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If 5.45mL of 0.1000 M NaOH solution is needed to just neutralize excess acid after 20.00 mL of HCl was added to 1.00 g of an antacid, how many moles of acid can the antacid counteract per gram?
What is the approximate value of the equilibrium constant, Kn, for the neutralization of hydrochloric acid with sodium hydroxide, shown in the equation below? HCL(aq) + NaOH(aq) --> H2O (l) + NaCl (aq)
A 122 piece of metal is heated to 285 and dropped into 84.0 of water at 26. If the final temperature of the water and metal is 58.3, what is the specific heat of the metal.
Carbon tetrachloride, CCl4, has a vapor pressure of 213 torr at 313K and 836 torr at 353K. What is the normal boiling point of CCl4
The concentrations of ozone in Los Angeles has been measured at 441 ppb. Los Angeles sits at an altitude of 7400 ft where the atmospheric pressure is only 0.67 atm. Calculate the partial pressure (in atm) of ozone at 441 ppb if the atmospheric pre..
Using Standard Free Energies of Formation at 25 degrees C, determine if the production of phosgene gas COCl2 from the combination of carbon monoxide gas (CO) and chlorine gas (Cl2) is spontaneous at room temperature.
The density of air at ordinary atmospheric pressure and 25 0C is 1.19 g/L. What is the mass of air, in kg, in a room that measures 12.5 ft by 15.5 ft by 8.0 ft?
2Al(s)+2KOH(aq)+6H2)-->2KAl(OH)4(aq)+3H2(g) If you place 2.05 g of aluminum in a beaker with 185 ml of 1.35 M KOH, will any aluminum reamin. What mass of KAl(OH)4 will be produced
calculate the amount of heat in kJ absorbed if a 200-g sample of water is heated from 22.8 degrees celsius to 41.5 degrees celsius with the specific heat of water being 4.184 J/ g degree celsius
A compound had a molar absorptivity of 3.03 x 10^3 L cm^-1 mol^-1. What concentration of the compound would be required to produce a solution that has a transmittance of 9.53% in a 2.50 cm cell.
Draw an absorption spectrum of leucoindigo. What color is absorbed by leucoindigo? Draw a simple energy level diagram of leucoindigo. Calculate the energy difference between energy levels.
Predict which of the following liquids has greater surface tension: ethanol (C2H5OH) or dimethyl ether (CH3OCH3).
If 32.0 g CaC2 are consumed in this reaction, how many moles of H2O are needed?
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