Answer:
Reaction quotient, Q, is 0.44
Explanation:
For the reaction:
C(s)+H₂O(g) ⇌ CO(g)+H₂(g)
Reaction quotient Q, at any course of the reaction, is defined as:
Q = [CO][H₂] / [H₂O]
Concentration of reactants is:
[CO] = 3.20mol / 3.75L = 0.853M
[H₂] = 8.20mol / 3.75L = 2.187M
[H₂O] = 15.9mol / 3.75L = 4.24M
Replacing, Q is:
Q = [0.853][2.187] / [4.24]
<em>Q = 0.44</em>
<em></em>
Symbol: Cn
Element: Copernicium
Atomic mass: [277]
Atomic number: 112
Answer:
Increasing the current would strengthen the
<u>electromagnetisn</u>
We already know the molar mass of C is 12.01g/mol, of H is 1.008 g/mol, and of O is 16g/mol.
If the molecular formula were also the empirical formula (which is CH2O), then it would have a molar mass of:
12.01g/mol +2*(1.008g/mol)+ 16g/mol= 30.03g/mol
However, the actual molar mass of the molecular formula is 60.g/mol, which is about twice as large as 30.03g/mol. Therefore, we have to multiply the empirical formula by 2.
The molecular formula of this compound is (2) C2H4O2.
Hope this would help~
