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Calculate the pH of a solution formed by mixing 5.00 mL of 0.015 M HBr with 20.0 mL of 0.200 M HCL.
calculate the amount of heat in kJ absorbed if a 200-g sample of water is heated from 22.8 degrees celsius to 41.5 degrees celsius with the specific heat of water being 4.184 J/ g degree celsius
At a given temperature the vapor pressures of benzene and toluene are 183mm Hg and 59.2mm Hg. Calculate the mole fraction of benzene in the vapor phase over a solution of benzene and toluene with Xbenzene=0.600
a 1.80-g sample of a large biomolecule was dissolved in 21.0 g of carbon tetrachloride. the boiling point of this
the addition of h2 to cc double bonds is an important reaction used in the preparation of margarine from vegetable
considering the given chemical equationnbsp 2h2sg2h2gs2g for the equilibrium where givennbsp kc9.0x10-8 at the
How is the rate of disappearance of ozone related to the rate of appearance of oxygen in the following equation: 2 O3 (g) ? 3 O2 (g) (rate expression)
a couple drops of phenophalein indicator and then was titrated with 8.1mL of NaOH until it turned pink. what is the concentration of NaOH?
determine the cell potential for the galvanic cell described below. pts bro4- 10.6 mm bro4- 4.9 mm ph 6.17 no3- 12.6
To calculate the concentration of protein is it 10/990 or 10/1000? And does the original concentration of solution even matter when calculating the solution concentration?
A gas measures 10ml at 27degree celcius and 750mm of mercury what will be the mole of gas at 15degree celcius and 750mm of mercury
For an electron in a hydrogen atom, compute the most likely radius (in Angstroms) of the electron in each of the following states:
Place the following compounds in order of increasing strength of intermolecular forces. CH4, CH3CH2CH3, CH3CH3
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