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The reaction of iron and water vapor results in an equilibrium 3/4 Fe(s) H2O(g) ? 1/4 Fe3O4(s) H2(g) and an equilibrium constant, Kp of 5.3 at a given temperature. What is the partial pressure of water present at equilibrium, if the reaction is initiated in a 26 L container with a partial pressure of H2 equal to 14.5 atm and excess iron oxide, Fe3O4.
A 12-liter tank contains helium gas pressurized to 160atm . What size tank would be needed to contain this same amount of helium at atmospheric pressure (1atm )?
compunds made up from ions from S2- and sc3+ has amelting temperture of 1776 C what type of bonding is there?
calculate the potential of a platinium electrode immersed in a solution prepared by mixing 25.00ml of 0.0918 M SnCl2
What is the density of a rock that weighs 10 grams and displaces water in a graduated cylinder from 100 to 120 mL.
The voltage generated by the zinc concentration cell described by, Zn(s)|Zn2 (aq, 0.100 M)||Zn2 (aq, ? M)|Zn(s) is 28.0 mV at 25 °C. Calculate the concentration of the Zn2
A 295mLflask contains pure helium at a pressure of 742torr . A second flask with a volume of 465mL contains pure argon at a pressure of 717torr .
Hydrazine, N2H4, is used as a rocket fuel. In the reaction below, if 80.1 g of N2H4 and 92.0 g of N2O4 are allowed to react, which is the limiting reactant?
Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH, and the concentrations of all species in a 0.100 M phosphoric acid solution.
Calculate the plate height (H) for a 16 cm-long column with a stationary phase particle diameter
What is the mass in grams of 2.75 moles of CH4, How many moles are in 365 grams of K2SO4.
cadmium borate solution is mixed with 147.3 mL of a 0.606 M cadmium borate solution. Assuming volumes are additive, what is the molar concentration of cadmium ion in the resulting solution?
If 3.17 moles of ethane, C2H6 undergo combustion,according to the unbalanced equation C2H6+O2--> CO2+H2O, how many moles of oxygen are required?
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