All categories

4 years ago

P4(s) + O2(g) → __ P4O10(s) Now we will balance O. How many O2 molecules are needed to form one P4O10 molecule?

Chemistry

1 answer:

Mnenie [13.5K]4 years ago

4 0

Answer:

Five molecules of oxygen.

Explanation:

Hello,

In this case, considering the given chemical reaction, we must write a five before the oxygen in order to equal the number of oxygen atoms at both the right and left side (ten) so phosphorous remain the same (4):

$P_4(s) + 5 O_2(g)\rightarrow P_4O_{10}(s)$

It means that five molecules of oxygen (O₂) are needed to form one molecule of tetraphosphorous decaoxide (P₄O₁₀).

Best regards.

You might be interested in

What do light bulbs emit to produce light?

Tcecarenko [31]

Answer:

light bulbs emit photons to produce light

3 0

3 years ago

Read 2 more answers

What aspect of metallic bonding is responsible for malleability ductility and conductivity of metals?

ANTONII [103]

Bonds are forces of attractions between atoms formed by the transfer of electrons or sharing of electrons. Metallic bond is a type bond that exist in metallic structures where the atoms of the metals attracts the sea of electrons in the structure.It is these metallic bonds that results to the malleability , ductility and conductivity of metals because in that the sea of electrons makes them conduct electricity. In addition the atoms of metals in the structure are ions which can slide past each other in the sea of electrons.

4 0

3 years ago

The effective nuclear charge for an atom is less than the actual nuclear charge due to

Irina18 [472]

Answer:

A = shielding.

Explanation:

The addition of electron causes the atomic size increase from top to bottom due to increase in atomic number.

As the atomic number increased one more electron is added and because of this electron on more electronic shell is added. Thus the electron become more away from the nucleus as many of other electrons are present in the way from nucleus to the outer electrons.

The hold of nucleus becomes weaker. Although nuclear charge is also increased but at the same time other electrons shield the respective electrons. So effective nuclear charge is weaker than the actual nuclear charge.

Because of this shielding it is easy to remove the electrons or we can say ionization energy decreases.

3 0

4 years ago

Determine the charge of an Uut nucleus. Your response must include the numerical value and the sign of the charge

nikdorinn [45]

Answer: Charge on the nucleus of an Uut element is +113

Explanation: A nucleus of an element consists of 2 subatomic particles: Protons and neutrons

Charge on 1 neutron = 0

Charge on 1 proton = +1

Number of protons = Atomic Number of the element

Atomic Number of the element Uut = 113

Number of protons = 113

Number of neutrons = Atomic mass - Number of protons

Atomic mass of Uut = 286 amu

Number of neutrons = 286 - 113 = 173

Charge on the nucleus is calculated by:

$\text{Charge on the nucleus}=(n_n\times \text{Charge on 1 neutron})+(n_p\times \text{Charge on 1 proton})$

$\text{Charge on the Uut nucleus}=(173\times 0)+(113\times (+1))$

Charge on the Uut nucleus = +113

8 0

3 years ago

The atomic mass of an element is the sum of neutrons and A) atoms. B) electrons. C) isotopes. D) protons.

Elis [28]

Answer: D) protons.

The other option that would make the most sense would be electrons, however the mass of an electron is so small that is basically negligible, so it's not included in the atomic mass.

3 0

4 years ago

Read 2 more answers

__ P4(s) + __ O2(g) → __ P4O10(s) Now we will balance O. How many O2 molecules are needed to form one P4O10 molecule?

P4(s) + O2(g) → __ P4O10(s) Now we will balance O. How many O2 molecules are needed to form one P4O10 molecule?