How much heat is needed to increase the temperature of 50.3g of water from 25 degrees celsius to 40 degrees celsius? Remember heat of water is 4.189 J/g C

It takes 945.kj/mol to break a nitrogen-nitrogen triple bond. calculate the maximum wavelength of light for which a nitrogen-nitrogen triple bond could be broken by absorbing a single photon.

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?

Why does asexual reproduction result in offspring with identicle genetic variation