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Compute the concentration in molarity of an NaOH solution if 25 ml of solution is needed to neutralized 19.1 ml of 0.305 M HCl solution
What is the standard reduction potential and standard oxidation potential of water? I can't tell from the chart because water is in two places.
What is also produced when neon-20 is bombarded with an alpha particle to give oxygen-16
The voltage across the leads of a glass pH-reference combination electrode immersed in a solution of pH 8.00 was 133 mV. Calculate the expected voltage if the pH of the solution is raised to 9.00
A 100 mm diameter silicon wafer is oxidized completely. What is the thickness of the resulting SiO2 wafer? The molecular weight of Si is 28 g/mol and of SiO2 is 60 g/mol.
if you used 8900 kilojoules you expend in energy in one day to heat 49000g of water at 19 C what would be the rise in temperature.
the equilibrium contant kc=49 at 230^0C, for the reaction PCl3 + Cl2= PCL5. If 0.50mol of each of phosphorus trichloride and chlorine are added to a 5.0L reaction vessel.
Which of these ions best represents the conjugate acid in a "phosphate" buffer at physiological pH? Explain. H2PO4^-, HPO4^2-, PO4^3-
A solution of barium hydroxide at 25C is 0.125 M Ba(OH)2. What are the concentrations of hydronium ion and hydroxide ion in the solution
The minimum energy required to break an oxygen-oxygen bond in ozone (O3) is 387 kJ/mole. What is the longest wavelength of light
if 836.8 Joules are added to 25 grams ammonia at 37 degrees Celsius, what will the final temperature be?
calculate the lattic parameter and the atomic radius from this information. (b) What is the planar density of atoms in the (110) plane (and sketch how they are arranged).
What is the molecular weight of thiopene, if 0.74 g of thiopene occupies a volume of 270 mL at 760 mmHg and 100 degrees C?
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