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How many moles of water will be produced by heating 238g of Cobalt (II) chloride hexahydrate?
One mole of an ideal monoatomic gas initially at 300 K is expanded from an initial pressure of 10 atm to a final pressure of 1 atm. The molar heat capacity for constant volume for the gas is 32VCR=. Calculate dU, dH, q, w, and the final temperatur..
Assuming gasoline is 89.0% isooctane, with a density of 0.692 g/mL, what is the theoretical yield (in grams) of CO2 produced by the combustion of 1.56 x 1010 gallons of gasoline
The molecular formula of glycine (an amino acid) is NH2CH2COOH, the molecular mass is 75.07grams/mole. If 10 glycines are joined together by a dehydration reaction to make a polypeptide, what would the molecular mass of the polypeptide equal.
Based on Reference Table G, what is the maximum number of grams of KCl(s) that will dissolve in 200 grams of water at 50 Celsius to produce a saturated solution?
Calculate the molar concentration of a potassium chloride solution if 2.4 liters contains 2.00 moles of KCl. Calculate the molar concentration of 15 frams of KCl in 1.5 liters of solution.
Why does phenolphtalein change colour during the production of gas?
If the C2 is bonded to 4 different groups and its mirror image is non-superimposable does it have optical activity
In the determination of the MnO2 content of an ore, a 0.5261 g of it was treated with 0.7049 g of Na2C2O4 in an acidic medium. After the reaction went to completion, 30.47 mL of 0.02160 M KMnO4 was needed to react with excess oxalate. Calculate th..
how many milliliters of .1229 M NaOH are needed to completely neutralize 50.00mL of .1012M H2SO4 solution
a solution of ammonia and water contains 1.40times1025 water molecules and 5.30times1024 ammonia molecules. how many
A particular natural gas consists, in mole percents, of 83.0% CH4 (methane), 11.2% C2H6 (ethane), and 5.80% C3H8 (propane). A 385-L sample of this gas, measured at 21C and 739 mmHg, is burned in an excess of oxygen gas.
Calculate the volume of a solution NaOH c=0.2 mol/l necessary to neutralize v=200 ml of solution HCl c=0.1 mol/l.
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