A sample of helium gas has a volume of 6.50 L at a pressure of 845 mmHg and a temperature of 25 °C. What is the final pressure of the gas, in atm, when the volume is change to 1850 mL and the temperature of the gas is changed to 325 K, if the amount of gas does not change?

a. 3238 atm
b. 3230 am
c. 4.25 atm
d. 4.19 am

Which of the following mining methods disrupts the sea floor?

List the two type of transporst that the cell in orde to transport molecules acroos the membrane

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?