Chironjit

What is the final temperature (degrees celcius) of 1.36g of water with an initial temperature of 23.0degrees celcius after 6.420J of heat is added to it?

How much heat (in {kJ}) evolves when 7.0L of C2H2(d = 1.0967kg/m^3) is mixed with a stoichiometric amount of oxygen gas? The combustion reaction is C2H2+ 5/2 O2-> 2 CO2+ H2O, Delta H=-1299.5 kJ

Use Planck's equation (E=h \nu) to determine the energy, in kilojoules per mole, of radiation of frequency 4.00×1014s^{-1} .

Calculate the de Broglie wavelength, in nanometers, associated with a 145 {\rm g} baseball traveling at a speed of 162km/h

b)Rubidium Express your answer in condensed form, in order of increasing orbital energy. c)Tellurium Express your answer in condensed form, in order of increasing orbital energy. d)Palladium Express your answer in condensed form, in order of increasing or...

The following electron configurations correspond to the ground states of certain elements. Name each element. a) [Ar]3d^10 4s^2 4p^4 b) [Ne]3s^2 3p^3 c) [Ar]3d^2 4s^2 d) [Kr]4d^1 5s^2 e) [Xe]4f^13 6s^2