IPL

Four materials are put into small containers. These materials

are then moved from the small containers into larger

containers. Which material will spread out to completely fill

a larger container?

air

ice

sand

water

Why is chemistry a science, but alchemy was not?

A metal surface becomes dull because of continued abrasion. chemical or physical

What energy conversion occurs when a solar panel uses light to provide power to a house? A) Electrical energy is converted to solar energy. B) Nuclear energy is converted to solar energy. C) Radiant energy is converted to electrical energy.

What activates a convection current the start of the flow of a liqued

If 1.00 g of a hydrocarbon is combusted and found to produce 3.14 g of co2, what is the empirical formula of the hydrocarbon?

How does an atom with too few neutrons relative to protons undergo radioactive decay? * by converting proton to a neutron by converting a neutron to a proton by emitting an alpha particle

What is the chemical formula for the compound formed between sodium and iodine?

8. Write a balanced chemical equation showing how you could prepare each of the following salts from an acid-base reaction: KNO3, NaBr, and Cas.

Is calcium carbonate a compound element or mixture?

Why do covalent bonds not involve the transfer of electrons