A sample of Ethane (C2H6) has a volume of 45.6 L at a pressure of 100.9 kPa and a temperature of 37.8˚C. What is the number of moles of the Sample? R=8.31 L kPa/K mol

What type of electromagnetic waves does the human eye see as the colors red blue or green a visible light waves b radio waves c infrared waves d microwaves

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

What must be in balance for temperatures to remain constant?