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210 mg Ca(OH)2 and 210 Al(OH)3. A 8.3×10^-2 M HCl, which is similar to stomach acid, is used to neutralize 5.0mL of liquid antacid. How many mililiters of HCl solution are needed to neutralize Ca(OH)2, then Al(OH)3?
If a reaction mixture initially contains 0.159 M SO2Cl2 , what is the equilibrium concentration of Cl2 at 227 C?
calorimetry can be used to find heats of combustion. suppose a calorimeter helps someone to determine that 4032 kj of heat is released during the combustion of 88.0 grams of propane, C3H8 (44.0 g/mol).
Q 3: The salt NaBrO(3) oxides Sn^2+ to SnCl(6)^2- in the presence of hydrochloric acid according to the equation
A student placed 18.0 grmsof glucose () in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100 gm. mark on the neck of the flask.
A sample containing 0.187 g Cl- is dissolved in 50.0 mL water.How many moles of Cl- ion are in the solution?What is the molarity of Cl- ion in the solution.
Using Henry's Law to calculate gas solubility If air contains 78% N2 by volume, what is the solubility of N2 in water of 25oC and 1 atm (Henry's constant kH for N2 in H2O at 25oC = 7 x 10-4 mol/L.atm)?
What causes cycloalkanes to have two less hydrogen atoms than similar alkanes that are open chain ones? i) What is the three dimensional structure of methane? Why?
How many joules of heat are required to heat 167 g of aluminum from 34.0 oC to 66.5oC?
Description of Lipids 1) What are the ingredients of a cephalin? 2) Which fatty acid is always unsaturated in a cephalin? Why?
If you have 330 ml of water at 25 degrees and add 110 ml of water at 95 degrees, What is the final temperature of the mixture.
How many milliliters of 0.200 M NaOH will be required to titrate 19.6 mL of 0.479 M H2SO4
How much heat is required to warm 221 g of ice from -44.7°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
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