If a sound source is producing sound with a steady pitch and it is vibrating with a frequency of two waves per second then how many times would it move back and forth in 10 seconds?

For each of the following mixtures decide if filtering would be suitable to separate the substances. explain your answers. oil in water sugar in water sand in water chalk in water tea leaves in a cup of tea

Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?

Ab c or d ? i’m not sure what the answer is