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The combustion of a 25.0g gaseous mixture of H2 as well as CH4 releases 2354KJ of heat. Compute the amounts of the gases in grams.
naoh co2 - na2co3 h2o.if the average human body discharges 716 g of co2 per day how much naoh is needed each day for
What would be the pH of a 3x10-4 M solution of acetic acid (CH3COOH) given its acid dissociation constant Ka = 10-4.75? What are the concentrations of CH3COOH and CH3COO-
When CO(g) (9.035 mol) and 144.6 grams of O2(g) in a 220.0 L reaction vessel at 608.0 °C are allowed to come to equilibrium the mixture contains 0.02021 mol/L of CO2(g). What is the concentration (mol/L) of CO(g)? 2CO(g)+O2(g) = 2CO2(g)
The molecular weight of vincristine, a pharmaceutical drug, is 923.04. It is supplied in 1 mg per vial. You want to treat your culture cells with a final concentration of 5 hM vincristine and will need 30 ml of cells for your experiment
A bird is flying around the world at a rate of 8.85 ft/sec. How many days will it take to complete its journey? (circumference of earth = 24,900 miles.
Draw the product obtained when trans-3-octene is treated first with Br2 in CH2Cl2, second with NaNH2 in NH3
What would be the chemical potential of the gas at the same temperature but at pressure P? Assume ideal gas behavior
Which molecular species would be necessary for the formation of the product in the reaction; a primary carbocation, a tertiary carbocation, a primary carbanion, a secondary carbanion or SO4?
In the Bohr model of the atom, each of these bands corresponds to a transition from a particular quantum orbital energy level to another (n = 1, 2, 3,...). For mercury, which observed color band corresponds to the largest energy difference between..
Determine why the 2s and 2p orbitals on Hydrogen are degenerate and they are not in the case of Lithium and calculate Kp at 5 degrees and enter your answer in scientific notation if delta H rxn= -128 kj/mol CH 3 OH,?
An amount of potassium acid phthalate (KHP) weighs 0.426g (KHP has molar mass of 204.3g/mol and is monoprotic, that is, reacts one-to-one by mole with NaOH) The KHP is dissolved in a small amount of water and titrated with 14.06ml of NaOH. Calcula..
The solubility of KNO3 is 38 g/100 g H2O at 20 degrees Celsius and 1.50 times 100 g/100 g H2O at 70 degrees Celsius. A solution is prepared by mixing 45 g of KNO3 in 35 g H2O at 70 degrees Celsius. Will all of the potassium nitrate dissolve at 70 ..
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