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How to find the equation of a line connecting two given coordinate points.

The equation of the line will be in the set form for a straight line, this being y = mx + cHence substitute the x and y values of one of the points into this equation.Repeat for the other coordinate.Hence so...
KS
Answered by Kazuaki S. • Maths tutor
3736 Views

How does oxidative phosphorylation produce ATP?

Oxidative phosphorylation requires the electron carrier system; comprised of four protein complexes (complexes I - IV) as well as the enzyme ATPase. These are intrinsic enzymes that line the inner mitochondr...
JB
Answered by Jack B. • Biology tutor
5257 Views

In a bag of 72 red and green marbles, 5/9 are green. What is the number of red marbles in the bag?

72 cards5/9 are green = 72/(5/9) = 40 green marbles72 - 40 = 32 red marbles
VS
Answered by Venn S. • Maths tutor
4017 Views

The student did another experiment using 20 cm3 of sodium hydroxide solution with a concentration of 0.18 mol/dm3 . Relative formula mass (Mr) of NaOH = 40 Calculate the mass of sodium hydroxide in 20 cm3 of this solution.

20/1000 *0.18 final answer 0.144 Answer must be explained in person. It is very difficult to explain in writing.
SG
Answered by Saranya G. • Chemistry tutor
5258 Views

Why is there a significant difference between the radii of first and second row transition metals, where as no difference (or even a decrease) is observed between the second and third rows?

The answer stems from the lanthanide (or lanthanoid) contraction. In more detail, there is a steady decrease in the radii of atoms from Lanthanum through to Lutetium, despite the associated increase in the a...
IB
Answered by Ioannis B. • Chemistry tutor
3306 Views