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how many miligrams of concentrated sulfuric acid (H2SO4) [having the strength is 18 M], are required to prepare 750 ml of 3.0 M (H2SO4) solution?
A 44 sample of water absorbs 329 of heat If the water was initially at 21.7, what is its final temperature.
Compound A (C10H16O3) is insoluble in H2O, but soluble in bicarbonate solution. It yields a 2,4-dinitrophenylhydrazone derivative. Catalytic hydrogenation of Compound A
Determine the pH of a 0.62 M NH4NO3 solution at 25°C. The Kb for NH3 is 1.76 × 10-5.
hydrogen gas is generated when calcium reacts with water. the volume of gas collected over water at 30 degree celcius and pressure of 988 mm Hg is 641 ml. what is the mass in grams of the hydrogen gas obtained? the pressure of water vapor at 30 de..
How many moles of water will be formed from 0.2 mole of CH4 reacting with enough O2. In this reaction CH4+2O2--->CO2+2H2O
At a certain temperature and pressure 2.8 L of N2 reacts with 4.2 L of O2. If all the N2 and O2 are consumed, what volume of N2O3, at the same temperature and pressure, will be produced
It is heated so that its pressure increases from 1.50 atm to 407 atm. Determine the work done on the gas during this process.
Sodium atoms emit light with a wavelength of 330 nm when an electron moves from a 4 p orbital to a 3 s orbital. What is the energy difference between the orbitals in kilojoules per mole?
What is the pH of 10 drops of triethylamine in a dropperful of demineralized water? How does the reaction between triethylamine and water explain the measurement of the pH?
What is the sum of the coefficients in the balanced equation that represents the complete combustion of the relatively new
Calculate the percent by weight, mole fraction and mole percent of each component in a mixture consisting 9g of water (H2O), 120g acetic acid(CH3COOH) and 115g of ethyl alcohol (C2H5OH).
consider a major oil spill in a lake ( a prototype situation related to Alaska Oil Spill few years ago and many subsequent spills) Amount of oil spilled is 2.9 mega gram (Mg).
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