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Determine the stiochiometric coefficients for the reaction, (3CaO Al2O3 3SiO2) + a(CaO Al2O3 SiO2)= b(CaO Al2O3 2SiO2) + c(2CaO Al2O3 SiO2)
calculate delta H delta S and delta G all at 298k.
If 49.0g of H3PO4 is reacted with excess KOH, determine the percent yield of K3PO4, if you isolate 49.0g of K3PO3.
What is the mass in grams of 2.75 moles of CH4, How many moles are in 365 grams of K2SO4.
Assume you have a mixture of gases that contains 3.50 L of helium, some argon at 1.03 atm, and some neon at 27 degrees C. For which gas(es)
what mass of limestone is required to remove all the sulfur dioxide formed by the combustion of 9.2 X 10^4 kg of coal that is 0.33 mass % sulfur?
What is a specific example that exists for each of these chemical reaction types above and why might it be of importance to healthcare professionals?
A 55.0-{ g} piece of ice at 0.0 C is added to a sample of water at 8.0 C. All of the ice melts and the temperature of the water decreases to 0.0 C.
The mass spectrum of an organic compound shows the relative abundances of M to be 34.83% and M 1 to be 6.027%. Assuming the peaks are caused by 12C and 13C isotopes
A 250 mL stock solution contains 2.3 M Ca(CN)2. When 100 mL of the stock solution is diluted to 125 mL, how many moles of CN- ions will be contained in the dilute solution.
Important information about Solution Concentrations, Find the concentration of 500mg of alltrans retinol 0.1% per 1 ounce of solution.
A solution of 0.0041 M of an unknown acid has a pH of 3.195. Calculate the Ka value for the unknown acid, HA.
Isoprene is a compoud composed only of carbon and hydrogen. It is 11.84%H. what is the emperical formula?
The rate of a chemical reaction can sometimes be determined by measuring the change in mass of the reaction flask and its contents with time
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