# Physical

posted by .

A soild cube of aluminum (density2.70g/cm^3) has a volume of 0.200cm^3 . It is known that 27.0g of aluminum contains 6.02x10^23 atoms .
How many aluminum atoms are contained in the cube ?

• Physical -

.2 cm^3 * 2.7g/cm^3 * 6.02*10^23atoms/27.0g = 1.204*10^22 atoms

## Respond to this Question

 First Name School Subject Your Answer

## Similar Questions

1. ### Materials Science

A cube of aluminum contains 10^21 atoms. how long is its edge(in mm)?
2. ### Science

How many atoms of aluminum can be produced by the decomposition of 47.1 g of Al2O3?
3. ### Chemistry

Knowing that 2 aluminum atoms and 3 chlorine molecules react to produce 2 units of aluminum chloride, how many moles of aluminum chloride can be produced by reacting 7.8 moles of chlorine with excess aluminum?
4. ### Chemistry

The density of aluminum is 2.70g/cm3. If a cube of aluminum weighs 13.5 grams whatis the length of the edge of the cube. I need help with the formula to figure this one out.
5. ### Physics

An aluminum cube that has an edge length of 7 cm. is placed in a beaker of water that is filled to the brim. As a result the water overflows. what volume of water overflows when the aluminum cube is submerged in the water?
6. ### physics

A cube of aluminum is 4cm on each side.find the mass of the cube. (Density of aluminum is 2.7g/cm3
7. ### chemistry

an aluminum cylinder is 10.0 cm in length and has a radius of .25 cm. if the mass of a single atom of aluminum is 4.48X10^-23 calculate the number of aluminum atoms present in the cylinder. the density of aluminum is 2.70 g/cm^3 Please …
8. ### Algebra

The density of aluminum is 2.70 g/cm3, and the average mass for one aluminum atom is 4.48×10-23 g. Five identical aluminum coins are found to displace a total of 2.50 mL of water when immersed in a graduated cylinder containing water. …
9. ### Science

A piece of aluminum has a mass of 39.15g and a volume of 14.5cm cube. Determine the density of the aluminum. What would the density be of a much larger piece of aluminum?
10. ### Physics/Chem

A cube of aluminum 24.0 cm on each side is cooled from 128 °C to 20 °C. If the energy removed from the aluminum cube were added to a copper cube of the same size at 30 °C, what would be the final temperature of the copper cube?

More Similar Questions