A scientist needs to store 28.0 moles of xenon gas at STP in the lab. What size gas tank

will he need?

376 L

473 L

628 1

219 L

A positive particle in the nucleus of an atom? proton, electron, electric charge, attract, repel, positive ion, negative ion

423.3 mL of gas is at 49.2 C. It is compressed to a volume of 79 mL. What is the new temperture. Express your answer in Kelvin.

Which mineral property is easily observed but can be unreliable when it comes to mineral identification

The alkali metals all have A - 4 electrons in their outer energy level B - 3 electrons in their outer energy level C - 2 electrons in their outer energy level D - 1 electron in their outer energy level

Butane - ethane - methane - propane: What do these hydrocarbons have in common? A) The same number of carbons present. B) They all have polar covalent bonds. C) They all have single covalent bonds. D) They have the same structural formulas.

What are some reasons why the research should be put through a peer-review process?

Match the formula for the following compound: HgO2 Mercury (IV) oxide Mercury (II) oxide Mercury dioxide Mercury oxide

In a river, long boulders are transporting by

Molar heat of condensation/vaporization of energy definition chemistry

What do different rock textures of metamorphic rock reflect