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What is the general rule for the molecular formula for alkanes? Therefore what is the formula for an alkane with 7 carbons, and what is it called?

C_nH_2n+2C₇H₁₆Heptane

1817 Views

Describe the arrangement of protons, neutrons and electrons in an atom of Neon (Atomic No. 10, Atomic Weight 20.18). You may use diagrams to aid you.

A fully-marked answer would contain each of these points, or clear diagram equivalent
10 protons10 neutrons10 electrons, arranged with 2 in the inner 's' shell and 8 in the 'p' shell

Answered by Zach L. • Chemistry tutor

2524 Views

Describe and Explain the trend in Volatility of Group 7 Elements

The group 7 elements become less volatile as you go down the group. This is because as you go down the group the molecules become larger and contain more electrons. Therefore there are Greater London forc...

Answered by Ruby O. • Chemistry tutor

16042 Views

Name the three steps in free radical substitution and give an example equation for each

Initiation: Cl2 (+UV) -> Cl + Cl Propagation: Cl + CH4 -> HCl + CH3 Termination: CH3 + Cl -> CH3Cl

Answered by Arwen G. • Chemistry tutor

1750 Views

A reaction, A + B -> C, is considered second order with respect to A and first order with respect to B. What is the effect of simultaneously doubling the concentration of A and B on the rate of reaction?

"second order with respect to A" tells us that doubling the concentration of A will cause the reaction rate to increase by a factor of 4."first order with respect to B" then tells us t...

Answered by HENRY J. • Chemistry tutor

1992 Views