Zadania z chemii IB HL

Znalezionych zadań: 12

Filtry i umiejętności1

Student B pipetted 30.00 $\mathrm{cm^3}$ of the potassium hydroxide solution into a 150

\mathrm{cm^3}

glass beaker and added the nitric acid from a burette in portions of 4.00

\mathrm{cm^3}

, recording the steady temperature after each addition. Volume of…

The enthalpy of combustion of $\ce{C15H32}$ is $-10\,040\ \mathrm{kJ\,mol^{-1}}$ . (i) Calculate the maximum amount of energy that the complete combustion of 1.75 g of pentadecane can release. (ii) The energy from burning the 1.75 g sample is used to heat…