A weather balloon full of helium with a volume of 47.1 Lat
22°C is sitting inside an aircraft hangar. The temperature of
the hangar increases to 33°C. Which equation would be
easiest to use to find the new volume of the balloon?
A. PV = nRT
B. P1V1 = P2V2
C. (V1/T1) = (V2/T2)
D. P = (F/A)

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?

According to the diagram, what sources contribute to the phosphorus found in soil? according to the diagram, phosphorus found in soil contributes phosphorus to what other sources?

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by