Phosphorus-32 has a half-life of 14.0 days. Starting with 4.00 g of 32P, how many grams will remain after 84.0 days?

List the qualities of the atmosphere that makes it safe to live on this planet

How many moles of water vapors are formed when 10L of butane gas is burned in oxygen at STP?

Which sentence best describes the formation of igneous rock? A - lava on the surface dries up and makes arock B_melted rocks cools and forms crystals C_rocks under tremendous heat and pressure D_magma is melted rock underground

What determines the type of element that an atom makes?

Drum full of kerosene catches fire what is the simplest way to put of this fire

Is a sample of liquid nitrogen more dense than a sample of nitrogen gas

You have a balloon containing 1 L of air at STP in a vacuum chamber. What will the volume of the balloon be when you reduce the pressure by half and increase the temperature to 373 K?

Which method will correctly determine whether the forces on an object are balanced or unbalanced? A. Multiply the forces in the horizontal direction by the forces in the vertical direction. B.

Carbon is found in all known forms of life. Which statement best describes why carbon is uniquely suited to forming macromolecules such as those found in living organisms? A. Carbon forms large compounds that are not chemically reactive. B.

Name a type of asteroid and give a description.