A platinum wedding band contains 0.077 mol of platinum. How many atoms of platinum are in the 15-gram platinum wedding band?

When the prefix cyclo - comes before the name of a hydrocarbon, what does it mean? a. The molecule is bent. b. The molecule is linear. c. The molecule is circular. d. The molecule is branched.

Which has more volume a kilogram of gold or a kilogram of aluminum?

Out of milk and water which would be the base and the acid?

How many atoms are present in 34.96 moles of mg

What are the functions of a leaf? 1. to make food and control how much water is sent to the root 2. to store food and absorb water 3. to make lignin and allow the plant to grow 4. to make food and control how much water leaves the plant

Hemoglobin, the oxygen-carrying protein in red blood cells, has four iron atoms per molecules ad contains 0.340 percent iron by mass. calculate the molar mass of hemoglobin

Nancy wants to find out how the steepness of a hill's slope affects the amount of soil that erodes from it. She has soil, a long pan, and a pile of books with which to build a model hillside. She has a watering can to model rainfall.

Elements on the periodic table are arranged by increasing?

What is the difference between molecular formula and molecular model

The average kinetic energy of the atoms that make up a substance which is changing from a liquid to a solid is