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Nitrogen and oxygen form an extensive series of oxides with the general formula NxOy. What is the empirical formula for an oxide that contains 30.44% by mass nitrogen?
Calculate the amount of heat needed to change 1.0 g ice at 0 degrees C to water vapor
What are the steps to recrystallize an impure solid? Answer 1. Heating the water. 2. Dissolving the solute.3. Letting the solute cool.4. Collecting and washing the crystals.
If the antiacid selected for the analysis is know to contain only milk of magnesia how could this procedure be midified
If you have 290 mL of water at 25 C and add 110 mL of water at 95 C, what is the final temperature of the mixture
Titration of 0.1756 g of primary standard Na2C2O4 required 32.04 mL of a KMnO4 solution. Calculate the concentration of KMnO4. Hint: to work this problem you have to write & balance the redox reaction involved
ch4202co22h20 h.889.1kjhfh20-285.8kj hfco2-393.5kjwhat is the standard heat of formation of methane ch4 as calculated
Barium peroxide decomposes when heated to give BaO and O2. Write the balanced equation for this reaction. How many moles of O2 is formed when 0.500 mole of BaO2 is decomposed
At 1000K, the equilibrium constant Kc for the reaction is 3.80x10-5. Suppose you start with 0.0356 of I2 in a 2.30 L flask at 1000K. What is the concentration of the atomic gas at equilibrium
Using the data table below solve for the volumes of the acid and the base that were used during this titration. Determind the molarity of the sodium hydroxide solution.
Which families of organic compound does butane transform to in hydrogenation reaction? If no reaction would likely to occur, choose "No reaction."
You forgot to label your layers after extractio, describe a fast method for determinng which layer is your organice phase
Rank from longest to shortest distance. To rank the items as equivalent, overlap them.
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