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The glass floor of the CN Tower's observation deck can withstand apressure of 14,000 kPa. How many pounds per square inch would this be?
Calculate the heat of a reaction if 12.5 g CaCl is dissolved in 105 g of water and the temperature decreases from 22 degrees C to 15 degrees C. Assume the specific heat of the solution is 4.184 J/g degrees C. Is the reaction endothermic or exother..
Problem- If 10 mL of 0.10M Ba(NO3)2 is mixed with 10 mL 0.10 M KIO3, a precipitate forms. Which ion will still be present at appreciable concentration in the equilibrium mixture if Ksp for barium iodate is very small?
What is the energy of a mole of photons associated with light of wavelength 8.00 x 10^2 nm
explain why the compound carbon tetrachloride is completly nonpolar , depite having four polar bond whereas the compound
Composting systems perform best when the carbon to nitrogen ratio is in the range of 20-40 (C: N of 20:1 to 40:1)
25.0mL of 0.10 M NaOH is utilized to titrate 10.0 mL of an HCl solution of unknown strength. Find out the concentration (M) of the HCl solution.
what is the cell potential at 25 ?C if the concentrations are [Co3+]= 0.852M , [Co2+]= 0.545M , and [Cl?]= 0.313M and the pressure of Cl2 is PCl2= 6.10atm
What is the enthalpy of the reaction. Is this reaction exothermic or endothermic. Draw an enthalpy diagram for the reaction. Make sure to properly label axis, location of reactants and products
What is the pH of a solution obtained by mixing 45 ml of 0.050 M NaOH with 25 ml of 0.250 M Ba(OH)2
Problem- The table gives the concentrations of NO2(g) as a function of time at a certain temperature for the following reaction
The particles are in constant motion. The collisions of the particles with the walls of the container are the cause of the pressure exerted by the gas.
A constant electric current flows for 3.75 h through two electrolytic cells connected in series. One contains a solution of AgNO3 and the second a solution of CuCl2. During this time 1.50 g of silver are deposited in the first cell.
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