What is the boiling point of water at an elevation of 1.55×104 ft ?

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon