Which of these solutions has the lowest frezzing point

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?

Element before carbon on the periodic table

Use the half-reactions of the reaction au(oh)3 + hi -> au +i2 +h2o to answer the questions