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Find out the heat capacity of a calorimeter 105mL of .25 NaCl solution is formed in the reaction HCl + NaOH; H2O + NaCl. Change in enthalpy is -57.86 kJ/mol as well as change in temperature is 3.8 C. The density of the NaCl solution formed is 1.01 g/cm3 and its specific heat capacity, Cs is 3.80 J/Kelvin gCalculate it is heat capacity, Crxn and Ccal.
Calculate the pH of the solution after 10.0, 20.0, and 30.0 mL of acid have been added; pKb of (CH3)3N=4.19 at 25 degrees C
CO2 properties: appearance, reaction with limewater, reaction with flame, behavior with water. If positive observation then write a balanced equation.
the reaction n2g 3 h2g ? 2 nh3g is at equilibrium in a reaction chamber. if an experimenter injects a small amount of
The absorbance of the unknown solution before the addition of the standard was 0.5622, and after the addition of the standard was 0.7822.
A mixture initially contains A, B, and C in the following concentrations: [A] = 0.650 M, [B] = 1.35 M, and [C] = 0.300 M. The following reaction occurs and equilibrium is established: A+2B C
Which of the following statements about heat is false. A) If heat flows into a system, the extra energy of the system appears in the form of internal energy. B) A hot object possesses more heat than a cold object.
Find the Density of a substance with a mass of 51.2g and a volume of 150mL
The weight of an object is the product of its mass,m , and the acceleration of gravity,g (where g= 9.8m/s^2 ). If an object's mass is 10kg, what is its weight
A healthy individual has a blood glucose concentration reported as 122 mg/dL. convert that to units of g/L
Methylated lidocaine, Lidocaine is thought to bind to receptors in its methylated form. Identify in writting the atoms or groups in the compound that could be involved in its binding to a receptor via- hydrogen bonding an ionic interaction
if 9.60 g of ice at -6.3 degc and 35.89 g of water at 91.3 degc are mixed in an insulated container what will be the
If 0.10g of benzene (C6H6) is ignited in a 0.3 L vesses at 298K and surrounded by 25atm of oxygen: a) write the net reaction; b) how many moles of O2 were consumed? c) how many moles of product were produced d) what is the change in moles of the r..
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