Suppose that the microwave radiation has a wavelength of 11.6 cm . how many photons are required to heat 305 ml of coffee from 25.0 ∘c to 62.0 ∘c? assume that the coffee has the same density, 0.997 g/ml , and specific heat capacity, 4.184 j/(g⋅k) , as water over this temperature range.

How have the greenhouse gasses increased from the year 2000 to 2018

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?

Nuclear decay is the spontaneous decay of one element into a. an x-ray b. a ray of light c. another element