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Calculate the pH of the diaprotic acid solution 0.0028 M H2TeO4 (aq) (telluric acid) at 25 degrees C, ignoring second deprotonations only when the approximation is justified. Ka1= 2.1x10^-8 and Ka2=6.5x10^-12.
Here is the problem which I am struggling on, please help me!
a tank contains a mixture of 3.0 mol of nitrogen 2.0 mol of oxygen and 1 mol of carbon dioxide at 25 degrees and a
An aluminum atom has a diameter of 143 pm. How many aluminum atoms can be placed on a line 1.00 mm long
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carbon monoxide and oxygen react to produce carbon dioxide. if 75.3 l of carbon monoxide and 38.0 l of oxygen are used
the net atp yield for the complete oxidation of a single glucose molecule is 30 atp. phosphorolysis saves energy and
A buffer solution is.290M in a weak base with kB of 2.8*10-5 as well as .490M in the conjugate acid what is the pH
A hypothetical weak acid, HA, ws combined wih NaOH in he following proporions: .2 mol of HA, .08 ml of NaOH. The mixture was diluted o a total volume of 1.0 L and the pH measured. a) if pH= 4.80, what is the pKa of the acid
What is the absolute pressure in a lake 90.00 meters under water (? = 1.00 g/mL) when the atmospheric pressure is 101.325 kPa?
At 105 °C, the reaction 2NO2(g) ? N2O4(g) has Kp = 0.054. What is the value of Kc at this temperature?
Describe how to prepare 0.200 L of 0.450 M HCl solution, starting with a 2.00 M HCl solution. What volume (in L) of the 2.00 M solution
Asprin, whose structure can be found in the introduction, can be made from the reaction of a phenol and an anhydride. Give the phenol and anhydride that could be used to make aspirin?
A student mixes 50 ml of 1.00M H2SO4 react with 100. ml (1 x 10^2 ml) of 1.00M NaOH in a calorimeter. The temperature of both solutions initially at 22.85 deg Celsius changes to 28.86 deg Celsius.
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