The expression e^{0} where 'e' is Euler's number which has a value (to 4sf) of 2.718, is equal to:

e

0

1

log(e)

The expression e^{A} × e^{B} is equal to:

ln(A × B)

e × (A + B)

e^{A + B}

e^{A × B}

If A = 10^{B} which of the following will also be true?

B = A × log(10)

B = 10^{-A}

B = ln(A)

B = log(A)

If A = e^{B} which of the following will also be true?

B = A × log(e)

B = e^{-A}

B = ln(A)

B = log(A)

Calculate x if: e^{x} = 1.46

log(1.48)

ln(1.46)

1.46 / e

None of the above

Calculate x if: 10^{2x} = 0.56

-0.290

-0.553

-0.126

-0.2518

log(A × B) is equal to:

log(A) × log(B)

A × log(B)

[log(A)]^{B}

log(A) + log(B)

The concentration of hydrogen ions in a solution is given by [H^{+}] = 3.6 × 10^{-4} mol dm^{-3} Caclulate the pH of the solution (to 3sf), given that pH = log([H^{+}]), where [H^{+}] is given in units of mol dm^{-3}