The products obtained by cracking an alkane, X, are methane, ethene and propene. The mole fraction of ethene in the products is 0.5. What is the identity of X?. A C6H14. B C8H18. C C9H20. D C11H24.

How does rust serve as a preservative?

How does light interact with matter

Which of the following is the correct definition of nuclear energy? A. energy stored in chemical bonds of molecules B. energy produced from the splitting of atoms C. energy an object has because of its motion or position D.

Which material is a mixture? a water b methane c air d magnesium

What is needed for the ice cubes to change into its liquid form?

Name two alternative for solar power

In an oxidation-reduction reaction, what happens to the electrons in the reduction process? A. Electrons are bonded. B. Electrons are gained. OC. Electrons are lost. D. Electrons are replaced.

Describe the energy in nuclear fuel and the way in which it's converted to electrical energy.

What is the concentration of O2 (g), in parts per million, in a solution that contains 0.008 gram of O2 (g) dissolved in 1000. grams of H2O (l) ?

Give the mass percent of carbon in C14H19NO2?