Asample of argon gas has a volume of 5.40 l and a temperature of 15 °c. what is the final volume, in liters, of the gas if the temperature has been increased to 42 °c at constant pressure and amount of gas?

One does not belong why? ice, gold ,wood ,diamond and table salt

What is the approximate mass of 25 cm3 of silver, if the density is 10.5 g/cm3? a. 0.42 g b. 2.4 g c. 42 g d. 260 g

Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium