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Why does the pink color of phenolphthalein fade away and is soda pop acidic? Why?
Sodium borohydride reacts very slowly with ethanol to evolve a gas. Write a balanced equation for this reaction.
How is the mass in amu of one atom of an element related to the mass in grams of one mole of the element?
The minimum energy needed to eject an electron from a sodium atom is 4.41 X 10^-19. What is the maximum wavelength of light, in nanometers, that will show a photoelectric effect with sodium?
Determine qp for this reaction using deltaH = qp *Just scratching the surface on enthalpy, the help in understanding the process in full is much appreciated
Organic chemistry, When 2-butene reacts with hydrogen chloride gas, only one product is detected, whereas when 1-butene reacts similarly
The solubility of KNO3 is 155g per 100g of water at 75 degrees C and 38.0g at 25degrees C. What mass in grams of KNO3 will crystalize out of solution if exactly 100g of it's saturated solution at 75 degrees C is cooled to 25 degrees C?
The temperature rises from 19.25C to 22.17C. If the heat capacityof the calorimeter is 98.6J/C, calculate the enthalpy change forthe above reaction on a molar basis
What is the equilibrium concentration of chloroacetic acid, HC2H2O2Cl, in a solution prepared by dissolving 0.0277 mol of HC2H2O2Cl in 1.00 L of water
What is the equilibrium constant Kc of this reaction? Use an ICE table with numbers.
a monoprotic acid with a solution of sodium hydroxide of known concentration, what quantities are equal at the equivalence point
Choose the answer which lists the atoms Pb, Ga, Ti, Br, and Sn in order of increasing effective nuclear charge experienced by the electrons in the n = 3 electron shell.
A beaker contains 250 mL of .0150 M silver ion. To this beaker is added 250 mL of .300 M bromide ion. What is the concentration of Ag+ in the final solution. Ksp for AgBr = 5.0 x 10^-13
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