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.

Initially, a particle is moving at 5.33 m/s at an angle of 37.9° above the horizontal. two seconds later, its velocity is 6.11 m/s at an angle of 54.2° below the horizontal. what was the particle's average acceleration during these 2.00 seconds in the x-direction (enter first) and the y-direction?

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx hurrim timed

An object's buoyant force and weight mean the same thing. a. trueb. false