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If I add 90.0ml of distilled water to 10.0mL of 1.00M of HCl, what would the hydronium ion concentration be? What about the pH?
Calculate the pH and the concentrations of all species present H3O+, F-, HF, Cl-, OH- in a solution that contains 0.10 M HF Ka = 3.5*10^-4 and 0.10 M HCl.
Atomic absorption spectrometry was used with the method of standard additions to determine the concentration of cadmium in a sample of an industrial waste stream. For the addition, 5.00 ?L of a 1000.0 ?g/mL
calculate the total heat (in J) needed to convert 20.0g ice at -8.00 c to liquid water at 0.600c? melting point at 1 atm
What is the frequency of ultraviolet light with wavelength 2.51 × 10-8 m? (c = 3.00 × 108 m/s)
How many kilograms of CO2 are produced from the complete combustion of 1.00L of gasoline assume that the gasoline has the formula C8H18.
A dog sits 1.07 m from the center of a merry go-round with an angular speed of 1.44 rad/s. If the magnitude of the force that maintains the dog's circular motion is 41.2 N.
explain Why this separation occur and which solvent will be on top - the temperature of twenty degree Celsius. When hexane is added with H 2 O, there is a separation
Determine the end value of n for an electron transition in a hydrogen atom if the electron starts in n=4 and the atom emits a photon of light with a wavelength of 486 nm.
flask apparatus, which now contains 2.00 L H2 at a pressure of 360 torr and 1.00 L N2 at an unknown pressure. if the total pressure in the flasks is 320 torr after the stopcock is opened, determine the initial pressure of N2 in the 1.00-L flask.
If 164 mL of wet H_2 is collected over water at 24 C and a barometric pressure of 736 torr, how many grams of Zn have been consumed? (The vapor pressure of water is 22.38 torr.)
Sodium saccharin, is a nucleophile, but DMF is not. Explain why
A Newman projection is given for six conformations about the C2-C3 bond of isopentane. On the curve of potential energy versus angle of internal rotation for isopentane, label each energy maximum
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