A 2.0 L flask contains hydrogen at a pressure of 3.0 atm and a temperature of 27° C. Suppose the flask is heated at a constant
volume and the pressure changes to 4.5 atm. What is the final temperature?

Niobium forms a substitutional solid solution with vanadium. compute the number of niobium atoms per cubic centimeter for a niobium-vanadium alloy that contains 24 wt% nb and 76 wt% v. the densities of pure niobium and vanadium are 8.57 and 6.10 g/cm3, respectively

Which of the following is an example of units for speed

The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2