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A sample of hydrogen gas collected at STP occupies a volume of 31.6 L. How many moles of gas does the sample contain? answer in mol please
A solution contains .294 M solution sodium cyanide and .0919 M hydrocyanic acid. What is the pH of this solution.
Suppose that coal of density 1.5 g/cm3 is pure carbon. (It is, in fact, much more com- plicated, but this is a reasonable ?rst ap proximation.)
Electrical energy can be used to separate water into oxygen gas and hydrogen gas. In one such experiment,
A student prepared a stock solution of the assigned compound by weighing 2.345 grams of Cu(NO3)2. 6H20 and diluting it with water to a final volume of 25.00mL.
Calculate the concentration of acid(or base) remaining in solution when 5.39mL of 6.93M HNO3 is added to 9.37mL of 8.37M NaOH. Note the final volume is the sum of two added volumes. which of the following statement is true for the solution after m..
the standard electrode potentials calculate the standard free energy (kJ) for the given reaction.
Calculate the amount of heat transferred when 46.0 g of CH3OH is decomposed by this reaction at constant pressure.
Suppose we add 10.5 g or 0.100 mol of sodium acetate, NaC2H3O2 to 1 L of a 0.100 M solution of acetic acid HC2H3O2. What is the pH of the resultant solution?
Rank from longest to shortest distance. To rank the items as equivalent, overlap them.
Compound A (C11H16O) has a band in the IR spectrum at 3450 cm%u20131 (strong, broad) and does not react with pyridinium chlorochromate (PCC) in CH2Cl2
Sample size is given as 10 grams - you need to measure weight since many of the materials contain solids as well as liquid. Identity and expected concentration of ingredient to analyze?
How many moles of NaHCO3 and CH3COONa are necessary to produce 425 mL of CO2?
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