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Calculate the pH at each point listed for the titration of 25.00 mL of 0.1000 M formic acid with 0.1000 M KOH. The points to calculate are Vb = 0.00, 12.50 and 25.00 mL
Two compounds of nitrogen tetroxide(N2O4) and hydrazine(N2H4) are used as rocket fuels.When the two are mixed,they ignite and produce nitrogen gas and water.
what quanitity of energy does it take to convert 0.500kg ice at -20 Celsius to steam at 250 celsius? specific heat capacities: ice, 2.03J/g Celsius
determine how many pounds a citizen would have to weigh in order to have ice melt beneath his/her ice skates. Do a bit of research and find out the area if cibtact betweeb a typical ice skating blade and the ice surface
The solution to physical chemistry, A laser used to read CDs emits red light of wavelength 700 nm. How many photons does the laser emit per second
Find the change in the fraction of visibility for a person from planet Krypton with x-ray vision in addition to visible spectrum.
What is the change in the boiling point of a solution made by dissolving 14.7 g of C6H12O6 into 150ml of water? The density of water is 1.00 g/ml and Kb=0.512 C/m .
How much PV work is done if 88.0 grams of C 2H 4 ethylene and 120 grams of hydrochloric acid HCl are permitted to react at atmospheric pressure and the volume change = -70.3 Litres?
The solutions start out at 22.50 deg C, and the final temperature after reaction is 24.28 deg C. The densities of the solutions are all 1.00 g/mL, and the specific heat of the mixture is 4.2 J/g deg C . What is the enthalpy change for the neutrali..
What is the difference between the equatorial positions and the axial positions on the cyclohexane conformations?
MgNH4PO4 6 H2O loses H2O stepwise as it is heated. Between 40 and 60 C the monohydrate is formed, and above 100 C the anhydrous material is formed. What are the phosphorus percentages of the monohydrate and the anhydrous material?
Calculate delta S for the heating of 1 mole of SO2(g) from 75°C to 1350°C at a constant pressure of 1 bar.
A mixture of gases contains 0.290 mol CH4, 0.240 mol C2H6, and 0.300 mol C3H8. The total pressure is 1.40 atm. Calculate the partial pressure of the gases.
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