General Chemistry Answers

Butanol is composed of carbon, hydrogen, and oxygen. If 1.0 mol of butanol contains 6.0 x 1024 atoms of hydrogen, what is the subscript for the hydrogen atom in C4Hx Санхор

At 2.50 g of SF6 is introduced into an evacuated 5-L container at 83 ºC, what pressure in atmospheres is developed?

The equilibrium constant, K_c, for the following reaction is 1.31×10^-2 at 700 K.

NH₄I(s) NH₃(g) + HI(g)

Calculate K_c at this temperature for the following reaction:

NH₃(g) + HI(g) NH₄I(s)

K_c = 

Calculate the wavelength of a particle with masses 9.11x10-31Kg travelling at speed 1.0x107 m/s and that of a ball of mass 0.1Kg travelling at 35 m/s. Comment on the significance of the wavelengths calculated.

A new element has been discovered and all you know is that it is a noble gas Predict the number of electrons in its outer orbit and possible atomic number(s)

A new element has been discovered and all you know is that it is a halogen Predict the number of electrons in its outer orbit and possible atomic number(s)

how many moles of sodium are needed to react with sulfic acid to produce 3.75 moles of sodium according to the following unbalanced reaction

Na+ H2(SO4)> Na2 (SO4)+H2

How to find wavelength with Mass given

Arrange the following species in order of (a) increasing ionic radius, and (b) increasing ionization energy: O2-, F-, Na+, Mg2+. Explain your answer in terms of nuclear charge and charge of ions.

Elements with very large ionization energies also tend to have highly exothermic electron affinities. Explain. Which group of elements would you expect to be an exception to this statement?