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Predict whether zinc and silver react with 1 M sulphuric acid to give out hydrogen or not. Given that the standard potentials of zinc and silver are - 0.76 volt and + 0.80 volt respectively.
Suppose that 27 g of each of the following substances is initially at 29.0 C. What is the final temperature of each substance upon absorbing 2.45 kJ of heat?
If you wanted to adapt this procedure to prepare the analogous propoxy compound, how much propyl iodide would you have to use to carry out the reaction on the same scale?
Ten grams of hamburger were added to 90 mL of sterile buffer. This was mixed well in a blender. One-tenth of a mL of this slurry was added to 9.9 mL of sterile buffer.
Calculate the concentrations of all species at equilibrium for each of the given original mixtures. 1.2 mol of NOCl and 1.2 mol of NO in a 1.0-L flask? K = 1.6*10^-5 mol/L
A 20.0- sample of 0.125 HNO3 is titrated with 0.150 NaOH. Calculate the for at least five different points throughout the titration curve and make a sketch of the curve.
The partial pressure of O2 in air at sea level is 0.21 atm. The solubility of O2 is 1.38E-3 at 1 atm. Use Henry's law to calculate the molar concentration of O2 in the surface water of a mountain lake saturated with air at 20°C and an atmospheric ..
Part 2 In a substituent reaction will the leaving group (L=Cl- ) be substitute by a new substituent. Is the substituent in the carbonyl compound nucleophile or electrophile? Argue according to your answer in part 1.
The isotactic conformation of polypropylene is more regular than the syndiotactic conformation of polypropylene. C. Vinyl Polymers can exist as both Cis and trans isomers.
Determine the osmotic pressure of a solution that contains 0.042 g of a hydrocarbon solute (molar mass = 340 g/mol) dissolved in benzene to make a 350-mL solution. The temperature is 20.0°C.
What is the normality of a solution prepared from 10 ml 0.6 N nitric acid by diluting it to 60 ml
A 1.50L sample of neon gas at 1.10 atm and 25 degrees celsius is heated to 45 degrees celsius. The neon gas is then subjected to a pressure of 1.50 atm. Determine the new volume of the neon gas.
what mass of oxalic acid dihydrate, H2C2O4 + 2H2O is required to prepare 280.0 ml of a 1.51 M solution of oxalic acid
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