4. The wavelength of a violet light wave is measured as 435 nm. a. What is this wave's frequency?

b. How much energy does this wave have?

8) warming your hands by a fire is an example if which heat transfer? a. conduction b. convection c. radiation d. none of these

The vapor pressure of ethanol is 1.00 × 102 mmhg at 34.90°c. what is its vapor pressure at 61.61°c? (δhvap for ethanol is 39.3 kj/mol.)

Amedication is given at a dosage of 3.000 mg of medication per kg of body weight. if 0.1500 g of medication is given, then what was the patient's weight in pounds (lbs)? there are 453.59g in 1 lb.