Compounds and Naming
The proper name for CuCl3
Copper iii chloride
How you convert from moles to grams
Moles x Molar Mass
The definition of isoelectronic
Same amount of valence electrons
Valence electrons for PH3
8
Avagadros Number
6.022x1023
Multiply by 108
Is this balanced:
Fe(NO3)3 + 3Na2CO3 -> 6NaNO3 + Fe2(CO3)3
No!
2Fe(NO3)3 + 3Na2CO3 -> 6NaNO3 + Fe2(CO3)3
The possible values of the principal quantum number
1 to infinity
What is the shape of NH3
Trigonal pyramidal
The proper name for ICl5
Iodine Pentachloride
Density of a 3600g metal block with a length of 10cm, a width of 5cm, and a height of 6cm
d=12g/cm3
Which is reduced:
Sn2+ + Cr3+ -> Sn4+ + Cr+
Cr3+
Noble gas notation for Silver
[Kr] 4d105s1
Formal charge on the nitrogen in NO3-
+1
The oxidation number on phosphorus in H2PO4-
+5
The percent composition of sulfur in H2SO4
%comp=((# of atom)(molar mass of atom))/(total mass) x100
32.6%
% yield when 1.2 moles N2 and 3.0 moles H2 react to make NH3 if the actual yield is 28g
82.35%
The number of unpaired electrons in Germanium
SP2
The line spectrum for an element has a frequency of 6.00x1015s-1. What is the energy per mole of photons in J?
2.39x106 J
What is the speed of light converted to kilometers per hour?
1.08x109 km/hr
MUST GET BOTH PARTS RIGHT:
q when 50g of Copper (specific heat capacity is 0.38J/g K) goes from 25C to 70C? (in kJ)
Exothermic or Endothermic?
0.855kJ
endothermic
Which is the largest:
S, Sr, Sn, Sb, Si
Sr
Bond angle for H2O
104.5
Ammonia is an ideal gas at -32C.
If the temperature is increased to room temperature for this gas and its pressure is 1atm, what was the initial pressure?
Bonus 100:
What is this pressure in mmHG?
0.809atm
0.001mmHG