A compound contains only C, H, and O. A 0.1000 g sample burns completely in oxygen to form 0.0930 g water and 0.2271 g CO2. Calculate the mass of each element in this sample. What is the empirical formula of the compound.

Astring that is fixed at both ends has a length of 1.05 m. when the string vibrates at a frequency of 91.0 hz, a standing wave with five loops is formed. (a) what is the wavelength of the waves that travel on the string? (b) what is the speed of the waves? (c) what is the fundamental frequency of the string?

The particles of an ice cube at 0°c (represented by the blue circles) come in contact with the particles of juan’s hand at 37°c (represented by the orange circles). which diagram correctly represents the temperature of the two substances and the direction of heat flow?

What is the increase in density of a medium due to wave travel?