All categories

3 years ago

Why ammonium is not a molecular ion

Chemistry

1 answer:

In-s [12.5K]3 years ago

3 0

Answer:

See below

Explanation:

Ammonium $(NH_{4}^+)$ is not a molecular ion because it is just a poly-atomic ion. A molecular ion has a "negative or positive charge" as a whole but the positive charge on here is not on the whole. So, it is a poly-atomic ion and not molecular ion.

You might be interested in

water is added to 200. ml of a 2.0 m solution of cacl2 to increase the volume of the solution to 450.ml. what is the new concent

Nataly [62]

Answer:

1.11 M

Explanation:

Please refer to the attachment

7 0

3 years ago

Haw does an atom change if all of it’s electrons removed

I am Lyosha [343]

The atom becomes positively charged.
Hope this helps!

8 0

3 years ago

Read the summary below. Choose the answer that BEST fits into the blank to complete the summary.

777dan777 [17]

Answer:

An atom has a nucleus, made up protons and neutrons, which is surrounded by a cloud of electrons.

Explanation:

An atom is the smallest indivisible part of any element that takes place in a chemical reactions.

These are the fundamental building blocks of every element and even compounds.

There are three known subatomic particles found within an atom.
Electrons are the negatively charged particles in an atom
Protons are the positively charged particles of an atom
Neutrons do not carry any charges.

Both protons and neutrons are located within the tiny space called nucleus at the center of an atom.

Electrons moves round in orbitals at the spaces outside of the nucleus.

4 0

2 years ago

Write the balanced molecular and net ionic equations for the reaction between aluminum metal and silver nitrate. identify the ox

asambeis [7]

Well in this case, silver nitrate is reduced:

Ag+ + e− → Ag(s) ↓

Meanwhile, the aluminum is oxidized forming a positive ion:

Al(s) → Al3+ + 3e−

To get the overall reaction, we add the half equations so that the electrons are eliminated:

Al(s) + 3Ag+ → Al3+ + 3Ag(s)

And similarly:

Al(s) + 3AgNO3(aq) → Al(NO3)3(aq) + 3Ag(s)

4 0

3 years ago

Read 2 more answers

Hydrogen gas (a potential future fuel) can be formed by the reaction of methane with water according to the following equation:

rusak2 [61]

Answer:

60.42% is the percent yield of the reaction.

Explanation:

Moles of methane gas at 734 Torr and a temperature of 25 °C.

Volume of methane gas = V = 26.0 L

Pressure of the methane gas = P = 734 Torr = 0.9542 atm

Temperature of the methane gas = T = 25 °C = 298.15 K

Moles of methane gas = n

$PV=nRT$

$n=\frac{PV}{RT}=\frac{0.9542 atm\times 26.0L}{0.0821 atm L/mol K\times 298.15 K}=1.0135 mol$

Moles of water vapors at 700 Torr and a temperature of 125 °C.

Volume of water vapor = V' = 23.0 L

Pressure of water vapor = P' = 700 Torr = 0.9100 atm

Temperature of water vapor = T' = 125 °C = 398.15 K

Moles of water vapor gas = n'

$P'V'=n'RT'$

$n'=\frac{PV}{RT}=\frac{0.9100 atm\times 23.0L}{0.0821 atm L/mol K\times 398.15 K}=0.6402 mol$

$CH_4(g)+H_2O(g)\rightarrow CO(g)+3H_2(g)$

According to reaction , 1 mol of methane reacts with 1 mol of water vapor. As we can see that moles of water vapors are in lessor amount which means it is a limiting reagent and formation of hydrogen gas will depend upon moles of water vapors.

According to reaction 1 mol of water vapor gives 3 moles of hydrogen gas.

Then 0.6402 moles of water vapor will give:

$\frac{3}{1}\times 0.6402 mol=1.9208 mol$ of hydrogen gas