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KS3

Differentiate sin(2x)

2cos(2x)

MH
Answered by matthew h. Maths tutor
2337 Views

simplify the following equation: 3a x 4ab

Thinking about each term individually, we can rewrite the equation as:3 x a x 4 x a x b = then we can multiply the numbers: 3 x 4 = 12then multiply the letters: a x a = a2 (a squared) x bnow join everythi...

AD
Answered by Adam D. Maths tutor
9217 Views

CH3OH + 1.5O2 -> CO2 + 2H2O. Using the information from Table 10 of the Data Booklet, determine the theoretical enthalpy of combustion of methanol.

By definition, ΔH°rxn = Σ ΔH°f (products) − Σ ΔH°f (reactants).The enthalpy of combustion is the same as the enthalpy of reaction in this case. From Table 10, we can get t...

MC
Answered by Mark C. Chemistry tutor
22069 Views

What is Photosynthesis

Photosynthesis is the process that plants use to make their food. Photosynthesis takes part in the leaf of the cell in small structures called chloroplasts which contain chlorophyll. Reaction uses light, ...

KK
Answered by Kiren K. Biology tutor
3916 Views

Line L1 is y = 4x + 5, line L2 is 4y - 16x -2 = 0. Show that the lines are parallel to each other

4y-16x-2=04y=16x+2y=4x+0.5L1: y=4x+5 L2: y=4x+0.5Both lines have the same gradient and are therefore parallel to each other

MD
Answered by Myles D. Maths tutor
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