A 7.546 g sample of an unknown compound was analyzed and found to contain only nitrogen andoxygen. If the mass of nitrogen present in the sample was 1.957 g, determine the empirical formula of the compound

Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest