Acids and bases
HF
Weak acid
NH4
+1
Determine the volume in mL of 1.20 M BaCl2 solution that will completely react with 75.0 mL of 0.125 M Na3PO4 solution according to the following balanced equation:
3BaCl2(aq) + 2Na3PO4(aq) -> Ba3(PO4)2 (s)
11.71875 mL
The energy associated with the motion of an object
Kinetic energy
a Blank is a point at which a standing wave has zero amplitude
node
CH3CO2H
Weak Acid
CO3
2-
Select the correct set of products for the following reaction: Ba(OH)2(aq) + HNO3 (aq) ->
Ba(No3)2(aq)+h2o(l)
A gas absorbs 0.5J of heat and then performs 13.1 J of work. The change in internal energy is:
-12.6J
What is the frequency of light having a wavelength of 360nm
8.3 x10^4
HNO3
Strong Acid
Cr2O7
2-
Select the precipitate that forms when the following reactants are mixed\\
Mg(Ch3COO) (aq) +BaCl2 (aq) ->
NaCl2
The specific heat capacity of copper is 0.385 J (g. C). If 34.2 g of copper, initially at 25 C, absorbs 7.880 kj of heat. What will be the final temperature of the copper
623 C
Electrons in an orbital of l=3 are in an
f orbital
NH3
Weak base
No2
-1
what is the oxidation number in Fe(NO3)3
+3
Given the thermochemical equation: 2SO2 +O2-> 2SO3. delta H= -198 kj/mol, what is the enthalpy change for the decomposition of one mole of SO3?
99 KJ/mol
Calculate the energy, in joules, required to excite a hydrogen atom by causing an electronic transition from the n = 1 to the n = 4 principal energy level.
2.04 x 10^
KOH
Strong Base
ClO4
-1
which of the following is oxidized
Fe+Ag2O -> FeO +2Ag
Ag
The first law of thermodynamics
is a statement of conservation of energy
What is the energy in joules of one mole of photons associated with red light of wavelength 7.00 102 nm?
1. University 1.71 x 10^5