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Using the balance equation for the combustion of ethanol, anwer the following question C2H6O(l) + 3 O2(g)-----------2CO2 (g) + 3H2O(g) Ethanol
1) How many grams of CO2 are formed from 0.60 mol of ethanol?
2) How many grams of H2O are needed to reactfrom 1.5 mol of ethanol?
3) How many grams of O2 are needed to react with 0.27 mol of ethanol?
What mass of glucose (C6H12O6 ; 180.2 g/mol) is needed to prepare 2.25 L of a solution that has the same osmotic pressure as blood at 37 °C ? (R = 0.08206 L·atm/mol·K)
Determine the value of pH of given solutions that are (a) a solution that is 0.40 M CH3CO2H, (b) a 0.40 M CH3CO2H solution, (c) 0.20 M NaCH3CO2. And explain your answer too?
If 0.214 mol of argon gas occupies a volume of 652 mL at a particular temperature and pressure, what volume would 0.375 mol of argon occupy under the same conditions?
A solution of 0.2113 g of water dissolved in 25.0 g of a solvent freezes at 11.5 °C below the freezing point of the solvent. What is Kf for this solvent?
Calculate the volume of 1.0 x 10-4 M CV+ solution that needs to be added to a 25.0 mL volumetric flask and diluted with deionized (DI)
What is the Total Ionic Equation for:2Al + 2KOH + 6H2O = 2KAl(OH)4 +3H2
The combustion of oxalis acid in a bomb calorimeter yields 2816 J g^-1 at 25 degrees Celsius. Calculate a) Delta (c) U degrees and b) Delta (c) H degrees
Write the expression for the equilibrium constant. b. Which way would the reaction shift in each of the following cases?
Tums, a drugstore remedy for acid indigestion, contains CaCO3. Write an equation for the reaction of Tums with gastric juice (HCl)
Calculate the standard emf for each of the following reactions:a)H2(g) + F2(g)---> 2H+(aq) + 2F-(aq)
What would the pH change be if this same amount of 1.000 M HCl were put into a gallon of pure water?
An excess of NaOH is treated with 1.1L of dry HCl gas (measured at STP). What is the weight of NaCl formed?
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