When molten rock undergoes crystallization above ground, what type of rock results?

a. intrusive igneous rock

b. extrusive igneous rock

c. metamorphic rock

d. sedimentary rock

If 450.0 mL of a 0.500 M solution is mixed with 200.0 mL of water, what is the molarity of the new solution? A. 0.346 M B. 0.625 M C. 1. 86 M D. 2.50 M

Based on the table what conclusion can the student make about relationships between elements

What is the mol:mol ratio of nonane to carbon dioxide

Which of the following is always involved in a scientific inquiry? A. knowing the correct answer before you start B. guessing what would happen instead of doing experiments C. coming up with questions based on observation and reasoning D.

How do the life of functions and unicellular organisms and multicellular organisms compare in meeting the needs for life

What is 45 divided by 5.6

Light waves come in different wavelengths and frequencies. The color of the light we see is dependent on wavelength. When we see a rainbow, we are actually seeing

Use the periodic table to determine the number of protons in an atom of arsenic (as)

Which of the following is a strong electrolyte. sugar, sodium chloride, honey vinager, carbon tetrachloride?

How do rockets work? What chemicals are used and what reactions happens with those chemicals to make a rocket fly?