RXNs
Stoich
Thermo
Rates/ Equilibrium
Gas Laws
Acid/ Base
100
This type of reaction: 4Fe + 3O₂ → 2Fe₂O₃
What is synthesis?
100
The molar ratio of the following reaction:
H2O + CO2 --> C6H12O6 + O2
What is 6:6:1:6
100
The thermodynamic classification of this reaction:
2 Na (s) + Cl2 (g) → 2 NaCl (s) + heat
What is exothermic?
100
This would increase the reaction rate of the reaction below based on states of matter:
C12H22O11(s) + H2O --> C12H22O11(aq)
what is increase surface area?
100
When performing gas law calculations, temperature must always be in this unit.
What is Kelvin/K?
100
>7 on the pH scale
What is base/ basic/ alkaline
200
The numbers for each blank:
___B4C3 (s) + ___CO2 (g) → ___B2O3 (s) + ___C (s)
What are 1, 3, 2, 6
200
This common compound has a molar mass of ~44 g/mol
What is carbon dioxide?
200
The thermodynamic classification of this reaction:
CaCO3(s) → CaO(s)+CO2(g) ΔH=+177.8kJ
What is endothermic?
200
This would shift the equilibrium of the equation to the right?
A(g) + 2B(g) <--> C(g) + D(g)
what is increase pressure?
200
An increase in gas temperature will lead to an increase in one or both of these factors.
What are volume and/or pressure?
200
This factor makes an acid weak/strong.
What is level of ionization in water?
300
Fill in the missing states:
FeCl3 (aq) + 3 LiOH (aq) --> 3 LiCl (_)+ Fe(OH)3 (_)
what are (aq) and (s)?
300
The limiting reactant when you mix 35 g of methane (CH4) and 50 g of oxygen (O2)
What is oxygen?
300
States of matter at section DE
what are gas and liquid?
300
Adding heat move this chemical reaction in this direction:
Ca(OH)2↽−−⇀CaO+H2O ΔH = 65 kJ
What is forward?
300
The product of pressure and volume will ___________ if you increase the number of molecules of gas
What is increase?
300
The concentration of H+ ions in a pH 8.2 solution.
What is 6.3 x 10-9
400
The likelihood that this will happen:
2 HBr + Cl2 --> 2 HCl +Br2
High. Cl more reactive than Br
400
The moles of CO2 produced from combusting 570 g octane (C8H18) with excess oxygen
What is 40 moles?
400
Energy required to melt 50 g of this substance
What is 4000 cal?
400
The equillibrium constant of the following reaction:
2SO2(g) + O2(g) ⇌ 2SO3(g)
[SO2] =3.0×10-3 M
[O2] = 3.5×10−3 M
[SO3] = 5.0×10−2 M
What is Keq =79,365
400
A 4 liter oxygen tank contains 19 moles of oxygen gas at 150 atm. The volume of the same amount of gas at standard pressure (1 atm) would be:
What is 600 L?
400
This will make water very conductive, react strongly with magnesium, and produce a low pH color on a test strip.
What is a strong acid?
500
The likelihood that this will happen:
Cu + Mg(NO3)2 --> Cu(NO3)2 + Mg
what is not likely! Mg more reactive than Cu
500
The grams of H2O produced from combusting 0.40 g butane (C4H10) with excess oxygen
What is 0.62 g?
500
The specific heat of water is 4.28 J/goC How much energy does it take to heat a pot of water (1200 g) from room temp (20oC) to boiling (100oC)?
What is 410,880 J?
500
These LeChatlier stresses are employed in the Haber Bosch Process, which moves the following reaction forward:
N2(g) + 3H2(g) ⇌ 2NH3(g).
What is high temp, high pressure, catalyst
500
The number of gas molecules present in a 10 L sample of atmospheric gas at 20oC and 1 atm.
R = 0.0821 L*atm/mol*K
What is 2.5 x 1023 molecules?
500
The conjugate acid in this equation:
HBr + NH3 <==> NH4+ + Br-
What is NH4+?