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Obtain an algebraic equation for P2 in terms of the other variables (including ‘n'). Next, obtain an expression for total work done in the process.
Draw the molecule CH3+ by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons.
A 2.35 g sample of KClO3 is reacted. How many mL of O2 gas is produced at a pressure of 740. mmHg (0.974 atm) and a temperature of 298K?
A ruby laser produces radiation of wavelength 633 nm in pulses whose duration is 2.00 x 10-9 s. If each pulse contains 1.20 x 1018 photons, what is energy of each pulse?
A sample containing 3.50 moles of N2 and 7.50 mol of H2 is placed in a reaction vessel. Set up an equation relating KP and the extent of reaction.
Modeling the process as a Carnot refrigerator operating between an infinite hot reservoir and afinite cold reservoir of total heat capacity Ct , determine an expression for the minimum w
Carbon disulfide (CS2) undergoes a single displacement reaction with O2 to form CO2. If 100 grams of CS2 reacts with 38 grams of O2, what will the limiting reagent be?
A phosphate concentration of 1.5 mmol m-3. Which of these nutrients is likely to limit production if the light supply is adequate and there is no nitrogen fixation?
Assuming that the total pressure of the gases is 1.34atm and that their mole ratio is 94 : 4.0 : 1.5 : 0.50, calculate the partial pressure (in atmospheres) of each gas ?
An otherwise empty 2.50 L flask and heated to 200.°C, the pressure in the flask gradually rose to 1.63 atm and remained at that value. Calculate K for this reaction.
What is the empirical formula of the compound that contains 60.87 percent carbon, 4.38 percent hydrogen, and 34.75 percent oxygen?
What will the approximate intensity of the isotope peak compared to the molecular ion peak? can any time the isotope peak be of comparable intensity?
when 4.4g of propane are burnt in excess oxygen 7.2g of water are formed. calculate the mass of water formed when 22 g of propane are burnt ?
List possible formulas of molecules with M+=100. assume that C, H, and O may be present. what kind of mass spectrometry will you use to distinguish between them?
Assume that a particular reaction evolves 228 kJ of heat and that 40 kJ of PV work is gained by the system. What are the values of Delta E and Delta H for the system?
One way of obtaining pure sodium carbonate is through the decomposition of the mineral trona, Na5(CO3)2(HCO3)⋅2H2O, as shown in the following reaction:
A leak develops some carbon dioxide escapes, leaving only 3.5 moles of carbon dioxide inside the balloon. What is the new volume of the balloon? Enter only the numeric value for your answer (no unit
If You Analyzed Each Of The Substances NaBr, KOH, CrPO4, Pb(OH)2, RbCl, LiNO3 By Mixing Them With Water In A Beaker, Which Substance Would Be Most Likely To Fall To The Bottom Of The Beaker?
If 2.31g of the vapor of a volatile liquid is able to fill a 498-ml flask at 100 degree celius and 775 mm Hg, what is the molecule weight of the liquid? What is the density of the vapor under these
calculate the mass percent, the mole fraction, and the partial pressure of carbon dioxide after cooling back down to the initial temperature.
If the freezing point og a 100.0g sample of 2-methyl-2-propanol is 24.59C, how many milligrams of water are present in sample(Kf(2methyl-2propanol=4.68Ckg/mol)
Calculate the free energy of hydrolysis of ATP in a rat liver cell in which the ATP, ADP and Pi concentration are 3.4, 1.3 and 4.8 mM respectively. Use R=8J/K.mol and T=25 oc
The mass of the crucible plus CaO (M.W 56.077 g/mol) was 26.7134 g. Calculate the concentration of Ca (MW40.078 g/mol) in the water in units of gram per 100 mL.
If 507 g FeCl2 were used up in the reaction FeCl2 + 2NaOH Fe(OH)2(s) + 2NaCl, how many grams of NaCl would be made?
What is the pressure if the volume of the container is maintained constant and the temperature is raised to 383 degrees C?