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If a mixture of 41.25 g of aluminum and 58.83 g of oxygen reacts, what mass of aluminum oxide can be formed?
Buffering Action of Proteins, We did this experiment in class but I want to see if the results seem reasonable and, if so, why they were not more varied.
The half-life of 137Ce is 30 years. How many grams of 137Ce must be produced now to have a sample containing 32 g of 137Ce 190 years from now?Answer in units of g
what tempreture must 0.040 moles of water vapor be heated in a 500ml flask before the pressure in the flask becomes 2 atm.
What is the molar mass of a gas if 0.358 g of the gas occupies a volume of 186 mL at 5.00C and 1.10 atm.
At 760 K, 15% of a sample of cyclopropane changes to propene in 6.8 min. What is the half-life of cyclopropane at 760 K?
Na3PO4+CaCl2 ---> Ca3(PO4)2+NaCl if 0.996 g of Na3PO4 are provided, how many grams of Ca3(PO4)2 should be formed?
What is the molecular weigh of acetic acid that will form 2 moles of CO2 assuming complete combustion.
How long would it take for 1.50 mol of water at 100.0 0C to be converted completely into steam if heat were added at a constant rate of 19.0 J/s?
similarly, what happens if cellulose is reacted with maleic anhydride C4H2O3? Again, how is the cellulose molecule/structure altered and what are the reaction by-products?
When a clear aqueous solution of calcium chloride (CaCl2) is mixed with a clear aqueous solution of sodium carbonate (Na2CO3), a white solid precipitate forms.
Determine how many moles of gas were added to the container If the pressure raised to 800. torr,?
Consider the reaction NO + O3 → NO2 + O2 Which has a rate constant given by k = 1.8×10-12 e-1370/T cm3 molecules-1 s-1 .Use the following standard heats of formation.
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