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which solution would show the greatest change in pH upon the addition of 15.0 mL of 1.0 M HCl to 1.0 L of each of the following solutions?
a.) 0.50 M CH3COOH + 0.50 M NaCH3COO
b.) 0.10 M CH3COOH + 0.10 M NaCH3COO
c.) 0.50 M CH3COOH
d.) 0.10 M CH3COOH
e.) 0.50 M NaCH3COO
Why does the absolute refractory period occur and What is happening in the cell.
All organic (carbon-cointaining) products and cataloytic conditons must be shown as well as multiplel products. Studying for final. 2,4dimethypent-2- is the starting product
Calculate the potential volume of the gas contained in 500-mL aerosol can when it is heated from 25 degrees C to 54 degrees C (approx. 130 degrees F) assuming a constant pressure.
The decomposition of carbon disulfide, CS2 to form carbon monosulfide, CS and sulfur is first order with k = 2.8 x 10^-7 / second at 1000 degrees C. CS2 => CS + S determine how many days would be needed before a 1.00 gram sample of CS2 had decompo..
15.0 mL of 0.50 M HCl is added to a 100.-mL sample of 0.496 M HNO2 (Ka for HNO2 = 4.0 × 10-4). What is the equilibrium concentration of NO2- ions?
If a protein sample has a molar mass of approximately 14,000 u, what is the expected freezing point depression when 1.00g is dissolved in 50.0mL of distilled water
A solution is prepared by dissolving 18.536g of calcium nitrite in 183.544g of distilled water. Calculate the boiling and freezing points of this solution.
Determine the numbers of electron pairs (both bonding pairs and lone pairs) on the iodine atom in the following.
What is the heat change in J associated with 15 g of solid ethanol at -177 oC changing to gas at 146 oC?
Joseph Priestley discovered oxygen in the eighteenth century by using heat to decompose mercury(II) oxide: 2 HgO(s) + heat --> 2 Hg(s) + O2(g)
The normal boiling point of ethanol (C2H5OH) is 78.3 °C and its molar enthalpy of vaporization is 38.56 kJ/mol. What is the change in entropy in the system in J/K when 62.2 grams of ethanol
In an experiment conducted last Tuesday, the time it takes for a certain reaction to proceed seems to be related to the initial concentration of one of the reactants A.
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