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Na2[Pb(OH)4], Determine molar mass for this compound and oxidation state of lead in it. write the oxide formula of lead for the corresponding oxidation state. Determine whether this oxide will react with HCL, NaOH, and write the corresponding reaction equations?
a block of aluminum with the volume of 96.5 g absorbs 65.3 J of heat. If the initial temperature is 31.2 degrees celcius, what is the final temperature.
Which of the following describes the best way to prepare 500. mL of a 0.20 M solution of benzene (C6H6?)?(78.11 g /?mol) dissolved in carbon tetrachloride (CCl4?)?(153.82 g /?mol).
What volume of the solution must be used to make 800 mL of 0.15 M. potassium permangate from a 0.20 M. potassium stock solution.
The following reaction is exothermic (H= -226 kJ) and has a rate law: Rate = k(NO2)^2: NO2 + CO ? NO (g) + CO2 (g) for each of the following disturbances, indicate whether the rate of the reaction will be FASTER or SLOWER and indicate whether ther..
Calculate the value of w (work) for the following system if 20.2 g of NaN3 reacts completely at 1.00 atm and 22 °
If 18mL of oxygen are collected over water at 27 degrees Celcius and 740 mm Hg of pressure, what volume will the dry gas have at STP?(The vapor pressure of water at 27 degrees celcius is 26.7 mm Hg)
Determine what mass of sulphuric acid would be needed to mix with 0.75 mol of sodium hydroxide(NaOH)?
The acid-dissociation constant for hypochlorous acid (HClO) is 3.0x10^-8 A)Calculate the concentration of H30+at equilibrium if the initial concentration of HClO is 9.0×10-3
What is the new boiling point of water if you add 188 grams of magnesium chloride to 1250 g of water.
calculate the density of the pheromone in grams per liter in a cylindrical air space with a radius of 0.50 mi and a height of 40ft.
What is the first step in the reaction sequence of these Aldol reactions under basic conditions?
What mass of CaCl2 , when dissolved in 100.00 g of water, gives an expected freezing point of 5.0°C; CaCl2 is ionic? What mass of glucose would give the same result?
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