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Determine the molarity of a solution of 10% by the mass cadmium sulfate, CdSO4 (molar mass = 208.46g/mol) by mass when the density of the solution is 1.10g/ml.
Sound level within the church (1 m away from the chorus) while people are singing is around 100 dB (0.01 W/m^2). Suppose sound waves are released equally in all directions. Determine the sound level
Write down the equations to show nitronium ions might be produced using a mixture of nitric acid and sulfuric acids.Explain which ring of phenyl benzoate you would expect to undergo nitration more rea
Identify these compounds and give each a suitable name. When 1-octene is treated with NBS, three monobromo straight-chain alkenes having molecular formula C9H17Br are isolated from the reaction mixt
2,3-Dimethyl-2,3-butanediol (pinacol), upon heating in aqueous acid, rearranges to form 3,3-dimethyl-2-butanone(pinacolone). Suggest a mechanism for this reaction.
A sample which is having 1.547-g of blue copper (II) sulfate penta hydrate, CuSO4 * 5 H2O is heated carefully to drive off the water. The white crystals of CuSO4 that are left behind have a
Determine the boiling point of an aqueous solution of anon electrolyte that has an osmotic pressure of 10.50 atm at 25oC? Kb of water is0.52oC/m. Suppose the density of the solution is th
Calculate the freezing point of an aqueous solution of a non volatile solute that has a boiling point of 102.5oC? For waterKf = 1.86oC/m and Kb =0.52oC/m.
Assume yourself in a Ministry of Sound club (London, UK). You are dancing much close to a loudspeaker, so that a sound at the threshold of pain (120-dB) hits your eardrum (its area is 5•10^-5 m
Determine the amount of sodium hydroxide required (in grams) to make the 250 mL of a 0.3 M NaOH solution. (Numerical answer not text)
Determine (a)the volume occupied by 8.2 m mol of the gas under these conditions and (b) an approximate value of the second virial coefficent B at 300 K, at 300 K & 20 atm, the compression facto
A ball having a mass of around 550 g is moving straight up with the speed of 19 m/s, if it strikes Tinker-bell who is hovering motionless directly above the ball. Tinker-bell grabs the ball, quits f
Determine the Henry's Law constant in mol/Latm, at 10 degrees Celsius one volume of water dissolves 3.10 volumes of chlorine gas at 1.00 atm pressure.
When the car is moving at max speed possible devoid of slipping, determine the coefficient of static friction among the road and tires of the car?
Explain why do the coloring matters of tea not persist in purified caffeine? Calculate the purpose of adding calcium chloride to dichloride methane after extracting?
Determine the coefficient of static friction among the box and the loft? When the coefficient of kinetic friction is 20 percent less than the coefficient of static friction, determine what would the
The same container filled with carbon dioxide at STP has a mass of37.440 g. A gas cylinder filled with nitrogen at STP has a mass of 37.289 g. When filled with an unknown gas at STP, the container m
Compute the maximum gravity anomaly at ground level over a buried anticlinal structure, modeled through a horizontal cylinder having radius 1000 m and density contrast 200 kg/m^3, if the depth of th
What volume would the gas occupy if it were allowed to escape into a balloon at a pressure of 110 kPa? A cylinder of compressed gas has a volume of 3.85 L and a pressure of 463 kPa. A
A particle of 20 g is undergoing simple harmonic motion having amplitude of around 2.0 x 10-3 m and a maximum acceleration of magnitude 8.0 x 103 m/s2. The phase constant is -p/2 rad. (i) State an equ
The cylinder is heated, and a piston moves in the cylinder so that constant pressure is maintained. If the final volume of the gas in the cylinder is 8.50L. A cylinder contains 6.94L of a g
A football player pushed a blocking sled of around 65 kg having a constant horizontal force of 450 N. The coefficient of kinetic friction among the sled and ground is around 0.4. i) Determine how mu
By separately shining a laser at 450 nm a photoelectric experiment was performed and a laser at 560 nm on a clean metal surface and determining the number and kinetic energy of the ejected electrons
Stackhouse Corporation builds the product that is necessarily assembly consisting of 2 parts, A and B, stacked on top of each other.
A solution is prepared by dissolving the 4.2 mg of CuCl2 to 50.0 mL of Water. The solution has an absorbance of 0.336 in a 1.00 cell.