How much energy is needed to raise the temperature of a 11.8 g metal block by 27.5 degrees Celsius if its specific heat is 0.71

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit