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If a sample of an ideal gas has a mass of 0.311 grams. Its volume is 0.225 L at a temperature of 55oC as well as a pressure of 1.166 atm. Determine its molar mass
find the rate of the reaction.c2h4gnbspnbspnbsp o3gnbsp harrnbspc2h4ognbsp nbsp o2ga. the concentration of
Would it be possible to vary the temperature of a system consisting of water and ethanol (CH3CH2OH) while maintaining an equilibrium between solid, liquid, and vapor phases?
The enthalpy of fusion of water is 6.0 kJ/mol and the heat capacity of ice is 36.5 J/mol C. How many kJ of heat is given off when 5 mol of liquid water at 0 °C is frozen to ice at !10 °C
An element forms a body-centered cubic crystalline substance. the edge length of the unit cell is 287pm and the density of the crystal is 97.92 g/mL. calculate the molar mass of the substance.
A sample of neon has a volume of 270 mL when it is at a pressure of 831 mmHg. What will be the volume when the pressure is increased to 1238 mmHg?
Exactly 20.00 mL of standard 0.1171 M Ca(OH)2 are titrated with a solution of citric acid, H3C6H5O7. If 17.43 mL of the citric acid solution are required to reach the endpoint, what is its molarity
a 10.1 g sample of cacl2 is dissolved in 119 g of water with both substances at 25.0degc. calculate the final
Describe the preparation of 12 mL of a 0.050 M solution of each of the halogens, using the reactions in the preceding question. Available to you are solid Ca(OCl)2
Give equations to show how sulfuric acid can convert 4-methycyclohexene into a mixture of four isomeric C7H12 compounds (including starting material). Predict the relative amounts of each isomer.
Select all of the correct statements about reaction quotients and equilibrium constants from the choices below.
With of the following will change the value of an equilibrium constant a) changing temperature b) adding other substances that do not react with any of the species involved in the equilibrium
Calculate the molar concentration of HCl if 25 mL of the HCl solution quantitatively react with 19.58 mL of an 0.1062 M solution of NaOH. Write the balanced equation.
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