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Explain the volume of carbon monoxide gas (CO) collected over water at 25 C was 680 c3 with a total pressure of 752mmHg. The vapor pressure of water at 25 C is 23.8 mmHg. Find out the partial pressure and mole fraction of CO in the container
You have 493 mL of chlorine trifluoride gas at 699mmHg and 45 degrees Celsius. What is the mass (in grams) of the sample.
A standard method for the determination of glucose in serum is reported to have a standard deviation of 0.40 mg/dL. If s = 0.40 is a good approximation of lower case sigma
Metal X was plated from a solution containing cations of X. The passage of 48.25 C deposited 31 mg of X on the cathode. What is the mass of X (in grams) per mole of electrons.
Using the value of 7.3 kcal/mole for ATP, how many kcal are conserved as ATP from one mole of glucose in each of the following
Milk of magnesia, Mg(OH)2, is prepared from aqueous solutions of magnesium sulfate and sodium hydroxide. If a solution containing 50.0g of MgSO4 is added to a solution with 50.0g of NaOH, what is the limiting reactant and mass of milk of magnesia ..
Write the reactions for the preparation of the diaonuim salt for the coupling of the salt with the sodium salt of 2-napthol.
calculate the ph that results when 100 mL a liquot of 0.0500 M is added to 400 M of a NH3/NH4+ buffer that is 0.200 M in NH3 and 0.300 M in NH4Cl
In the determination of the specific heat of a metal, why is it desirable to use the minimum volume of water that will allow immersion of the metal sample
A person ate 0.919 pound of cheese (an energy intake of 7350 kJ). Suppose that none of the energy was stored in his body. What mass (in grams) of water would he need to perspire in order to maintain his original temperature? (It takes 44.0 kJ to v..
Radical chlorination of pentane is a poor way to prepare 1-chloropentane but radical chlorination of a neopentane, (CH3)4C, is a good way to prepare neopentyl chloride
Calculate the E°cell values for the galvanic cell in Q1. IO3- (aq) + Fe2+ (aq) D Fe3+ (aq) + I2 (aq) 4. Calculate DG° at 25 °C for the reaction
How much heat is emitted when 4.55 of water condenses at 25 ? The heat of vaporization of water at 25 is 44.0.
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