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A solid block having a volume of exactly 100.0 cm3 has a mass of 153.6 g. Calculate the block's density. Will the block sink or float in water?
Ammonia and hydrogen chloride gases react to form solid ammonium chloride. A 10.0 L reaction flask contains ammonia at 0.483 atm and 22°C, and 169 mL of hydrogen chloride gas at 7.50 atm and 271 K is introduced.
For the reaction given below at 700°C, Kc = 0.534. H2(g) + CO2(g) reverse reaction arrow H2O(g) + CO(g) Calculate the number of moles of H2 that are present at equilibrium
How many grams of dry NH4Cl need to be added to 2.00 L of a 0.600 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.89. Kb for ammonia is 1.8 X10^-5.
Prepare (2R,3S)-2,3-dibromobutane (a meso compound) starting from a racemic mixture of (2S,3S)- and (2R,3R)-2,3-dibromobutane
Determine the degree of unsaturation for C5H8. Draw constitutional isomers of C5H8 that are terminal and internal. Name each molecule according to IUPAC.
Milk of Magnesia is actually a suspension (that's why instructions often mention shaking before use) of solid Mg(OH)2. 1.00 liter of solution of 0.055 moles of Mg2+ is held at a pH of 7.00. Would a precipitate form? If so, what fraction of the origin..
State A 130.0 mL sample of a solution that is 2.9×10-3 M in AgNO3 is mixed with a 220.0 mL sample of a solution that is 0.10 M in NaCN. Subsequent to the solution reaches equilibrium, Explain what concentration of Ag+(aq) remains
Question- A solution is made by mixing 10mL 0.1M NaOH with 90mL of water. What is the pH of the solution. pH=
What is the compounds molar mass if the density of a gaseous compound of phosphorous is 0.943g/L at 474K when its pressure is 728 torr.?
The final temperature of the system was found to be 28.4 C. Calculate the specific heat of the metal. The heat capacity of the calorimeter is 14.4J/C.
What is the cell potential for the reaction Mg (s)+ Fe2+(aq)=> Mg2+(aq)+ Fe (s) at 79 C when Fe 2+= 3.30 M and Mg2+= 0.310 it M.
when silver ions are added to the red fescn2 ions the red solution disappeared and a white precipitate of agscn formed.
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