Researchers have discovered that a moon rock brought back by the apollo astronauts has a mass of 5.671 kg and a volume of 1698 cm3. what is the density of the rock?

If the same amount of cacl2 is added to equal volumes of water and maple syrup, which will have the higher temperature?

Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?

Kp is the equilibrium constant for dissociation of the propionic acid dimer. what is the sign of the slope for a plot of the natural logarithm of kp vs. inverse temperature for this reaction?