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Question: Phosphorus pentachloride decomposes to phosphorus trichloride at high temperatures according to the equation:
PCl5(g) → PCl3(g) + Cl2(g)
At 250° 0.375 M PCl5 is added to the flask. If Kc = 1.80, what are the equilibrium concentrations of each gas?
A doctor prescribes 3 g of a drug, daily, for a patient. The pharmacist has only 750-mg tablets available. How many tablets will the patient take daily
What is the volume of an object that has a mass of 3.4 g and a density of 2.4 g/mL? choose one below: 1.4 mL 0.71 mL 1400 mL 710 L 14 mL
a student dispensed 82mL sodium hydroxide(titrant) into the lemon juice(analyte) before the end point was reached. Estimate the analyte concentration, assuming that the acid in the lemon juice is monoprotic.
Calculate the grams of Titanium that will be plated from a Ti(NO3)4 solution using a current of 15 amperes for 3 hours.
What volume of O2, measured at 25C and 1.00atm, is expelled when 425ml of water saturated with O2 is heated from 0 to 25C?
Which of these bases is the strongest one which can be used in aq solution and retain its basic character?
calculate the expansion work done when 3.7 moles of ethanonl are converted to vapor at it's boiling point (78.3 degrees C) and 1.0 atm
Petane and 1-butanol are organic liquids with similar molecular masses but sunstantially different solubility behavior. Which of the two would you expect to be more soluble in water
Which of the following represents the energy that is not available in a system to do work at a particular temperature
How much HCl gas can be produced at STP by reacting 198 g of NaCl with excess H2SO4?NaCl + H2SO4 ! NaHSO4 + HCl.
At this temperature iron is in the BCC form and will dissolve (interstitial) carbon up to about 0.001 wt%. If the criterion is that the carbon concentration equals 0.0002 wt% carbon at a depth of 100 microns, how long must the exposure be?
The mass of the water in the inner bath is 1.40×103g . The temperature of the calorimeter and its contents rises 2.83K as a result of this reaction. Calculate the calorimeter constant.
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