Calculate the mass of nitrogen dissolved at room temperature in a 80.0 l home aquarium. assume a total pressure of 1.0 atm and the mole fraction for nitrogen of 0.78. (the kh value for nitrogen in water is 6.1 x 10-4 m/atm.)

A student increases the temperature of a 417 cm squared balloon from 278 K to 231 K assuming constant pressure what should the new volume of the balloon be

Which material does not melt at any temperature? A. Ethanol, a molecular compound B. Iron, a metallic element C. sodium chloride, an ionic compound D. Wood, a mixture of different substance

In which substance would heat transfer by conduction work best

Calculate the energy released when 24.8 g Na2O reacts in the following reaction

Which of the following best describes a compound?

What element is used in fluorescent light fixtures?

During photosynthesis, plants transform

according to Charles law when the temperature of a gas at constant pressure is increased it

Which of the following elements are generally unreactive? a. neon (Ne) b. fluorine (F) c. xenon (Xe) d. radon (Rn)

Given the molar specific heat cv of a gas at constant volume, you can determine the number of degrees of freedom s that are energetically accessible. for example, at room temperature cis-2-butene, c4h8, has molar specific heat cv=70.6jmol⋅k.