Is it true that polyphonic ions always carry a positive charge?

What is the advantage of using refrigerant identification equipment?

What is the ∆G for the following reaction under nonstandard conditions for the formation of NH4NO3 (s) ?. 2NH3 (g) + 2O2 (g) NH4NO3 (s) + H2O (l). Given:. NH4NO3: ∆Hf = - 365.56 kJ ∆Sf = 151.08. NH3: ∆Hf = - 46.11 kJ ∆Sf = 192.45. H2O: ∆Hf = - 285.

Calculate the osmotic pressure of a 0.237m aqueous solution of sucrose, c12h22o11, at 37 degrees celsius

What scientists do that is the basis of their investigations

shayla was late for school. she ran the last half mile in four minutes. what was her average speed in miles per hour

Which is a waste product of aerobic respiration? A. water B. energy C. oxygen D. glucose

Match the following: Part A 1. matter with no definite shape or volume 2. matter with no definite shape but with definite volume 3. the process of a solid changing directly to a gas without forming a liquid 4.

What is the mass in grams of 390 mL

Around 1910, Rutherford bombarded gold foil with alpha particles. Most of the alpha particles passed straight through. To his surprise, a smaller number were deflected by 180°. This summary recounts the scientific discovery of A.

What is the density? Mass = 120 g Volume = 96 mL