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Suppose a mixture of helium and neon gases is collected over water at 28.0°C and 745 mmHg. Explain if the partial pres- sure of helium is 368 mmHg, Explain what is the partial pres- sure of neon and vapor pressure of water at 28°C 5 28.3 mmHg.
calculate the number of joules given off when 32.0 grams of steam cools from 110.0 degc to ice at -40.0 degc. cp of h2o
For the compound MX, Ksp is 2.00 × 10-11. The anion X- forms the weak acid HX (Ka = 1.8 × 10-5). Calculate the solubility of MX in 10.00 M strong acid.
What is the potential (volts) of the cell at 25oC when the appropriate beakers are constructed to have MnO2 = 0.0127 mols, [H+] = 0.0130 M, [Mn2+] = 0.167 M, [IO3-] = 0.146 M, and I2 = 0.0154 mols [Note: The standard reduction potentials of the tw..
what is the lewis dot structure of ClO3- add formal charges to the atoms remember that the formal charges will add up to the ion charge
The root mean square velocity of HCl at some temperature was 697.0 m/s. What would be the root mean square velocity of CO2 at this temperature
A calorimeter contains 28.0 mL of water at 12.0C. When 2.00 g of X (a substance with a molar mass of 47.0 g/mol) is added, it dissolves via the reaction
methyl trifluoroacetate is more reactive than methyl acetate, in nucleophilic acyl substitution reactions. Explain.
benzoic acid and dissolve it in 1ml of diethyl ether. this is then extracted with 1 ml of water. the ether is removed, dried with sodium sulfate and ether evaporated yielding 30 mg of benzoic acid. what is the kp value for the ether water system.
Acid chlorides undergo reaction with grignard reagents at -78 degree celsius to yield ketones. Propose a mechanism for the reaction.
Calculate the percentage of alcohol in the patient's body. State the chemical reaction that took place in the patient's body.
How much water mass must be added to .45 moles of glucose to make a 15% by mass solution. The molar mass of glucose is 180 g/mol
For the reaction 2A + B --> 2C, if B is initially 4.0M and 2min later is 3.0M, what is the rate of appearance of C?
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