Which has a greater momentum, a car or a bike moving at the same speed

The number at the end of an isotope’s name is the number.

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table

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?