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What is the net ionic equation for a solution of calcium chloride and a solution of mercury (I) nitrate?
61.5 mL of 0.11 M sodium hydroxide were required to completely neutralize 23.7 mL of sulfuric acid. Calculate the concentration of the sulfuric acid solution
How much heat is released when 105 g of stem at 100.0*c is cooled to ice at -15.0*c. The enthalpy of vaporization of water is 40.67 kj/mol, the enthalpy of fusion for water is 6.01 kj/mol, the molar heat capacity of liquid water is 75.4 kj/(mol x ..
Ammonia can be made by reacting calcium cyanamide (CaCN2) with water as shown: CaCN2 + 3 H2O => CaCO3 + 2 NH3. How many grams of water are required to react with 212.9 g of calcium cyanamide
Indicate the pH at (a) the beginning of the titration (0.0 mL titrant) and after the addition of (b) 12.5 mL, (c) 24.0 mL, (d) 24.9 mL, (e) 25.0 mL, (f) 25.1 mL, and (g) 30.0 mL of the titrant. Label the half-neutralization point and the equivalen..
25.0 mL of 1.50M LiOH are neutralized by 15.0mL of nitric acid. what is the molarity of HNO3?
In a lab exercise 2.43 grams of sodium chloride NaCl is placed in a calorimetric cup containing 50 mL of water at 19 degrees celcius. After mixing the solution temperature is 16.5 degrees celcius.
Arrange the following from the smallest number of representative particles to the largest number of representative particles.
The volume of a sample of hydrogen is 798mL and it exerts 621mmHg pressure at 5.00C. what volume does it occupy at standard temperature and pressure.
Assume that the coffee has the same density, 0.997g/mL , and specific heat capacity, 4.184\rm J/(g\cdot K) , as water over this temperature range. Express the number of photons numerically.
suppose that the volume of a particular sample of Cl2 gas is 8.70 L at 895 torr and 24 Celsius, what volume will the Cl2 occupy at STP
If 62.0 mL of H2 and 62.0 mL of ethylene (C2H4) are allowed to react at 1.5 atm, the product ethane (C2H6) has a volume of 62.0 mL. Calculate the amount of PV work done, and tell the direction of the energy flow. C2H4(g) + H2(g) --> C2H6(g)
Breathalyzers determine the alcohol content in a person's breath by the following (unbalanced) redox reaction:
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