Which elements are main compentents of the sun

The metal lid on a plastic container is sealed at 2.3 atm of pressure at a temperature of 298K. The container is placed in the trunk of a car on a cold, frigid day (T = 2°C). What is the pressure of the gas inside the can at this temperature?

If you wanted to perform a controlled experiment to test the effect of temperature on the pressure of a bicycle tire, which of the following would be necessary?

Most air pollution come from a) pollen b) forest fires c) volcanic eruptions d) burning fossil fuels

Which subatomic particle is involved in chemical bonding and is responsible for an element's reactivity?

Which value gives the number of particles in 1 mol of a substance? 6.02 1021 6.02 1022 6.02 1023 6.02 1024

How many grams of NaOH are produced with the reaction of 5.00 moles of water?

Describe the physical properties of water

Which element has the same number of valence electrons as oxygen--. a. Neon-b. Nitrogen-c. Sulfur-d. Fluorine

Approximately how many half-lives must pass for the amount of radioactivity in a substance to decrease to below 1% of its initial level?

Which piece of glassware is best suited for making accurate dilutions?