A 3L balloon containing 4 grams of helium at room temperature 25°C is placed in a freezer at -3°C, calculate the new volume assuming that the pressure inside the freezer is the same as outside the freezer. ​

Nitrogen (n), phosphorus (p), and potassium (k) are the main nutrients in plant fertilizers. according to an industry convention, the numbers on the label refer to the mass percents of n, p2o5, and k2o, in that order. calculate the n: p: k ratio of a 30: 10: 10 fertilizer in terms of moles of each element, and express it as x: y: 1.0.

Which statement can best be concluded from the ideal gas law?

Is 343 in the sequence -5, -2, 1, 4, 7