Le Chatelier's principle, ph & ocean acidification
Acid & Bases, chemical equilibrium & conjugate acid base pairs
Stochimentry
Chemical reactions
Intermolecular forces, names & chemical formulas
300

what will happen to the equilibrium shift if NH3 goes down?

right up arrow is longer than left down arrow.

300

Identify the bla, blb, ca and cb in the following reaction

HCI + H2O arrow H2O+ + CI-

bla: HCI

Blb; H2O 

Ca; H3O+

cb; CI -

300

N2(g) + 3H2(g) arrow 2NH3(g)

If you mix 2.0 moles of N2 with 3.0 moles of H2 which one is the limiting reactant, and how many moles of NH3 will be produced

Limiting reactant: H2

Moles of NH3 produced: 2.0 moles

300

Calculate the molar mass of calcium nitrate, Ca(NO3)  atomic masses; Ca= 40.08 g/mol, n= 14.01 g/mol, o= 16 g/mol

molar mass; 164.10 g/mol

300

Identify the primary type of intermolecular force present in a pure sample of water versus a pure sample of methane

water; hydrogen bonding 

methane; London dispersion forces

400

Where will pressure go for N2 if it's up?


it will go down

400

An unknown clear solutions turns blue litmus paper red, tastes sour, and reacts with zinc metal to produce bubbles. Is this solution acidic or basic

acidic

400

How many individual atoms of sodium are present in a 46 gram sample of pure sodium metal

Molar mass of Na= 23.0 g/mol

total atoms; 1.20 x 1024  atoms of Na 

400
_ C3H8(g) + _O2(g) arrow _CO2 + _ H2O


1, 5 arrow 3, 4

400

Write the correct chemical formulas for the following two compounds

Iron(III) oxide

Carbon tetrachlorida

1. Fe2O3

2. CCI4

500

if temperature is down where does N2 go?

It also goes down

500

A solution has a hydrogen ion concentration (H+)= 2.0 x 10-5M. Claculate the hydroixde ion concentration (OH-) and determine if the solution is acidic neutral or basic

(OH-)= 1.0 x 10-14 over 2.0 x 10-5 equals 5.0 x 10-10 M and its acidic
500

What is the molarity of a solution made by dissolving 0.50 moles of NaCI into enought water to make a total volume of 250  mL?

Molarity: 2.0M

500

Identify the reaction type and predict the products when solid zinc is dropped into an aqueous solution of copper sulfate.

Zn(s) + CuSO4(aq) arrow ??

Reaction type; single dispplacement 

Producta; ZnSO4 (aq) + Cs(s)

500

Write the correct chemical names for the following two formulas

1. MgCI2

2. N2O5

1. magnesium chloride 

2. dinitrogen pentoxide