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The flask shown here contains 10.0mL of HCL and a few drops of phenolphthalein indicator. Explain the buret contains 0.120 M NaOH.
Explain what volume of NaOH is needed to reach the end point of the titration?
Explain what was the initial concentration of HCl?
Predict the products of their eliminations, and explain the large difference in the ease of elimination.
What is the percent by mass of NaHCO3 in a solution containing 80 g of NaHCO3 dissolved in 600 mL of H2O?
The specific heat of iron metal is 0.450 J/g-K. How many J of heat are necessary to raise the temperature of a 1.05-kg block of iron from 25.0 Celcius to 88.5 Celcius
If a 2.5 L reaction vessel initially contains 725 torr of cyclopropane at 485C , how long will it take for the partial pressure of cylclopropane to drop to below 105 torr?
What is its de Broglie wavelength?
The solubility of benzoic ascid in water is 6.80g per 100mL at 100 degrees C and 0.34g per 100mL at 25 degrees C. Calculate the minimum volume needed to dissolver 1.00g of benzoic acid at 100 degrees C.
calculate the moles of oxygen gas produced fro 4.40mol H2O2. 2H2O2(i) ---->2H2(g) + O2(g) Express your answer with the appropriate.
Use the following data to estimate the normal boiling point and the molar enthalpy of vaporization of lead
write the molecular formula for given compounds and determine the amount of molecules present.for each of the following
At a certain concentration of reactants the rate of appearance of water in the following reaction is 0.51 M/s.
suggest an helpful technique that might be use to conclude total ca2 in a sample of blood. recommend a next process
Write the balanced net ionic equations for each of the following compounds with aqueous NH4OH 1. HCl (aq) 2. H2SO4 (aq) 3. HNO3 (aq) 4. NaOH (aq)
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