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A 3.10g sample of anyhydrous NiSO4 is exposed to moiost air for an extended period of time. At the end of this period, its mass rose to 5.62g, due to pick up of water. Assuming that this represents water of hydration, calculate the value of x in the hydrated salt NiSO4 - xH2O. (molar masses: Ni = 58.69; S = 32.07; O = 16.00; H = 1.008)
When operational in the determination of the calorimeter constant, a DC power source reads 3.60 volts and 2.65A. The resulting thermogram has a slope of 0.0438 degrees C/
In deoxyhemoglobin, Iron atom lies ~0.36 to 0.40 out of the plane of the heme group whereas in oxyhemoglobin it lies of the porphyrine plane. Give reason for this behavious. Talk in terms of coordination number, size and the oxidation state of the..
Calculate E when 900.0 g of CH3OH(g) completely reacts at a constant temperature of 300 K and constant pressure of 0.95 atm. R = 8.314 J/mol*K and R = 0.08206 atm*L/mol*K
write the balanced equation for the reaction of the active ingredients in Gaviscon Extra strength with excess acid.
The first step in the citric acid cycle of food metabolism is reaction of oxaloacetate with acetyl CoA to give citrate. Propose a mechanism, using acid or base catalysis as needed.
From the solubility data given, calculate the solubility products for the following compound Ag3PO4, 6.7 x 10^-3 g/L
How do you calculate the pH when 0.2 moles of NaOH have been added to 1 mole of acetic acid during a titration. The pKa of acetic acid is 4.76.
Assuming that the solute consists entirely of NaCl (over 90% is), calculate the osmotic pressure of seawater at 20 degrees C
calculate the mass of propylene glycol that must be added to .360 kg of water to reduce the vapor pressure by 2.87 torr
determine whether the various proteins are integral or peripheral and exposed to which side of the membrane
At rush hour, the noise from a highway is 1.0 *10^-4 W/m^2 with 100 cars passing a given point a minute. At night the average noise is reduced to 1.0*10^-6 W/m^2. How many cars are now driving on the highway.
How many grams of Fe(OH)2 (Ksp = 1.8 * 10-15) will dissolve in one liter of water buffered at pH = 12.00
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