Calculate the molarity of 0.700 mol of na2s in 1.40 l of solution.

What characteristic of radiation allows a geiger counter to measure radiation levels?

What happens to energy when Sally kicks a soccer ball? Kinetic energy is transformed to chemical energy in muscles. Potential energy is transformed to chemical energy in muscles. Kinetic energy is transferred from the leg to the soccer ball.

A saturated solution of sulfur dioxide is prepared by dissolving SO2 (g) in 100. g of water at 10.°C and standard pressure. Determine the mass of SO2 in this solution. A.) 15g to 18g B.) 40g to 43g C.) 53g to 56g D.) 6g to 8g

What relationship can you see between the mass and the volume of an object

What is the concentration of an Ammonia (NH3) solution when 25.0 g of Ammonia are dissolved in enough water to produce 650.0 mL of solution?

What larger energy does light energy come from?

Allows water to pass through easily

Which is a cause of desertification? A. farming B. creating reservoirs C. overgrazing D. driving motor vehicles

What happens when the threat of exposure to dirty air is reduced in a community? There is enough oxygen available for people's lungs to function normally The amount of indoor air pollutants released during a fossil fuel burn decreases There is a

Is chicken noodle soup an element, a compound, a homogeneous mixture, or a heterogeneous mixture?