If an increase of 1 degree in global temperatures causes the Arctic Ocean to remain ice-free for two additional weeks each year, how will it affect the ocean’s annual average albedo? Why? Please I need help with this question!
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On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.