Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
The entropy change for a reversible process can be defined by the expression ?S = q?/?T. Which statement about entropy change is not correct
Standard state is the physical state in which a substance is stable at 1 atm of pressure and a specified temperature
The likely formula for the compound is Ni(N2H4)2(ClO4°2 where the hydrazine is a neutral ligand and the nickel is +2. If 10g of this compound reacted completely into its component elements, how
a 1.00 L solution contains 4*10^-4 M Cu(NO3)2 and 1.6*10^-3 M ethyleneddiamine. the Kf for Cu(en)2^2+ is 1*10^20, what is the concentration of Cu+2 in the solution
What is the final temperature (in oC) of a 37.6 g sample of graphite (specific heat = 0.720 J/(g K)) which absorbs 9.82 kJ of heat when it warms from 12.56oC
What is the final temperature (in oC) of a 41.6 g sample of iron (specific heat = 0.444 J/(g K)) which evolves (-12.18) J of heat when it cools from 91.4oC
List and describe briefly the 2 methods which are used by drug companies to discover lead compounds
Draw a detailed mechanism for the formation of 1,4-di-t-butyl-2,5-dimethoxybezene from t-butyl alcohol.
what is the temp of the final solution after thermal equilibrium is established? The heat of neutralization -56kj/mol. Assume there is not heat lost to the surroundings. Also assume the specific hea
if you burn 10.00g of octane. if the temperature is 500K, and you have an expansion of 1.00 atm, how much work in joule can be done by the system if the octane is completely converted to CO2 and wat
A molecule has the empirical formula C3H7 and has a density of 3.844g/L at STP. If one mole of this gas is burned completely in excess oxygen, how many moles of CO2 are produced
What would be the volume of product gases (CO2 and H2O) at STP from 0.50 mole cyclohexanone (in presence of excess oxygen)
If 0.50 moles of liquid cyclohexanone (C6H10O) is completely combusted, how many moles of O2 are required
Calculate the vapor pressure of water, in torr, above a solution prepared by dissolving 62.60 g of ZnCl2 in 429.0 g of water at 328.0 K. The vapor pressure of pure water at 328.0 K is 118.0 torr.
Choose the selection which correctly identifies the forces which must be overcome to convert BH3 from a liquid to a gas.
It is known that N2O is a linear molecule, but assume it is not known whether the structure is N-N-O or N-O-N. Use the IR data to decide between the two structures. What Vibrations can be assigned t
The methyl benzoate and acetanilide react with HNO3, H2SO4, and glacial acetic acid. Need to know the possible products and then the one that actually forms.
Each was extracted with three 5-mL aliquots of CCl4 containing an excess of 8-hydroxyquinoline. The extracts were diluted to 25 mL and their fluorescence was measured. What is the concentration of t
A coffee cup calorimeter contains 10.0 grams of water at 59.00 degrees C. If 3.00 grams Au at 15.20 degrees C is placed in the calorimeter, what is the final temperature of the water in the calorime
calculate the value of DGo in kJ for the combustion of 1 mole of methane to form carbon dioxide and gaseous water at 298 K.
What metal ions are involved in electron transport, and what is special about them that enable electrons to be shuttled among the various proteins
What is the change is volume when 1.00 mol of CH4 reacts with 2.00 mol O2? What is the w for this chnage? Calculate the change in internal energy, U, for the change indicated by the chemical equatio
Given the values of So given below in J/mol K, calculate the value of DSo in J/K for the combustion of 1 mole of ethane to form carbon dioxide and liquid water.
At a given temperature, what relationship appears to exist between a gas particle's mass and its speed
we need to form a cyclohexanone with a methyl group at the 6 position and a 2,3-butanediol group (with both OH groups at the back (dashed lines)) at the 2 position. All carbons on the target need to