Your Cart: item(s)<< Prev Showing: 96-100 of 307 Next >>
· 71-75 · 76-80 · 81-85 · 86-90 · 91-95 · 96-100 · 101-105 · 106-110 · 111-115 · 116-120 · 121-125 ·
Entropy, enthalpy and the freezing of water
Which of the following is true for the freezing of water at 298K? a. "change in" H < 0 b. "change in" H > 0 c. "change in" S = 0 d. "change in" S > 0 e. both answers a and d are correct
Subject:
Chemistry
Topic:
Inorganic Chemistry
Posting ID:
6510
OTA ID:
102959
Entropy and combustion of hydrogen gas
Which of the following is true for the combustion of hydrogen gas? a. "change in" H > 0 b. "change in" H < 0 c. "change in" S > 0 d. "change in" G > 0 at 300K e. "change in" G > 0 at all temperatures
Subject:
Chemistry
Topic:
Inorganic Chemistry
Posting ID:
6511
OTA ID:
103211
A voltaic cell is based uon the following overall reaction: 2H+(aq)+Sn(s)-->H2(g)+Sn2+(aq) where E=0.141V. Calculate the equilibrium constant at 25 degrees Celsius.
Subject:
Chemistry
Topic:
Inorganic Chemistry
Posting ID:
6514
OTA ID:
102959
How many coulombs of charge are required to oxidize 1.0g of copper to copper(II) ions?
Subject:
Chemistry
Topic:
Inorganic Chemistry
Posting ID:
6620
OTA ID:
102959
Concentration in second order reactions
For the second-order reaction below, the concentration of A after 125 seconds is 0.0722M. If k=9.11x10(exponent negative 2)s(exponent negative 1), what was the initial concentration of A? 2A-->B rate=k[A](exponent 2) a. 0.406M b. 6.37x10(exponent 3)M c. 0.224M d. 11.5M e. 10.0M
Subject:
Chemistry
Topic:
Inorganic Chemistry
Posting ID:
6649
OTA ID:
103139
<< Prev Showing: 96-100 of 307 Next >>
· 1-5 · 6-10 · 11-15 · 16-20 · 21-25 · 26-30 · 31-35 · 36-40 · 41-45 · 46-50 · 51-55 · 56-60 · 61-65 · 66-70 · 71-75 · 76-80 · 81-85 · 86-90 · 91-95 · 96-100 · 101-105 · 106-110 · 111-115 · 116-120 · 121-125 · 126-130 · 131-135 · 136-140 · 141-145 · 146-150 · 151-155 · 156-160 · 161-165 · 166-170 · 171-175 · 176-180 · 181-185 · 186-190 · 191-195 · 196-200 · 201-205 · 206-210 · 211-215 · 216-220 · 221-225 · 226-230 · 231-235 · 236-240 · 241-245 · 246-250 · 251-255 · 256-260 · 261-265 · 266-270 · 271-275 · 276-280 · 281-285 · 286-290 · 291-295 · 296-300 · 301-305 · 306-307 ·Page generated in 0.0141 seconds