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In a certain decomposition reaction, dinitrogen pentoxide decomposes to form nitrogen dioxide gas and oxygen gas. It was found that at 187 seconds the concentration of oxygen gas was 0.374 mol/L and at 549.5 seconds the concentration of oxygen gas was 0.753 mol/L. What is the rate of decomposition of dinitrogen tetroxide over the specified time period in this reaction
The plasma (HCO3-) of an individual living at a high elevation is 18.5 meq/L. If this concentration of bicarbonate fully compensates the decrease
Assume that only a single stream exits the fuel cell. What is the flow rate of each of the species leaving the fuel cell? Not that the flow rates given to correspond a fuel cell rate at approximately 50kW using 2004 technology.
Decide whether or not each of the following metals dissolves in 1 {\rm M} {\rm{HNO}}_3. For those metals that do dissolve, write a balanced redox reaction showing what happens when the metal dissolves.
How many grams of acetylene are produced by adding water to 5.0 grams CaC2
What mass of oxygen (in grams) reacts when 14.2 g of ethanol (CH3CH2OH) are combusted in oxygen to produce carbon dioxide and water
What is the pH of the solution created by combining 2.90 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)?
When hydrochloric acid reacts with magnesium metal, hydrogen gas and aqueous magnesium chloride are formed.
Radiochemical techniques are useful in estimating the solubility product of many compounds. In one experiment, 50.0 mL of a 0.010 M AgNO3
Determin whether each of the following equation is balanced or unbalanced: a) PCl3(l)+Cl2(g)--->PCl5(s), b)CO(g)+2H2(g)--->CH3OH(l), c)2KClO3(s)--->2KCl(s)+O2(g), d)Mg(s)+N2(g)--->Mg3N2(s).
what is the mole fraction of ethanol, C2H5OH, in an aqueous solution in which the ethanol concentration
What is the molarity of calcium hydroxide solution if the titration requires 74.70 ml of the acid to reach the endpoint?
What is the concentrationof lead ions and sulfide ions in a saturated solution of lead sulfide (PbS) soltution at 25 degree celcius(Ksp=3.0x10-28).
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