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Milk of Magnesia is a suspension of magnesium hydroxide in water. A common medicine, it is often used as an antacid because it neutralizes hydrochloric acid in the stomach:
Mg(OH)2(s) + 2 HCl(aq) → Mg2 + (aq) + 2 H2O(l)
Calculate the mass of HCl that is neutralized by 2 g of Mg(OH)2(s)
The reaction is in acidic environment accoridng to MnO4(-)(aq) +As2O3 (s) = H3AsO4 (aq) +Mn(2+ )(aq) a. Balance in acidic B calculate the molarity of the KMnO4 solution.
a constant volume container holds an equilibrium mixture of cl2g pcl3g and pcl5g gases which have partial pressures
values for an equlibruim constant suggests that at equilibrium the mixture contains a high concentration of products?
Calculate the pressure that CCl4 will exert at 21°C if 1.00 mol occupies 18.2 L, assuming that CCl4 obeys the ideal-gas equation; CCl4 obeys the van der Waals equation.
If the reaction is allowed to proceed until all substances have reached their equilibrium concentrations, determine delta G for the reaction.
an ingot of aluminum metal with a mass of 87.50 g is to be hammered into a thin sheet to be used as aluminum foil. if
How many grams of AgNO3 must be added to 83.0 g of water to make a 2.62 m aqueous solution of AgNO3.
degrees Celsius to a final volume of 34.6 L. During the expansion the gas cools to 12.0 degrees celsius. what is the final pressure?
When 40 mL of 0.500 M HCl is titrated with 0.600 M NaOH, the pH increases. What is the pH of the solution after 33 mL of 0.600 M NaOH has been added. (assume volumes are additive)
Pressure was exerted with a piston on molten naphthalene at 95 degrees Centigrade. The vapor pressure of naphthalene under 1.0 bar is 2.0 kPa and its density is 0.962 g cm-3. What is its vapor pressure when the pressure on the liquid is 15 MPa?
Write the chemical equation for the formation of HBr from H and Br atoms. Lone pairs do not need to be included. Using the table of bond energies determine the ?H for the above reaction. (KJ/Mol)
The standard cell potential (Ecell) of the zinc-air battery is 1.65V. If at 25 degrees celcius the partial pressure of oxygen in the iar diffusing through its cathode is 0.22atm, what is the cell potential (Ecell)? Assume the cell reaction is:
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