43. Calculate the root mean square velocity (r. m. s.) of 1 mole of CO2 at 270C (mm = 44gmol-1

)

A. 4.12 x 102m/s

B. 12 x 102m/s

C. 5.2 x 102m/s

D. 1.2 x 102m/s

What state of matter can expand to fit the volume of a container

Choose the pair of substances that are most likely to form a homogeneous solution. A) KI and HgB) LiCl and C6H14C) C3H8 and C2H5OHD) F2 and PF3E) NH3 and CH3OH

Which compound does the chemical formula MgCl2 represent? A. magnesium fluorite B. manganese chromate C. molybdenum cadmium D. magnesium chloride

Which of the following scenarios best reflects financial stability from college and carrer

You heat up your oven to a temperature of 350C. You then put 20lb turkey in the oven. Why isn't the turkey instantly cooked? After all, the temperature of the oven is significantly higher than the turkey's.

A phase change from a solid to a gas is called what

What is hydrocarbon?

Why did most scientists reject Wegner's theory for nearly a half century?

Define prediction and explain how it is used to formulate a hypothesis.

A group of organisms that breed and produce offspring that can breed. A. Species B. ecosystem C. Biodiversity