Cliffs AP Chemistry, 3rd Edition
∆Hreaction= −qwater gC gC specific heat of water^418. J^1 cal :: ==%% ∆H°= ΣH°f products−ΣH°f reactants= qp where qp= heat flow, ...
given: aA+ bB= cC+ dD ∆Srxn (or sys)= [cS°(C) + dS°(D)] −[aS°(A) + bS°(B)] ∆Ssurr=-∆THwhich derives to∆∆∆GHTS=- ∆G°= Σ∆G°f pro ...
Samples: Multiple-Choice Questions Given the following information: Reaction (1): HOHO 22 __ggii+^12 " 2 ^,h ∆H°= −286 kJ Reac ...
A piece of metal weighing 500. grams is put into a boiling water bath. After 10 minutes, the metal is immediately placed in 250 ...
Answer: C Begin this problem by drawing a structural diagram of the reaction. There are three steps you need to take to do this ...
Answer: B Begin this problem by realizing that ∆H°of combustion for acetic acid represents the amount of heat released when acet ...
Step 2:Decide which bonds need to be formed on the product side of the reaction. Add up all the bond energies for the bonds that ...
Answer: C First, the ice must be heated to its melting point, 0.0°C. (mass) ×(specific heat capacity) ×(∆t) : C ... . (^1) g 10 ...
Answer: D Examine the first reaction and realize that SO 2 (g) needs to be on the reactant side. Reverse the equation and change ...
Answer: A w= −P∆V =−(1.00 atm)(8.00 liters) = −8.00 L ⋅atm Because the gas was expanding, w is negative (work was being done by ...
Samples: Free-Response Questions To produce molten iron aboard ships, the Navy uses the thermite reaction, which consists of mi ...
Together, the products are absorbing 81 J/°C + 54 J/°C = 135 joules for every l°C rise in temperature. Because the reaction is p ...
specific heat of aluminum = 0.902 J/g ⋅°C specific heat of cola = 4.00 J/g ⋅°C ti= 30 °C tf= 10°C (a) Restatement: Amount of hea ...
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The Gas Laws Key Terms Words that can be used as topics in essays: absolute zero Avogadro’s law Boyle’s law Charles’ law combine ...
ideal gas law: PV = nRT R = 0.0821 liter ⋅atm / mole ⋅K = 8.31 liter ⋅kPa / mole ⋅K = 8.31 J / mole ⋅K = 8.31 V⋅C / mole ⋅K = 8. ...
Et mu 2 cT :^2 c NA R 2 =^3 u^2 ==^33 mN::::RT: A MWRT where Et= average kinetic energy of translation m = mass (of particle ...
Samples: Multiple-Choice Questions Which of the following would express the approximate density of carbon dioxide gas at 0 °C a ...
Answer: B Begin by writing down a balanced equation. 2CO(g) + O 2 (g) →2 CO 2 (g) Next, use the factor-label method to solve the ...
Answer: C Begin this problem by listing the known facts. m = 2.00 g V = 0.821 liter T = 400. K P = 1.00 atm MW =? You will need ...
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