Study the given map of industrial centers of the United States. Then, write a paragraph explaining why Pittsburgh's location helped it to become the steel-making capital of the United States.

Compare and Contrast the positions of the Democratic Party and the Populist Party with regard to racial equality.

Plants and animals depend on glucose $(C_6H_{12}O_6)$ as an energy source. Calculate the number of moles of each element in 1.25 mol $C_6H_{12}O_6$.

Explain how molar mass relates the mass of an atom to the mass of a mole of atoms.

State the conversion factor needed to convert between mass and moles of the atom fluorine.

Convert each given mass to number of representative particles. Identify the type of representative particle, and express the number in scientific notation. 0.120 kg Ti

Convert each given mass to number of representative particles. Identify the type of representative particle, and express the number in scientific notation. $4.56 \times 10^{3}$ g Si

What is the mass in grams of each of the following? $1.50 \times 10^{15}$ atoms U

What is the mass in grams of each of the following? $1.50 \times 10^{15}$ atoms N

What is the mass in grams of each of the following? $3.40 \times 10^{22}$ atoms He

What is the mass in grams of each of the following? $1.00 \times 10^{24}$ atoms Mn

What is the mass in grams of each of the following? $6.02 \times 10^{24}$ atoms Bi

Convert each mass to moles. Express the answer in scientific notation. 1.00 kg Fe

Convert each mass to moles. Express the answer in scientific notation. $1.25 \times 10^{3} \mathrm{g} \mathrm{Zn}$