What is the speed of a wave with a wavelength of 0.60 m and a frequency of
240 hz?
o a. 400 m/s
o b. 144 m/s
o c. 1,440 m/s
od. 40 m/s

Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?

Iwould appreciate if someone could me.

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state. a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car