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Calculate the concentrations of the protonated and unprotonated forms of bromothymol blue in 100 mL of a pH 8.1 buffer solution to which 1.0 mL of a 0.005 M solution of bromothymol blue in 80%water/20%ethanol has been added.
What do you notice about the element Technetium (Tc) compared to the other elements around it? You see the same thing as some of the very heavy elements
if 836.8 Joules are added to 25 grams ammonia at 37 degrees Celsius, what will the final temperature be?
The molecular shape of [TeF3 ]-1 is: A. tetrahedral B. square planar C. square pyramidal D. trigonal bipyramidal E.octahedral F. T-shaped G. see-saw, butterfly, or unsymmetrical tetrahedron
Copper and zinc (elements 29 and 30, respectively) appear next to each other on the periodic table. A 5.50 g sample of zinc has a volume of 0.770 mL, while a 5.50 g sample of copper has a volume of 0.616 mL. Why?
Consider a mixture of ingrediants at equilibrium for this reaction. 2 PH3 (g) P2 (g) + 3 H2 (g) Which of these is true if the container volume
An absorption measurement of this ASA solution at 275 nm in a UV-vis spectrometer with a 1.00 cm cell was 0.78. The solvent had an absorbance of 0.01 at 275 nm. Measurement of a 4.05x10-4 M ASA standard solution at 275 nm was 0.579.
Write a balanced nuclear equation for the following: The nuclide bismuth-214 undergoes alpha emission to give thallium-210.
Draw the two possible products of the reaction between benzaldehyde and ethylpropylketone
What total volume of gas forms if it is collected over water at a temperature of 25 ^\circ {\rm C} and a total pressure of 753{\rm mmHg} ? of a 12.5g of Ag(s) 2g2O(s)-> 4Ag(s) + O2
The orbital energy of any atomic species depends on factors other than the principle quantum number n and any given energy level in H is more stable than the same level in H+.
What are the pH values if you take into account that the 8.00 mL of 0.10 M Acid was first diluted with 100 mL of water
Predict the major organic product of the reaction between N-propylacetamide and sodium benzoate upon heating at 140 degrees Celsius. Select one: N-propylbenzamide propyl benzoate phenyl propanoate acetic benzoic anhydride sodium acetate no reactio..
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