How many grams of a 26.9% sugar solution contain 49.0 g of sugar?

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?