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Solve the simultaneous equations: 3x+7y=18 and x+2y=5

To help us to see what we need to do in this question, I would always line the equations up one above the other, and label them (1) and (2). Here we'll say that (1) is 3x + 7y =18 and (2) is x+ 2y =5 - To so...
HC
Answered by Harriet C. • Maths tutor
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Balance the following equation: C3H8 + O2 ---> CO2 + H2O

There will be no need for state symbols. First of all, to balance these equations, list the number of each atom, for both sides of the equation. In this example, it would be: Carbon: 3 Carbon: 1 Hydrogen: 8 ...
GV
Answered by Ganesh V. • Chemistry tutor
389895 Views

How would you identify interesting motifs in a novel?

Motifs in a novel are recurring and/or significant images. The most interesting motifs in a novel will be closely linked to integral themes running throughout. For example, in Cormac McCarthy's The Road , th...
TM
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Determine whether a tertiary halogenoalkane will undergo a SN1 or SN2 reaction. Explain your choice.

Tertiary halogenoalkanes will undergo a SN1 reaction. This means that there is 1 molecule in the rate determining step, which is the slowest step. Because of the bulky alkyl groups surrounding the central ca...
GV
Answered by Ganesh V. • Chemistry tutor
21229 Views

what is x+24=15

x+24-24=15-24 x=15-24=-9
RW
Answered by Ruyuan W. • Maths tutor
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