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If 50 ml of 0.20 M HCL(aq) are mixed with 50 ml of 0.20 M NaOH (aq), each at 22.2 C, what is the temp of the final solution after thermal equilibrium is established? The heat of neutralization -56kj/mol. Assume there is not heat lost to the surroundings. Also assume the specific heat of the solution is 1.0 Cal/g*c and the density of all solutions is 1.0g/mL
what is the volume of the drink (in mL) required to meet the RDA?
How many carbon dioxide in kilograms is produced upon the complete combustion of 18.9 L of propane(Many home barbecues are fueled with propane gas
How much water is needed? a.)10mL HCl; 10mL water b.)5mL HCl; 5mL water c.)20mL HCl; 10mL water d.)5mL HCl; 10mL water
How the two solutions are properly mixed together? What is the role of the meniscus in this process?
Calculate the masses of the reactants and products of the following equation. Please show work.
Milk spoils about 5x as fast at 300 K as it does at 250 K. What is the apparent activation barrier for the "milk spoiling" reaction
Draw structures corresponding to each of the given names. Draw: 2-fluoro-3-methylpentane, 3-cyclobutylpentane
A generic salt, AB, has a molar mass of 189 g/mol and a solubility of 6.10 g/L at 25 C what is the Ksp of this salt
the lead in lead pencils is actually almost pure carbon, and the mass of a period mark made by a lead pencil is about 0.0001g. How many carbon atoms are in the period.
If a heated metal block is placed into a beaker of water, what is the relationship between the final temperatures of the water and the metal block?
Using the Rydberg equation calculate to four sig figs the energy of electromagnetic radiation necessary for ionization
Two solid forms of elemental sulfur (S8) are rhombic and monoclinic, denoted A and B, respectively. For the transformation S8(s,A) --> S8(s,B), dH* = 330 J/mol and dS* = 80 J/mol*K.
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