When Gerald mixes baking soda and vinegar, the materials combine to turn into a gas. What can Gerald assume occurred?

A benefit of using nuclear energy could be the abundance of uranium in nature. Which human risk about mining is the most important to consider?

Equal moles of H2, N2, O2, and He are placed into separate containers at the same temperature. Assuming each gas behaves ideally, which container has the highest pressure? They would all exhibit the same pressure. O2 H2 He N2

What mineral is this. Nearly rectangular in shape and approximately 5 cm by 7 cm in size. Blackish in color with a shiny but nonmetallic luster. Peels off in very thin, flexible sheets and crumbles rather easily.

It takes blank for earth to rotate on its axis

What is the symbol of the element that is classified as an alkali metal and is in period 4?

Which of the following elements has its highest energy electrons in an "s" atomic orbital? radiium (Ra) neon (Ne) aluminum (Al) lanthanum (La)

About how long does it take for the Sun to make one rotation on its axis?

Does a physical change affect the identity of a substance

If the cost of electricity is 8 cents/kWh, how much will it cost to use the light for a whole year (365 days) ?

Place the object into the graduate cylinder and record the new volume of water