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The temperature of a gas is inversely proportional to its pressure. 2. The volume of a gas is directly proportional to the pressure in torr
Calculate the solubility of AgSCN in a 0.03333 M solution of Mg(ClO4) 2 using activities and concentrations
how many calories of heat must be added to raise the temperature of 40 g of water fro 25 Celsius to 50 Celsius
If we add CO2 to increase its concentration to 0.450mol/L, what will the concentrations of all the gases be when equilibrium is reestablished
Solve an equilibrium problem (using an ICE table) to calculate the of each of the following solutions. 0.15 M HF, and a mixture that is 0.15 M in HF and 0.15 in NaF
If a 1.00g sample of a carbon-containing compound is burned in air, 0.75g of CO2(the only carbon-containing product) is produced. What is the mass carbon in the compound
A 25.0-mL sample of 0.35 M HCOOH is titrated with 0.20 M KOH. What is the pH of the solution after 25.0 mL of KOH has been added to the acid? Ka = 1.77 × 10-4
Consider the reaction IO4 ^ - (aq) + 2 H2 O(l) =H4 IO6 ^ - (aq); Kc = 3.5 x 10^- 2 If you start with 27.0mL of a 0.901M solution of NaIO4, and then dilute it with water to 500.0 mL, what is the conc
In the purification process, the organic layer is washed sequentially with 2 M NaOH, water, and saturated aqueous sodium chloride. What is the purpose of each of these washes and why is cold 2 M NaO
A rain sample has a delta value of 18O of -7 0/00 What is the 18O/16O value (R sample) of the sample, if R SMOW = 0.0020052? Does this have something to do with (Rsample-Rstd)/Rstd x1000
Write the reaction mechanism for the conversion of acetylferrocene to diacetylferrocene using acetic anhydride and 85% phosphoric acid.
Write the mechanism for the conversion of acetic anhydride to sodium acetate on treatment with aqueous sodium hydroxide
In an experiment 1.550g of mercury oxide decomposed to give oxygen gas and 1.435g of liquid mercury. What is the empirical formula of mercury oxide
It is found that 3.8 mL of a 0.01 g/L solution of NaOH is required to completely react withe all HCl. HOw many moles of HCl are present
Tungsten trioxide (WO3) has a rich yellow color and is often used as a pigment in ceramics and paints. In order to test a ceramic vase for its WO3 content, a 10.00 g sample of the vase was ground an
A 1.304 gram sample containing an unknown amount of arsenic trichloride and the rest inerts was dissolved into a NaHCO3 and HCl aqueous solution. To this solution was added 1.500 grams of KI and 50.
Elevation Pressure 0 ft 760 mmHg 1000ft 740.2 mmHg 2000ft 720.4 mmHg What is the boiling point of water at an elevation of 6.00×10^3 ft
Give the major force between acetone and chloroform ion-dipole dipole-dipole hydrogen bonding dispersion ion-ion and can you also please explain why
If a 1.00g sample of a carbon-containing compound is burned in air, 0.75g of CO2(the only carbon-containing product) is produced. What is the mass% carbon in the compound
Calculate the pH of a 0.047 M solution of carbonic acid H2CO3. The Ka1 of carbonic acid = 2.6 x 10-7 and the Ka2 of carbonic acid = 5.6 x 10-11 what is the easiest way someone can explain this
The wedge is connected to a pendulum and swings through an arc and hits the sample at the bottom of the arc. The sample breaks and the wedge continues its swing to a height of 0.5 m. The energy requ
A certain commercial process relies of the addition of NH4NO3 to a solution of their proprietary compound. The Chemist develops a plan to add 6.55 pounds of NH4NO3 to 14.0 gallons of water.
In a calibration of a calorimeter, 50.0 g of water at 60.0 degrees C is added to 50.0 g of water at 20.0 degrees C to give a mixture 39 degrees C. What is the heat capacity of the calorimeter used i
Why silicon tetrachloride reacts with water to produce SiO2 but carbon tetrachloride does not react with water? 1. SiCl4 can act as a Lewis base