How many moles of nitrogen gas will occupy a volume of 8.3 L at 720 mmHg and 27 degrees C?

What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.

The molality of calcium chloride (cacl2) in an aqueous solution is 2.46 m. what is mole fraction of the solute?