The chemical formula H2O represents which of the following substances?

What is the mass of 6.02 x 10^23 atoms of sulfur?

How does sediment form? Chemical changes cause sediment to cement together. Molten rock cools below Earth's surface. Weathering breaks down rock and other material. Loose material is compacted by pressure.

Classify these substances as acidic, basic, or neutral: Vinegar, baking soda, tomato juice, sugar A. Vinegar - acidic Baking soda - basic Tomato juice - acidic Sugar - neutral B.

which of the following contains chemical energy? A.) atoms that in motion B.) the nucleus of an atom C.) a bond between two atoms D.) The electrons of an atom

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The electron configuration 1s22s22p63s23p6 represents which noble gas?

What are some disadvantages of incinerators?

What mass of potassium chlorate would contain 40grams of oxygen?

Identical forces act for the same length of time on two different masses. The change in momentum of the smaller mass is A) smaller than the change in momentum of the larger mass, but not zero. B) zero.

How many nuclei of 238 92 U 92 238 U remain in a rock if the activity registers 290 decays per second? (Note that the half life of Uranium-238 is 4.468x109 years)