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Calcium carbonate decomposes to form calcium oxide and carbon dioxide on strong heating. What is the volume of carbon dioxide released, measured at r.t.p, when 10.5 g of calcium oxide is formed?
A nurse is asked to deliver morphine bt IV to a patient at a rate of 20 mg every four hours. The concentration in the IV bag is given as 0.13%. How many milliliters
Compare the charge distribution for the 5-membered ring in both forms as well as provide a short simple rationale for the observed differences.
element x crystallizes in a body-centered cubic lattice. it satomic mass is 59 amu. the edge length of a unit cell of x
For each of the rate laws below, what is the order of the reaction with respect to the hypothetical substances X, Y, and Z? What is the overall order?
Assume 1.0 mole of each of the following solutes is dissolved in water and that each solution has a constant volume.
Is there an easy way to get a quick and dirty comparative coefficient of friction for water vs a solution of sodium bicarbonate and water? I only have the most basic of chemistry skills. Is there a chart you could point me to?
Calculate the solubility of zinc hydroxide, Zn(OH)2, in 1.00 M NaOH. Ksp = 3.0 × 10-16 for Zn(OH)2, Kf = 3.0 × 1015 for Zn(OH)42-
What is the relationship of the successive equivaleance point volumes in the titration of a polyprotic acid
Calculate the change in pH when 6.00 mL of 0.100 M NaOH(aq) is added to the original buffer solution.
The combustion of methyl alcohol in an abundant excess of oxygen follows the equation 2CH3OH+3O2 = 2CO2+4H2O. When 7.65g of CH3OH was mixed with 12.5g of O2 and ignited 6.96g of CO2 was obtained.
A 3.00-L flask is filled with gaseous ammonia, NH3. The gas pressure measured at 27.0 C is 2.05 atm. Assuming ideal gas behavior, how many grams of ammonia are in the flask
10.0ml of 0.10M Pb(NO3)2 is mixed with 10.0ml NaCl. After equilibrium is attained, it is determined that the concentration of Cl- in solution is 0.0218M. Calculate the Ksp of PbCl2.
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