There is 3800 mmHg in 5 atm
Answer:
a
Explanation:
The formation of ion occurs when an atom that is said to be neutral gains or losses electrons.
At the time it gains electrons, it is regarded that a negative ion (anion) is formed.
When it loses electron, it is regarded that a positive ion (cation) is formed.
Atomic number = No of protons and electrons occurring in a neutral atom.
Given that:
Protons = 14
electron = 18
Net Charge = no of proton - no of electron
= 14 - 18
= -4
Mass number = 14 + 15 = 29
So, the chemical symbol = 
For ion with
27 proton, 32 neutrons and 25 electrons
Net charge = 27 - 25
= +2
Mass number = 27 + 32 = 59
Thus, the chemical symbol = 
This is so as the liquid you are heating is copper (II) sulfate (I think so) so when you heat it to saturation, there will still be some water molecules left behind, which will allow copper (II) sulfate crystals to be formed since there is water of crystallisation. so the formula is (CuSO4.5H2O).
Hence, if you heat it for a longer period of time when all the water has evaporated, you will obtain a white powder (CuSO4) as crystals cannot form without water of crystallisation
Answer:
10.32g
Explanation:
First thing's first, lets bring out the balanced chemical equation representing the reaction.
CaCO3(s) ⇄ CaO(s) + CO2(g)
From the question;
reaction constant K = [CO2(g)] = 0.220 atm.
To obtain number of moles of CO2, using ideal gas fomula, we have;
n = PV/RT = 0.220*10 / (0.08206*385) = 0.0696(mol)
From the stoichiometry of the equation above;
This is the amount of CaCO3 which has been converted to CaO before additional 0.230 atm CO2(g) is added.
After the additional 0.230 atm CO2(g), the equilibrium CO2 pressure is still 0.220 atm. Therefore all this additional CO2 would completely convert to CaCO3:
n = PV/RT = 0.230*10.0/(0.08206*385) = 0.0728 (mol)
Hence the total CaCO3 after equilibrium is reestablished is:
0.100 - 0.0696 + 0.0728 (mol) = 0.1032 mol
Mass = Number of moles * Molar mass
Mass = 0.1032 * 100 = 10.32g
