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Write complete ionic, molecular and net ionic equations for the reactions that occur, if any, when solutions of the following substances are mixed:
Suppose you are asked to prepare a .8500M solution of aluminum nitrate and you find that you have only 50.00g of the solid. The maximum volume of solution that you can prepare is.276L
At certain temperature 2NO2 (g)= N2O4 (gas) 0.369 moles of N2O4 (gas) are introduced into a 17.40 liter vessel, and, when the reaction reaches chemical equilibrium, exactly one third of the N2O4 (g
Blend will comprise of 100 pounds with the selling price of $4.7 per pound. Determine amount of Ceylon tea which is needed and amount of Assam which is needed in this new blend.
What will happen to the experimental percent water? Explain answer. If heating a sample CoSO4*6H2O and this reaction occurs along with dehydrations.
Calculate the final temperature of the combined metals? Suppose that no heat is lost to the surroundings. Where the specific heat of Au is 0.129 J/g C and for FE, it is 0.444 J/g C.
Determine the relative average deviation of the two trials. Should the student run another trial if in the first trial of part A of the procedure, the ratio of moles H20/moles CASO4 is found to be 1
Aromatic spice the aromatic hydrocarbon cymene, C10H14 is found in nearly 100 spices and fragrances including anise, coriander and the thyme.
A piece which is having 25.40 g of iron and a 22.70 g piece of gold at the 100.0 degree C were dropped into the 1000.0 mL of water at 17.35 degree C.
The candy distributor requires to mix the 30% fat-content chocolate with the 50% fat-content chocolate to create 100 kilograms of 30% fat-content chocolate.
The ground-state electron configuration of Mo, Cr and Ag are exceptions to the Aufbau principle. Calculate the electron configuration for Mo?
Determine the wavelength associated with a 20Ne+ ion moving at a velocity of 2.0 x 105 m/s. The atomic mass of Ne-20 is 19.992 amu.
A piece of chromium metal with a mass of 24.26 g is heated in boiling water to 98.3 degrees Celsius and then dropped into a coffee-cup calorimeter which is having the 82.3 g of water at 2
She stayed in City B 10 hours, and on the trip back averaged 40 mi/h. She was back home 46 hours after leaving. How many miles is City A from City B.
At 22oC a sample of gas is held in a 3.00L container connected to a mercury manometer. The mercury level in the manometer is13.2 cm and the pressure of the atmosphere is 9.87 x 104 Pa higher on
If the temperature and pressure are such that Vm=10b, calculate the numerical value of the compression factor? Derive an expression for the compression factor of a gas that obeys the equation of st
At 298K a quantity of N2 (g) is compressed adiabatically and reversibly from a volume of 20.0 L to5.0 L. Assuming ideal behavior, determine the final temperature of the N2 (g). Take C bar v = (5/2)
Holly can run 60 yards in fifteen seconds. Jamie can run same distance in 18 seconds. If Jamie is 25 yards ahead of Holly when they both begin running, how long it takes for Holly to catch Jamie?
A toothpaste which is having 0.24 by mass sodium fluoride used to prevent the dental caries and 0.30 by mass triclosan , a preservative and ant gingivitis agent.
Determine the numbers of moles of H+ are present in 140 ml of HCL solution with PH of 3.10? Determine the PH of 350.0 of an aqueous solution containing .713 g of HCL?
If a weak acid like HA added to water, which statement is true? Determine the concentration of OH Ion in a 8.8 x10^-3 M HCL solution.
Kathryn can paint the room in 10 hours. Zoe can paint same room in six hours. How long does it take for both Kathryn and Zoe to paint room it they are working together.
Discuss the composition of a brass alloy if 12.15g of the alloy reacts with HCl(aq) to yield 2.305 g ofZnCl2?
The plane can fly 800 miles in same time as it takes the car to go 250 miles. If car travels 110 mph slower than the plane, determine speed of plane.
Calculate the pH of the solution at the equivalence point when a 20.00-mL sample of 0.220 M triethylamine,(CH3CH2)3N is titrated with 0.544MHCl(Kb(CH3CH2)3N= 5.2 × 10-4).