Search & Filtering
. If 10.0g of an organic compound is combusted in excess O2(g) to give 20.0g of Carbon (IV) oxide and 5.0g of water vapour, what is the molecular formula of the compound? Take molar mass of the compound to be 83.947g/mol.
Convert 5.32 x 10-7s to microseconds. Use only the metric system.
Which of the following statement is True, based on the following cell diagram
I⁻(aq) I I₂(s) II Br₂(l) I Br⁻(aq)(2.5 Points)
Br₂ will be oxidized in this cell
Br₂ is the oxidizing agent in this cell
I⁻ and I₂ species have the same phase
There is no salt bridge in this cell
I⁻ will be reduced in this cell
Calculate the standard free energy change for the following reaction
Sn²⁺ (aq) + Fe(s) → Sn(s) +Fe²⁺ (aq)
If E°( Sn²⁺/Sn) = - 0.14 V and E°( Fe²⁺/Fe) = - 0.44 V (Faraday constant 96,500 J/V.mol)
In each pair of compounds, which compounds has the higher boiling point? Explain
your choice.
i. Octane or 2,2,3-trimethylpentane
ii. 2,2,5-trimethylhexane or nonane
iii. Nonane or 2-methylheptane
Arrange the following compounds in order of increasing boiling point.
i. 3-methylhexane
ii. 2,2,3-trimethylbutane
iii. Heptane
iv. 2,3-Dimethylpentane
C5H12, C5H12O , C5H11Br, C4H11N
Draw all possible structures for the following compounds.
Identify positional and functional isomers.
If 10.0g of an organic compound is combusted in excess O2(g) to give 20.0g of
Carbon (IV) oxide and 5.0g of water vapour, what is the molecular formula of the
compound? Take molar mass of the compound to be 83.947g/mol
