Question

Hi, if you know how to answer any of these please write an answer
. A gold cube has a side length of 3cm and a mass of 513g.
a) What is the volume of
the block?
b) What is the density of
the block?
2. A brass black has dimensions 4x5x3 cm and a mass of 480g.
a) What is the volume of
the block?
b) What is the density of
brass?
3. When a crown is placed in a Eureka can it pushes out 25cm3 of water. It is found to have a mass of 475g. Explain whether the crown is made of brass or gold.
4. When ice freezes it expands. Explain what effect that has on its density and how you know this must be true.

Answer 1

Answer:

1- The volume of a block, prism, or cylinder is easily calculated by multiplying the area of the base by the height/altitude of the object. When the bases are not parallel, the height or altitude of the object is from the center point of one base to the center point of the other base.

2- Density has the units of mass divided by volume such as grams per centimeters cube (g/cm3) or kilograms per liter (kg/l). A block of wood has a mass of 8 g and occupies a volume of 10

I know only these answers I hope it will help u