The density of aluminum is 2. 70 g/cm3. A square piece of aluminum foil 22. 86 cm on one side weighs 2. 568 g. What is the thickness of the foil in mm?.

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.)

Which of the following is true about the speed of light? it depends on the wavelength.

As light moves from one material into the next, which of the following affects how much the light waves will refract, or bend? angle at which the ray strikes the medium color of the material density of the material temperature of the light wave