CHM TEST

IONS

100

SO₄^-

Sulfate

200

HCO₃^-

Bicarbonate

300

MnO₄^-

Permanganate

400

OH^- and CH_2CCOO^-

Hydroxide and Acetate

500

ClO₄^-

Perchlorate

REACTIONS

100

HCl_(aq) + NaOH_(aq) --> 

H₂O_(l) + NaCl_(aq)

200

What is the limiting reactant? 

2Mg_(s) + 1O_2(g) --> 2MgO_(s)

in a mixture that contains 42.5g of Mg and 33.8g of O₂

Magnesium

300

What is the net ionic equation for the following reaction?

3SrCl_2(aq) + 2 Li₃PO_4(aq) --> Sr₃(PO₄)_2(S) + 6LiCl_(aq)

3 Sr²⁺ _(aq) + 2PO₄³⁺_(aq) --> Sr₃(PO₄)_2(s)

400

What is the oxidizing agent? 

4Fe_(s) + 3O_2(g) --> 2Fe₂O_3(s)

Oxygen

500

Determine the spectator ions for the reaction between potassium carbonate and nickel (II) chloride

K and Cl

THERMOCHEMISTRY

100

What is the sign for deltaH in endothermic reactions and exothermic reactions? 

ENDOTHERMIC +

EXOTHERMIC -

200

Kinetic energy x Potential energy

- water behind a closed dan

- speeding boat on a lake

- water behind a closed dan: KINETIC

- speeding boat on a lake: POTENTIAL

300

What is the unity of heat capacity?

J/g ^.C

400

What is the change in internal energy for a system that is giving off 65 KJ of heat and is performing 855 J of work on the surroundings? 

-65.9 KJ

giving off: -q 

performing: - w

500

Cu_{(s) +} Cl_2(g) --> CuCl_2(s)      deltaH_rxn = -206 kJ

2 Cu_{(s) +} Cl_2(g) --> 2 CuCl_(s)      deltaH_rxn = -36 kJ

Cu_(s) + CuCl_2(s) --> 2CuCl_(s)

deltaH = 170 kJ

WAVES

100

Draw a wave and show Wavelength and Amplitude

drawing

200

What is the equation for the Energy of a photon?

E = hv

300

Put this in order of increasing energy:

Gamma ray, microwave, visible light, infrared

microwave, infrared, visible light, gamma ray

400

What does each thing tells us?

Principal quantum number, n?

Angular momentum quantum number, l?

Magnetic quantum number, m_l?

Principal quantum number, n - size

Angular momentum quantum number, l - shape

Magnetic quantum number, m_l - orientation

500

If n=3 and l has the biggest possible value, what values can m_l have? 

-2, -1, 0, 1, 2

ACIDS AND BASES

100

NaOH

strong base

200

H₂S

weak acid

300

H₂SO₄

Name and strength

strong acid

Sulfuric acid

400

NH₄OH

weak base

500

Calcium Hydroxide 

formula and strength

Ca(OH)₂ 
Strong base