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Question: Osmium is one of the densest elements known. What is its density if 2.72g has a volume of 0.121 cm³?

Question: Calculate these masses

a) What is the mass of 6.00 cm³ of mercury, density = 13.5939 g/cm³?

b) What is the mass of 25.0 mL octane, density = 0.702 g/cm³?

Why do we use an object's mass, rather than its weight, to indicate the amount of matter it contains?

Question: Calculate these masses

a) What is the mass of 4.00 cm³ of Sodium, density = 0.97 g/cm³?

b) What is the mass of 125 mL gaseous chlorine, density = 3.16 g/L?

Calculate these volumes.

a) What is the volume of 25g of iodine, density = 4.93 g/cm³?

b) What is the volume of 3.28 g gaseous hydrogen, density = 0.089 g/L?

Calculate these volumes.(a) What is the volume of 11.3gmgraphite, density2.25g/cm³?

(b) What is the volume of 39.657gm bromine, density 2.928g/cm³?

Convert the boiling temperature of gold, \(2966{\rm{ }}^\circ C,\) into degrees Fahrenheit and kelvin.

Question: What is the ratio of the average kinetic energy of a \({\rm{S}}{{\rm{O}}_{\rm{2}}}\) molecule to that of an \({{\rm{O}}_{\rm{2}}}\) molecule in a mixture of two gases? What is the ratio of the root mean square speeds, \({{\rm{u}}_{{\rm{rms}}}}\), of the two gases?

Convert the temperature of scalding water, \(54{\rm{ }}^\circ C,\) into degrees Fahrenheit and kelvin.

Convert the temperature of the coldest area in a freezer, \( - 10{\rm{ }}^\circ F,\)to degrees Celsius and kelvin.