The number of atoms and molecules in a 1.00g water/ice cube can be determined by using Avogadro's number, which is approximately 6.022 x 10^23 molecules per mole. Since water has a molar mass of 18.015 g/mol, there will be approximately 3.34 x 10^22 molecules in 1.00g of water.
To convert between grams and moles for atoms and molecules, you will need to use the molar mass of the substance. The molar mass is the mass of one mole of a substance, expressed in grams. You can find the molar mass by adding up the atomic masses of each element in the molecule. Then, you can use the formula: Moles = Mass (in grams) / Molar mass.
An atom is the smallest unit of an element that still retains its properties. It is made up of a nucleus containing protons and neutrons, and electrons orbiting around it. Molecules, on the other hand, are made up of two or more atoms chemically bonded together. In the case of water, it is made up of two hydrogen atoms bonded to one oxygen atom.
The temperature does not affect the number of molecules in a given mass of water/ice. However, it does affect the spacing and movement of the molecules. At higher temperatures, the molecules have more kinetic energy and move faster, causing them to spread out and take up more space. At lower temperatures, the molecules have less kinetic energy and move slower, causing them to be more compacted and take up less space.
The state of matter does not affect the number of atoms and molecules in a given mass. However, it does affect the arrangement and movement of the molecules. In a solid state, the molecules are tightly packed and have little movement. In a liquid state, the molecules have more freedom to move around, but are still close together. In a gas state, the molecules are more spread out and have a lot of movement.