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Balance the equation: C4H8 + O2 goes to CO2 + H2O

Balance the carbon atoms first by adding a 4 in front of the CO2, Then balance the hydrogen atoms by adding a 4 in front of the H2O, Count up the number of oxgens on the right hand side: (4 2)+(4 1)=12 There...
JH
Answered by Jack H. Chemistry tutor
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How do we conjugate the verbs at the future ?

We take their infinitve form and we add at the end of it the following endings: -ai (je) -as (tu) -a (il/elle) -ons (nous) -ez (vous) -ont (ils/elles) Nevertheless, they are exceptions to know.
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Answered by Zoe A. French tutor
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Describe how water moves through the cells of a plant

Water moves via osmosis; this process is where water moves from an area of higher water potential to an area of low water potential with no energy required to be inputed into the system.
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Answered by Jack H. Biology tutor
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Differentiate: 6x^2 + 5x +7 =y

6x^2 + 5x +7 =y dy/dx = 12x + 5 To solve for a point of inflection: dy/dx = 12x + 5 = 0 x=-5/12 y=143/24
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Answered by Jack H. Maths tutor
5113 Views

Where does the quadratic formulae come from?

The general form of a quadratic equation is, ax 2 +bx + c = 0. If we divide all terms by a we get, x 2 +(b/a)x + c/a = 0. then by completing the square we get (x+(b/2a)) 2 + c/a - b 2 /4a 2 = 0 which rearang...
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Answered by Benjamin O. Maths tutor
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