A metal ice cube tray and a plastic tub of ice cream are sitting in the freezer why does the ice cube tray feel colder to the touch than a tub of ice cream

If i make a solution by adding 83grams of sodium hydroxide to 750ml i’d water what is the molarity of sodium hydroxide

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.