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Calculate the sodium ion concentration when 80.0 mL of 3.2 M sodium carbonate is added to 25.0 mL of 2.3 M sodium bicarbonate.
Which one of the following molecules has a zero dipole moment? A. CO B. CH2Cl2 D. SO2 C. SO3 E. NH3 67. Indicate the type of hybrid orbitals used by the central atom in CCl4. A. sp B. sp2 C. sp3 D. sp3d E. sp3d2 68. What is the hybridization of th..
Write the equation for this reaction, labeling the acid, base, conjugate acid, and conjugate base
The initial mass of a radioisotope is 10.0g. If the radioisotope has a half-life of 2.75 years, how much remains after four half-lives?
what is the chemical reaction of this chemical equation. agno naci- agci
Calculate the number of moles of Br2 that would react with 0.793 moles of AI to form AIBr3?
consider the following equilibrium at 1000k2so2 g o2 g harr 2so3 gnbspa study of this system reveals that there are
Geologists can estimate the age of rocks by their uranium-238 content. The uranium is incorporated in the rock as it hardens and then decays with first-order kinetics and a half-life of 4.5 billion years.
Consider the reaction IO4 ^ - (aq) + 2 H2 O(l) =H4 IO6 ^ - (aq); Kc = 3.5 x 10^- 2 If you start with 27.0mL of a 0.901M solution of NaIO4, and then dilute it with water to 500.0 mL, what is the concentration of H4IO6^- at equilibrium
Find the molarity of a Ca(OH)2 solution,given that 388 mL of it is neutralized in a titration by 117 mL of 0.0058 M HNO3.
How many grams of potassium chloride will be generated on decomposition of 225 grams of potassium chlorate?
Calculate the amount of energy in the form of heat that is produced when a volume of 1.25 L of SO2(g) is converted to 1.25 L of SO3(g) according to this process at a constant pressure and temperature of 1.00 atm and 25.0 °C. Assume ideal gas behav..
Raw milk sours in 4.0 hours at 28 degrees celcius but takes 48 hours to sour in a refrigerator at 5 degrees celcius. Calculate the activation energy for the souring of milk?
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