Which one of these is a compound? a) air b) carbon dioxide c) oxygen and d) carbon

How many water molecules would be in 6 moles of water?

Marshall determines that a gas has a gage pressure of 276 kPa. What's the absolute pressure of this gas? A. 326 kPa B. 156 kPa C. 376 kPa D. 176 kPa

What type of bond is formed when electrons are transferred from one atom to another

A bird is able to easily soar when it flies over a thermal. A thermal is a current of warm air that is heated by the ground and rises up into the sky, taking the bird with it. What is this an example of? A. Conduction B. Radiation C. Contusion D.

The representative particle for zinc is the a molecule b atom c gram d formula unit

A proton moves through a region of space where there is a magnetic field B = (0.45i + 0 38j) T and an electric field E = (3.0 i - 4.2 j) x 10^3 V/m. At a given instant, the proton's velocity is V = (6.0 i + 3.0 j - 5.0 K) x10^3 m/s.

Why do they put flexible connections in the road on a bridge? Put it into five complete sentences

Why should you avoid wearing baggy clothes in the lab?

A student performs the following procedure: Procedure 1. Measure 25 grams of an unknown solid. 2. Measure 200 grams of water. 3. Pour the unknown solid and water into beaker, which weighs 50 grams. 4. Stir the solution.

When water is warm it will: * allow for solids and gases to dissolve easier make it harder for solids and gases to easily dissolve allow for gases to dissolve easier, but make it harder for solids to dissolve allow for solids to dissolve easier, but