Final volume of the can (V₂): 13.16 mL

Step 2: Calculate the final pressure of the gas in the can

If we assume that the gas in the can behaves as an ideal gas and that the temperature remains constant, we can calculate the final pressure of the gas using Boyle's law.

P₁ × V₁ = P₂ × V₂

P₂ = P₁ × V₁ / V₂

P₂ = 34.5 kPa × 473 mL / 13.16 mL = 1.24 × 10³ kPa

5 0
3 years ago
Determine the number of constitutional isomers for Hexane and draw the structure for Hexane?​
Akimi4 [234]

Answer:

MRCORRECT has answered the question

Explanation:

five isomers

"The five isomers of hexane are: hexane, 2-methylpentane, 3-methylpentane, 2,2-dimethylbutane, and 2,3-dimethylbutane. They are constitutional isomers because they each contain exactly the same number and type of atoms, in this case, six carbons and 14 hydrogens and no other atoms.

6 0
4 years ago
Use the periodic table to answer the following question. What is the predicted order of first ionization energies from highest t
Degger [83]

B. Be > Mg > Ca > Sr

6 0
3 years ago
Read 2 more answers
⦁ Find the concentration of H+, OH-, PH and POH of 0.03 M of magnesium hydroxide which ionizes to the extent of only 1 /3 in aqu
lions [1.4K]

Answer:

pH=12.3\\\\pOH=1.7\\

[H^+]=5x10^{-13}M

[OH^-]=0.02M

Explanation:

Hello there!

In this case, according to the given ionization of magnesium hydroxide, it is possible for us to set up the following reaction:

Mg(OH)_2(s)\rightleftharpoons Mg^{2+}(aq)+2OH^-(aq)

Thus, since the ionization occurs at an extent of 1/3, we can set  up the following relationship:

\frac{1}{3} =\frac{x}{[Mg(OH)_2]}

Thus, x for this problem is:

x=\frac{[Mg(OH)_2]}{3}=\frac{0.03M}{3}\\\\x=  0.01M

Now, according to an ICE table, we have that:

[OH^-]=2x=2*0.01M=0.02M

Therefore, we can calculate the H^+, pH and pOH now:

[H^+]=\frac{1x10^{-14}}{0.02}=5x10^{-13}M

pH=-log(5x10^{-13})=12.3\\\\pOH=14-pH=14-12.3=1.7

Best regards!

4 0
3 years ago
Determine the molarity of a solution that contains 7.5 mol of HCL in 350 mL of water
Eddi Din [679]

Answer:

21.4 M

Explanation:

7.5 mole / ( 350/1000) = 21.4 M

8 0
2 years ago
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