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A 17.6-g sample of an alloy at 93.0°C is placed into 50.0 g of water at 22.0°C in an insulated coffee-cup calorimeter with a heat capacity of 9.2 J/K. If the final temperature of the system is 31.1°C, what is the specific heat capacity of the alloy?
Write the chemical reaction equation and equalibrium solubility product constant expression associated with the solubility of Ag2CrO4
The inventor proposed the revolutionary design of the new engine based on the heat stored in the ocean. The inventor plan is to mount it on a boat in San Francisco and set off on a journey across the Pacific Ocean.
Draw the final step of the mechanism and predict the major product obtained in the dehydration of 2
Helium gas at constant pressure of 7.4 atm, expands in volume from 21.3 L to 79.2 L. The temperature is held at 278 K. Calculate the work done by the gas (in joules).
Methanol (CH3OH) can be made by controlled oxidation of methane. CH4(g) 1/2 O2(g) ? CH3OH(g) (a) Calculate ?H° and ?S° for this reaction. (b) Calculate ?G° at 298 K. (c) Calculate the temperature at equilibrium.
How many moles of cobalt (Co) atoms are there in 5.00 x 10^9 (5.00 billion) Co atoms? Enter your answer in scientific notation.
calculate the vapor pressure of a solution of glycerol of 265ml in 3.80x10^2ml of H2O at the normal boiling point of H2O
Gaseous indium dihydride is formed from the elements at elevated temperature: In(g)+H2(g) (reactions goes both ways=double arrow) to InH2(g) with Kp=1.48 at 973 K
How many grams of NO(g) can be formed from 3.0 moles of NH3(g) if there is sufficient O2(g) to use all of the ammonia?
If a reaction vessel initially contains only CO and NH3 at concentrations of 1.00 M and 2.00 M, respectively, what will the concentration of HCONH2 be at equilibrium?
In a first order decomposition in which the rate constant is 0.03 sec-1, how much of the compound (in mol/L) is left after 26 sec, if there was 2.00 mol/L at the start
The density of a sodium sulfate solution is 1.07 g/cm3. The solution is 8.00% sodium sulfate by mass. How many cm3 of the solution are needed to supply 4.28 g of sodium sulfate?
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