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Gaseous indium dihydride is formed from the elements at elevated temperature: In(g)+H2(g) (reactions goes both ways=double arrow) to InH2(g) with Kp=1.48 at 973 K. Partial pressures measured in a reaction vessel are: P(In)=.0570atm, P(H2)=.0350atm, P(InH2)=.0800atm. What are the equilibrium partial pressures of In, H2, and InH2?
Calculate the molecule weight of the liquid If 2.31grams of the vapor of a volatile liquid is able to fill a 498-ml flask at temperature of 100 degree Celsius and pressure of 775 mm Hg? also determine the density of the vapor under these conditi..
what volume of .2500M colbaat(III)sulfate is required to react completely with 5.00 grams of sodium carbonate?
Oxalic acid, H2C2O4 has acid dissociation constants Ka1 = 5.9 x 102 and Ka2 = 6.4 x 105. What is the pH after 20.00 mL of 0.0500 M NaOH is added to 5.00 mL of 0.2000 M H2SO3.
The mass of a cube of gold with one side measuring 150. cm is ______ kg. The density of gold is 19.32 g/cm3
Calculate the pH of a solution containing 0.085 M nitrous acid (HNO2; Ka= 4.4 × 10-4) and 0.10 M potassium nitrite (KNO2).
How many grams of Cu metal (63.55 g/mol) will be plated out of a Cu(NO3)2 solution by passing a current of 3.00 amperes for 11 minutes?
What mass of water (in g) would need to evaporate from your skin in order to dissipate 0.8 x 10 5 J of heat from your body?
How many moles of S8 are needed to make 0.600 moles of SF4? S8 + 8 Cl2 = 8 SCl2 ; 3 SCl2 + 4 NaF = SF4 + S2Cl2 + 4 NaCl
the pH of a saturated solution of a metal hydroxide MOH is 9.68. calculate the Ksp for the compound
how many liters of oxygen will be produced if 162 grams of aluminum chlorate is decomposed
Consider the following cell: Pt|H2(g, 0.645 atm)|H (aq, ? M)||Ag (aq, 1.00 M)|Ag(s) If the measured cell potential is 1.20 V at 25 °C and the standard reduction potential of the Ag /Ag half-reaction couple is 0.80 V.
How many kilograms of chalcopyrite must be mined to obtain 290. g of pure Cu ?
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