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Nonamiya [84]
3 years ago
13

Write a net ionic equation to show that codeine, c18h21o3n, behaves as a bronsted-lowry base in water.

Chemistry
1 answer:
Gemiola [76]3 years ago
3 0

Net ionic equation:

C₁₈H₂₁O₃N(aq) + H₂O(l) ⇄ C₁₈H₂₁O₃NH⁺(aq) + OH⁻(aq).

According to  Bronsted-Lowry theory acid are donor of protons and bases are acceptors of protons (the hydrogen cation or H⁺).

Codeine (C₁₈H₂₁O₃N) is Bronsted base and it can accept proton and become conjugate acid (C₁₈H₂₁O₃NH⁺).

pKb for codeine is 5.8.

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How many moles of CO2 are produced when 1 mole wax C31H64 is burned?<br><br> 31 32 64 or 47
Lana71 [14]

Answer:

31 moles

Explanation:

The balanced combustion reaction of the wax, C_{31}H_{64} is shown below as:

C_{31}H_{64}+47O_2\rightarrow 31CO_2+32H_2O

As seen from the reaction,

1 mole of wax, C_{31}H_{64} on combustion produces 31 moles of carbon dioxide, CO_2

<u>Hence, moles of CO_2 when 1 mole of wax, C_{31}H_{64} is burnt = 31 moles</u>

4 0
3 years ago
Read 2 more answers
A sample of nitrogen gas, stored in a 2.96-L container at 32.0°C, exerts a pressure of 4.27 atm. Calculate the number of moles o
inysia [295]

<u>Answer:</u> The number of moles of nitrogen gas is 0.505 moles.

<u>Explanation:</u>

To calculate the number of moles of nitrogen gas, we use ideal gas equation, which is:

PV=nRT

where,

P = pressure of the gas = 4.27 atm

V = Volume of the gas = 2.96 L

T = Temperature of the gas = 32.0^oC=[32.0+273]K=305K

R = Gas constant = 0.0821\text{ L. atm }mol^{-1}K^{-1}

n = number of moles of gas = ?

Putting values in above equation, we get:

4.27atm\times 2.96L=n\times 0.0821\text{ L atm }mol^{-1}K^{-1}\times 305K\\n=0.505mol

Hence, the number of moles of nitrogen gas is 0.505 moles.

6 0
4 years ago
Read 2 more answers
What do we call the stars whose properties follow the patterns?
muminat

Answer:

It is called Asterism.

Explanation:

It is Asterism because Asterism refers to a pattern of stars that are seen in night sky and are very distinctive and identifiable. These group of starts have patterns. It visually seen collection of stars and it's indicate their properties and the lines that connect the stars together. It actually range from small shapes of stars to more complex stars that cover segment of the sky. The stars may be bright naked or have similar brightness.

4 0
3 years ago
Which of the following is the correct definition of radiant energy?
torisob [31]

Answer:

energy that is transmitted in the form of electromagnetic waves.

Explanation:

Radiant energy is the energy of electromagnetic waves. It is a form of energy that can travel through space. For example, we receive the heat from the sun, which is located very far from the earth via radiation. The sun's heat is not transmitted through any solid medium, but through a vacuum.

6 0
3 years ago
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An atom has a mass number of 24 and 13 neutrons. what is the atomic number of this atom?
Elodia [21]
do ityou times 24×13=312.
3 0
4 years ago
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