Answer:
the answer is b, 0.89
Explanation:
A cube has a height of 8 cm and a mass of 457 g. What is its density?
a. 233,984 g/cm
b. 0.89g/cm3
c. 1.12 g/cm3
Density = mass/volume
the volume of the cube is 8X8X8=512cm3
the mass is 457 gm
the density is 457/512 = 0.889 gm/cm3
the answer is b, 0.89
High conductivity of metals is caused by electrons that are free to move through the lattice.
hope this helps!
Answer:
There are 1.8×1024 atoms in 1.5 mol HCl
Explanation:
Every mole is 22.4 L at STP
