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What is the balanced education and stoichiometric reagents needed with mole calculations of 1 sodium hydroxide pellet(0.075 to 0.095 g) and 0.24 g acetophenone and 0.11 g benzaldehyde
Determine the rate constant. b. What fraction of the initial N2O5 will remain after 13.0 h c. What is the half-life. d. If the initial concentration of N2O5 was 0.222 M, then what concentration rema
relative orientations (up and down) of the two Me groups to one another. Designate each isomer as cis or trans and also indicate if it is chiral or not. indicate the one isomer that dose not have a
What is the pH of a solution made by mixing 25.00mL of 0.200M CH3COOH with 10.00mL of 0.200M NaOH? Ka of acetic acid is 1.8 x 10^-5.
Consider a situation in which 161g of P4 are exposed to 176g of O2. A) What is the maximum amount of P2O5 that can theoretically be made from 161g of P4 and excess oxygen
How do the following changes affect the value of the equilibrium constant for a gas-phase exothermic reaction:
A certain hydrocarbon has a molecular formula of C6H10. Which of the following is not a structural possibility for this hydrocarbon?
Calculate the osmotic pressure generated when 12.9 grams of testosterone are dissolved in 168 ml of a chloroform solution at 298 K. what is the molarity and osmotic pressure
Dinitrogen monoxide is still used as a general anesthetic. The Henry's law constant for the solubility of N2O in water is 2.5 x 10^ -2 mol/L x atm. What is the molar solubility of N20 in water if th
A person is considered legally intoxicated with a blood alcohol level of 80 mg/dL. Assuming that blood plasma has a density of 1.025 g/mL, what is this concentration expressed in parts per million
The dipole moment of ClF is 0.88 D, and its bond length is 163 pm. What is the percent ionic character of the Cl-F bond
Calculate the osmotic pressure generated when 14.6 grams of estrogen are dissolved in 275 ml of a benzene solution at 298 K. What is the molarity and osmotic pressure
Draw the structure(s) of the aldehydes with the molecular formula C5H10O that have a three-carbon chain.
Determine Qc if the following amounts (in moles) of each component is placed in a 10.00 L container.
Phosgene is formed from carbon monoxide and chlorine. At 605 degrees C, Kc is approximately 15.5 M-1 or L/mol. Calculate Kp (in atm-1) at this temperature.
What is the concentration of [Cl?] in a solution of 10 mL of 12 M HCl when 6 mL of water is added?
What is the concentration of [Cl?] in a solution of 10 mL of 12 M HCl when 6 mL of water is added
The heat of fusion of water is 6.01 kJ/mol and the molar heat capacity is 36.6 J/(oK.mol) for ice and 75.3 J/(oK.mol) for liquid water.
Compound A is C4H9Cl and shows two 13C NMR resonances. Compound B is an isomer of compound A; it shows four 13C NMR resonances, and in the spin-coupled mode the resonance farthest downfield is a dou
Magnesium can be obtained by precipitating Mg^2+ as Mg(OH)2(s). The Ksp of Mg(OH)2 is 6.0*10^-10. The magnesium ion concentration is 0.059M. If a sample of solution is treated so its [OH-] concentra
An iron ore was found to contain 92.0% pyrite (fool's gold). Pyrite has the formula FeS2and is 46.5% iron. How many grams of iron are there in 65.8 grams of iron ore
A water sample contains 118mg/L of bicarbonate ion, 19mg/L of carbonate ion, and has a pH of 9.5. What is the alkalinity of this water expressed as mg/L of CaCO3
For 2.25 moles of an ideal gas, Pext=P=200x10^3 Pa. The temperature is changed from 122 C to 28.5C and Cv=3R/2. Calculate the q, w, delta U and delta H for an isochloric process.
Calculate the mass of nitrogen dissolved at room temperature in an 76.0L home aquarium. Assume a total pressure of 1.0 atm and a mole fraction for nitrogen of 0.78
A piece of silver is dropped in a container of water, write net ionic equation