Acids and bases
Polyatomic Ions
Stoichiometry
Thermodynamics
Chapter 6
100

HF

Weak acid

100

NH4

+1

100

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

100

The energy associated with the motion of an object

Kinetic energy

100

a Blank is a point at which a standing wave has zero amplitude

node

200

CH3CO2H

Weak Acid

200

CO3

2-

200

Select the correct set of products for the following reaction: Ba(OH)2(aq) + HNO3 (aq) -> 

Ba(No3)2(aq)+h2o(l)

200

A gas absorbs 0.5J of heat and then performs 13.1 J of work. The change in internal energy is:

-12.6J

200

What is the frequency of light having a wavelength of 360nm

8.3 x10^4

300

HNO3

Strong Acid

300

Cr2O7

2-

300

Select the precipitate that forms when the following reactants are mixed\\


Mg(Ch3COO) (aq) +BaCl2 (aq) ->

NaCl2

300

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

300

Electrons in an orbital of l=3 are in an 

f orbital

400

NH3

Weak base

400

No2 

-1

400

what is the oxidation number in Fe(NO3)3

+3

400

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

400

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^

500

KOH

Strong Base

500

ClO4

-1

500

which of the following is oxidized 


Fe+Ag2O -> FeO +2Ag

Ag

500

The first law of thermodynamics 

is a statement of conservation of energy

500

 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