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An equilibrium mixture contains N2O4 ( 0.28 atm ) and NO2 ( 1.1 atm ) at 350 K. The volume of the container is doubled at constant temperature. Calculate the equilibrium pressures of the two gases when the system reaches a new equilibrium.
A container of water is heated from 23.5C to 85.0C. This process requires 21,900 Joules of heat. Calculate the mass of the water. (c=4.184 J/g-C)
Choose the selection which correctly identifies the sets of hybrid orbitals used by central atoms to form bonds in both of the molecules and/or ions whose formulas are given below: IF4- and BCl4-
Name a few solutions you come in contact with every day. What substances make up these solutions. What is the solvent and the solute
Restricting yourself to straight-chain (unbranched) compounds, draw the structures of the possible constitutional isomers of pentene. There are two "variables" -- the position of the double bond; and cis/trans isomerization at that double bond.
In a particular experiment, 2.25 g of NH3 and 3.75 g of O2 are placed in a container and allowed to react. How many grams of NO will have been formed when all of the limiting reactant has been consumed?
What difference in their structural properties renders the triethylene glycol the only one that will work?
How many moles of HCl are required to make 15.00 ml of an aqueous 2.500 molar HCl solution
A cell composed of a platinum indicator electrode and a silver-silver chloride reference electrode in a solution containing both Fe2 and Fe3 has a cell voltage of 0.719 V. If the silver-silver chloride electrode is replaced with a saturated calome..
Automobile airbags contain solid sodium azide, NaN3, that reacts to produce nitrogen gas when heated, thus inflating the bag. Calculate the value of w (work) for the following system if 11.8 g of NaN3 reacts completely at 1.00 atm and 22 °C.
Sodium reacts with chlorine gas according to the reaction: What volume of gas, measured at 686 and 32 , is required to form 23 of.
Which value is colosest to the POH of a 0.3 M solution of the weak base methylamine (CH3NH2)? the Ka for the acid form of methylamine is 2.27e-11 answer choices are 0.011, 1.94,3.92,10.08 and 12.06.
Commercial concentrated aqueous hydrogen peroxide is 30.% H2O2 by mass and has a density of 1.11 g/mL. What is the molarity of this solution
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