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Identify the incorrect names or formulas.
calcium(II) oxideHint
aluminum oxideHint
Na2C2O4Hint
Mg(NH4)2Hint
Calcium and Magnesium carbonates occur together in the mineral dolomite. Suppose you heat a sample of the mineral to obtain the oxides,CaO and MgO
Which of the following solvents, hexane, methylene chloride, acetone, or methanol will give the best seperation on a TLC plate of a mixture composed of
A suitable storage place must be geologically stable long enough for the activity of plutonium-239 to decrease to 0.1% of its original value.
the half life for the first-order decomposition of sulfuryl chloride at 320ordmc is 8.75 h.so2cl2 g rarr so2 g cl2
When the concentrations of CH3Br and NaOH are both 0.165 M, the rate of the reaction is 0.0050 M/s. (c) What is the rate of the reaction if the concentrations of CH3Br and NaOH are both increased by a factor of four?
A reaction of one liter of chlorine gas with 3 liters of fluorine gas yields 2 liters of a gaseous product. All gas volumes are at the same temperature and pressure. What is the formula of the gaseous product?
The magnesium and calcium ions present in seawater([Mg2+] = 0.059 M and [Ca2+] = 0.011 M) can be separated by selective precipitation with KOH.
A solution of sodium thiosulfate, Na2S2O3, is 0.4282 M. 13.82 mL of this solution reacts with 36.67 mL of I2 solution. What is the molarity of the I2 solution
Given the following equation, how many grams of PbCO3 will dissolve when 5.0 L of 1.50 M H+ is added to 6.00 g of PbCO3
If 113 g of Pb(NO3)2 reacts stoichiometrically according to the balanced equation, how many milliliters of 2.96 M aqueous NaI are required?
A solution contained KIO3 and excess KI. 25 cm3 of this solution were acidified and the liberated I2 required 26.8 cm3 of 0.1 M Na2S2O3 for complete recaction.
Enough of a monoprotic acid is dissolved in water to produce a 1.59 M solution. The pH of the resulting solution is 2.88. Calculate the Ka for the acid. Ka=?
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