Which of the following diatomic molecules is joined by a double covalent bond?
a) o two
b) cl two
c) n two
d) he two

Is 9 correct? and can someone me with 10? it’s due tomorrow, you

How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide

Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?