Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
Using vsepr molcule determine Electron Domain and Molcules for. CH3I ClF3 H2S SO3 SO4^-2 Nh4 NH2^- CO3^-2 ICI2
P4S3 -> Dinitrogen pentoxide -> Stannic oxalate -> Zinc cyanide -> Chromic bisulfate -> Fe2(CrO4)3 -> HNO2 -> CoHPO4 ->
How much ozone is used if the following reaction releases 568kJ of energy in the form of heat? Pb(s) + C(s) + O3(g) ---------> PbCO3(s)
A beaker with 175ml of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100M .
Calculate the enthalpy change for the production of 200 L of hydrogen at 500 torr and 338.15 K for reaction : C(s) + H2O (g) --> CO (g) + H2 (g)
According to the Rydberg equation, what is the wavelength (in m) of photons produced by a transition from n = 5 to n = 3 in hydrogen atoms. Enter the number in exponential format
A two-bulbed flask contains seven particles. What is the probability of finding all seven particles on the left side. please show and explain how you got the answer. A. 3.10% B. 0.32% C. 0.78% D. 0.
Delta H of combustion of benzoic acid is 3.22 x e3 kJ/mol. 0.5 g of benzoic acid was burned in a calorimeter containing 1000.0 g of water. The change in temperature of the calorimeter was 3 degrees
The enthalpy of vaporization of ethanol is 38.7 kJ/mol at its boiling point (78°C). Calculate the value of DeltaSsurr when 1.00 mole of ethanol is vaporized at 78.0°C and 1.00 atm
What formula is used to find the work needed to compress water from atmospheric pressure to a higher pressure (with ambient Temperature)? I know about w = integral (-PdV), but V is constant. What is
Carbon monoxide gas burns in oxygen to form carbon dioxide gas. Write a balanced equation for the reaction and determine the volume of oxygen needed to react completely with 174 mL of CO at 40.0°
Calculate the activity and activity coefficient for ethanol in this solution. c. Calculate ?mixG for a solution that contains 0.12 moles of ethanol and 0.83 moles of chloroform at 35.0 oC.
A 500ml Buffer solutin is 0.150 M in HNO2 and 0.175 M in KNO2. The Ka for HNO2 is 4.6*10^-4. What is the inital pH of this buffer. What is the pH of the buffer in the question above if 0.0049 moles
Styrene is produced by catalytic dehydrogenation of ethylbenzene at high temperature in the presence of superheated steam. A.) Given the following data, what is the delta Hrxn, delta Grxn and delta
High levels of ozone (O3) make rubber deteriorate, green plants turn brown, and cause people to have difficulty breathing. Calculate delta G at 298 K for the formation of 1 mole of O3 from O2 in urb
The values for nitrous acid (HNO2) and hypochlorous (HClO) acid are 4.5 x 10^-4 and 3.0 x 10^-8 , respectively. Which one would be more suitable for use in a solution buffered at pH = 7.0
Draw every stereoisomer for 1,2-difluoro-1,2-dimethylcyclopentane. Use wedge-and-dash bonds for the substituent groups, and be sure that they are drawn on the outside of the ring,
The acid dissociation for a weak acid Hx at 25c is 1.6x10^-8. Calculate the free energy information for x-(aq) at 25c. The standard free energy of Ax(aq)
What is the maximum wavelength of light capable of doing this? 574 nm Check the number of significant figures.
It takes 208.4 kJ of energy to remove 1 mole of electrons from 1 mole of atoms on the surface of rubidium metal. How much energy does it take to remove a single electron from an atom on the surface
Assuming the solution has a heat capacity of 4.18 J/°C·g and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol. Plea
Calculate the energy required to raise the temperature of 160.0 g Ag from 273 K to 295 K. Please provide answer in J
Calculate the energy required to heat 1.30 kg of ethane gas (C2H6) from 27.0°C to 78.0°C first under conditions of constant volume and then at a constant pressure of 2.00 atm
What mass of carbon dioxide is produced from the complete combustion of 7.00×10?3g of methane