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1. Explain what would be the effect on your calculated mass percent recovery of Cu if youa. used all of your NaOH solution in Part II as well as the litmus paper never turned blue?b. Didn't completely react the Mg in the reaction mixture? Briefly explain.
2. With regard to the solutions you discarded in this experimenta. Classify the salt discarded from the centrifuge tubes in Step 11.b. Classify the compounds in the filtrate discarded in step 19.
What is the pseudoformula of ascorbic acid, given that ascorbic acid contains 3.41 mol of carbon, 4.53 mol of hydrogen, and 3.41 mol of oxygen
Determine the stopping potential as a function of wavelength at 433.9, 404.7, 365.0, 312.5, 253.5 nm.
For an isothermal expansion of 1.00 mole of ideal gas at 399K and initially at 16.00bar pressure, compare the total work done by the system if the expansion is carried out
Consider a glass of 215 mL of water at 28°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved.
Calcium and nitrogen react to form calcium nitride; 3Ca(s)+N2(g)-->Ca3N2(s). If 56.6 g of calcium is mixed with nitrogen gas and 32.4 g of calcium nitride is produced, what is the percent yield of the reaction
What is the equation for the net reaction. A+B-->C delta H= -120 C+B-->D delta H=-40
Nitrous Oxide N2O is a strong greenhouse gas-effect gas with a global warming potential of 300 times that of carbon dioxide and is a contributor to the destruction of ozone in the stratosphere
Draw as many resonance structures as you can for the following nitrogen-containing compounds. Not all will obey the octet rule. (a) N2O (b) NO (c) NO2
Calculate the vapor pressure of the solver over the solution at 25 degrees C. The vapor pressire of pure water at 25 degrees C is 23.8 mm Hg
Is it true that the effect of a catalyst on a chemical reaction is to react with product, effectively removing it and shifting the equilibrium to the right
Ttotal ammonia concentration = 0.400 M. determine What is the concentration of NH 4 + ?
It takes 64 mL of .124 M KOH to neutralize 25.6 mL of H2SO4 solution. What is the concentration of the H2SO4 solution?
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