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What is the molar concentration of Na+ ions in 0.035 M solutions of the following sodium salts in water?
What will be the value of E cell and E0 cell when the Cu/Zn battery has "run down" I.e., reached equillibrium? Also will the concentrations of Zn2+ and Cu2+ be large or small when the battery has "run down"? Does this make sense?
A certain number of sodium ion lattice points and a certain number of chloride ion lattice points are required. How many chloride ion lattice points are in the unit cell as described above?
The concentration of A was 0.30 M after 23 seconds. What was the initial concentration of A. Assume the stoichiometric coefficient for A is 1.
Determine the new equilibrium concentration of hydrogen, if the hydrogen concentration is raised by 0.299 M?
Cobalt-60 exhibits first order decay and has a half-life of 5.26 years. If it must be replaced in a radiotherapy unit when its radioactivity decreases to 75% of its original value, how long can a 1.00 g sample be employed?
Calculate the mass of methane that must be burned to provide enough heat to convert 151.0 g of water at 43.0°C
What is the fate of acetyl CoA in the mitochondria in the presence of the following? (a) high ADP levels? (b) high NADH/NAD+ ratio? (c) low levels of oxaloacetate
Crude gunpowders often contain a mixture of potassium nitrate and charcoal (carbon). When such a mixture is heated until reaction occurs, a solid residue of potassium carbonate is produced.
when atoms lose more than one electron, the ionization energy to remove the second electron is always more than the ionization energy to remove the first.
Application of the concepts of VSEPR theory leads us to conclude that the shape of the SO3 molecule is
A person's blood alcohol (C2H5OH) level can be determined by titrating a sample of blood plasma with a potassium dichromate solution. The balanced equation is
Carbon NMR has only the following peaks: 29.8, 36.1 and 206.8 ppm. Propose a structure of this compound and explain splitting pattern and the ratio
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