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When a sample of aqueous hydrochloric acid was neutralized with aqueous sodium hydroxide in a calorimeter, the temperature of 100.0 g of water surrounding the reaction increased from 25.0°C to 31.5°C. If the specific heat capapcity of water is 1.00 cal/(g×°C), calculate the quantity of energy in calories involved in this neutralization reaction.
a student titrates 0.738 grams of an unknown solid, weak acid with 0.1027 Molarity NaOH. What is the molecular weight of the unknown solid, weak acid?
Make a pH- log concentration plot for carbonate (10^-3) and acetate acid (10^-4) for total concentrations.
The emulsifying agent from hand cream, a salt, is prepared from two chemicals. Write the structure of stearic acid.
Mercury is a poisonous metal that is used in thermometers. When mercury is at temperatures below its freezing point it has a simple cubic unit cell. How many atoms of Hg are present in each unit cell
For the molecule shown below, choose all the statements that are true. Soluble is where at least 10 drops of the compound can be added to a particular solvent (in this case, water or hexane -- CH3CH2CH2CH2CH2CH3) and the result is one homogeneous ..
Compute the hydroxide ion concentration in a NH 3 solution that is 0.091 M and 0.028 M NH 4 Cl. Kb of NH 3 is 1.8 x 10 -5 .
What is the balanced equation for a reaction between potassium iodide and lead II chloride
Concentration of H 2 is observed 2.15 moles/L When the reaction N 2 (g) + 3 H 2 (g) ?? 2 NH 3 (g) comes to equilibrium. Determine the numerical value of the Kc equilibrium constant?
How much ice was added? The heat of fusion of water is 6.01 kJ/mol and the specific heat is 4.18J(g*C). can someone explain this in detail. other descriptions don't answer this well and im lost when i try and do it
Calculate the pH at the following points (volumes of NaOH added) along the titration curve for leucine. Also, sketch the titration curve for this concentration and volume of leucine with NaOH. a. 0 mL of NaOH added b. 5 mL of NaOH added c. 10 mL o..
Find the maximum temperature (for cases a and b) that can be attained in the burning of methane at constant P according to the reaction CH4(g) + 2O2(g) --> CO2(g) + 2H2O(g)
These names have been provided for an organic compound, but it is incorrect. Please provide the correct name, following IUPAC naming rules.
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