How many moles of HNO3 are present in 450 g of HNO3?

What texture in igneous rock will result from magma cooling slowly? A. Vesicular. B. Course grained. C. Glassy D. Fine grained

Describe an ideal gas. Explain why it is impossible for an ideal gas to exist.

Explain why sharpening a pencil is different type of physical change than freezing water to make ice cubes

A sample of calcium contains 0.025 moles how many atoms are in this sample

A mixture initially contains AA, BB, and CC in the following concentrations: [A][A]A_1 = 0.550 MM, [B][B]B_1 = 1.40 MM, and [C][C]C_1 = 0.600 MM.

Which statement best illustrates why carbon is so important to living things? a. Carbon occurs as a solid, a liquid, and a gas. b. Carbon is found in both the living and nonliving worlds. c. Carbon is stored in large quantities in fossil fuels. d.

How do astronomers explain the formation of the milky way galaxy

1 What characteristic of an element determines how its atoms can bond with other atoms?

The law of conservation of mass states that during a chemical reaction, total mass is

What information is needed to write a correct chemical formula to represent an ionic compound?