Physical Chemistry Answers

Everything around us is made up of different elements. The air has Oxygen ( O) and Nitrogen ( N). Plants and people have lots of Carbon ( C). Helium ( He) is in balloons. Hydrogen ( H) is in water.

Play until you discover which particle (or particles) determines the name of the element you build.

In compton effect scatering of x- rays with the object is wavelength is -----?

if a 0.12M solution of an acid is 4.2% ionized, calculate the pH of the solution and the dissociation constant of the acid

Heated drinking soda (NaHCO3) breaks down into Na2CO3 + CO2 +H2O. From thicker 1,15L glass flask at 23 celsius temperature and 1,05 atm pressure we pour 5,0g drinking soda. Afterwards glass flask is sealed and heated to the 357 celsius degrees. Calculate gas pressure in same glass flask at 357 celsius temperature if all NaHCO3 fully reacted.

Calculate the rotational partition function for HCl at 298 K when the moment of inertia is 2.7 x 10e-47 kgm^2 ?

Which intensive physical property is observed when the droppings of a person seated inside a closed room has able to reach a person who is 1 meter away from him after sneezing? If you were that person, what would you do to avoid this?

Three moles of helium gas at 300°C and 2.0 bar are expanded isothermally against a constant external pressure of 0.25 bar. Determine the quantities q , w , ΔU , ΔSsys , and ΔGsys for this process.

Which intensive physical property is observed when the droppings of a person seated inside a closed room has able to reach a person who is 1 meter away from him after sneezing? If you were that person, what would you do to avoid this

Which of the following reactions involve redox In each case where redox occurs state what has been oxidised and reduced
(a) NaOH +HCl --- NaCl +H2O