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- convert 2.5 g/cm^3 to kg/m^3The element neptunium has a density of 19.6 g/ml. What is the radius of a sphere of this material if it has a mass of 70kg? V=4/3pi r^3A cylinder 20cm long and 6cm in radius is made of two different metals bonded end to end to make a single bar. The densities are 4.1 g/cm3 and 6.4 g/cm3. What is the lighter density part of the bar needed if the total mass is 11094 g? Answer in units of cm
- These are the densities of several materials: 1) Aluminum: 2.70 g/cm32) Benzene: 0.8793) Copper: 8.924) Fresh Water: 1.005) Ice: 0.9176) Lead: 11.37) Oak: 0.7108) Platinum: 21.49) Tin: 7.30You have a cylinder of material 6 (if necessary, contained in a container), 5.7 cm long, radius of 0.79 cm, Calculate its mass in grams. And a pound of which material in question one weighs the most?A typical atom has a diameter of about 1.0×10^−10m. Approximately how many atoms are there along a 5.0 −cm−cm line? Express your answer using two significant figures.Is th solution above 1.17 or 1 times 17
- What is compoundThese are the densities of several materials: 1) Aluminum: 2.70 g/cm32) Benzene: 0.8793) Copper: 8.924) Fresh Water: 1.005) Ice: 0.9176) Lead: 11.37) Oak: 0.7108) Platinum: 21.49) Tin: 7.30You have a cylinder of material 6 (if necessary, contained in a container), 5.7 cm long, radius of 0.79 cm, 1) Calculate its mass in grams. 2) A pound of which material weighs the most?Please write the whole solution on a paper, much obliged