A sample of hydrogen has an initial temperature of 50.°

c. when the temperature is lowered to - 5.0° c, the volume of hydrogen becomes 212 cm3. what was the initial volume of the hydrogen in dm3?

What substances react and form during oxidation

Which of the following could be considered a scientific statement? I believe there is life on other planets. I observed that bees prefer red flowers. I think cake tastes much better than cookies. I consider yellow a cheerful color.

Can alkenes react with potassium dichromate vi

Blue and orange, which color can be best absorbed?

From his experiments, J. J. Thomson concluded that A. cathode ray particles can move at very fast speeds. B. cathode ray particles can be moved by electric current. C. atoms contain small positively charged particles that are called protons. D.

Where does Celsius boil

In physical changes, the atoms or molecules that compose the matter do not change their identity, even though the matter may change its appearance.

The electrolyte in a typical wet storage cell or battery is a mixture of water and A. lead. B. ammonium chloride. C. sulfuric acid. D. zinc.

Express 1.5 yards in cm

22. If one is traveling at 55 mi/h, how many meters will one travel in 42.3 minutes?