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1. If the base buret were not rinsed with NaOH prior to filling, would the calculated normality of the base be TOO HIGH, TOO LOW, OR UNAFFECTED? WHY?
2. If the vinegar buret tip were not filled with solution before its initial reading was taken, would the calculated normality of the acid be TOO HIGH, TOO LOW, ORUNAFFECTED? WHY?
3. The active ingredient in Philips Milk of Magnesia is Mg(OH)2, in Amphojel is Al(OH)3; and in Aka-Seltzer is NaHCO3. Write balanced net ionic equations showing how each neutralizes stomach acid. (You can answer this question because it is a review of the "IonicChemical Equations" lab you did in Chem 1 A)
Calculate the energy neede to cool 1,755.5g of (CH4) from 35 to -180 if the heat of vaporization is 650 J/g the heat of Fusion is 95.7 J/g, the specific heat of methane gas is 0.54 J/g the specific heat of methane liquid is 0.89 J/g and the conden..
10g of ethane (C2H6) is burned to heat 100g of water. What would be the final temperature of the water if it was initally at 24 degrees Celsius
Problem- What is the proton concenteration in a solution of 102.7 mM acetic acid (this concentration represents the sum of both the acetic acid and the deprotonated acetate) at pH 5.77 if the pKa of acetic acid is 4.76. Report your answer in micro..
Sodium peroxide (Na2O2) reacts with water to form sodium hydroxide and oxygen gas. Write a balanced equation for the reaction and determine how much oxygen in grams
How many mL of 0.25 N of NaOH will be used to titrate 0.348g of primary standard KHP, C6H4COOK . COOH?
at a particular temp k3.75 so2no2 reverse arrows so3no if all four gases had initial concentrations on .800 calculate
Question- For each of the following slightly soluble salts, write net ionic equation (if any) for their reaction with nitril acid in solution 1) Zinc hydroxide
Calculate the pH at the equivalence point in the titration of 68 mL of 0.10 M methylamine (see Table 15.4) with a 0.20 M HCl solution.
The concept of limiting reactant is a very important one in Chemistry. Explain what the concept of limiting reactant means and give an example of a limiting reactant everyday-life situation.
Determine the mass percentage concentration of a sodium hydroxide solution produced by mixing 50.0 mL of a 25 % (density=2.45g/mL) sodium hydroxide solution with 10.0mL of H 2 O?
A sample of NH4HS is placed in an evacuated container as well as allowed to come to equilibrium. The partial pressure of NH3 is then raised by the addition of 0.590atm of NH3. Explain the partial pressure of H2S at equilibrium is now what atm
Calculate the concentration of Iron(II) ions in a solution that contains 0.10M Fe(NO3)2 and 1.00M NaCN.
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