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The objective of part A in an experiment is to determine the pH of several common household items with both an indicator and pH paper. Which is more accurate? What about part B? What result.Topic example: Topic 1: The strongest acid of the common household items was a tie between lemon juice and toilet bowl cleaner. The strongest base was a three way tie between baking soda, ammonia, and Windex.Topic 2:Topic 3: Topic 4:Topic 5:
KBr solution added to this colorless solution will cause pale yellow AgBr to precipitate. List the species, Cl-, NH3, or Br- in order of decreasing stability of the compounds or complexes that they can form with silver and explain your reasons.
the dilute acid solution and titrate it with standard solution. You need 19.0mL of the standard solution to reach the end point. what is the concentration of the original acid solution?
The volume of an average stomach is about 1.0L. Suppose that a particular condition of acid indigestion is equivalent to the presence of a 0.50% HCl (by mass) solution.
Would you expect a Diels-Alder reaction between maleic anhydride and naphthalene to require more or less harsh conditions
A 0.1019g portion of an aspirin tablet was dissolved in sufficient water to prepare 1.000L of solution. A pipet was used to transfer 10 mL of the solution to a 100 mL volumetric flask.
Solid melting infinitesimally slowly at its melting point. liquid freezing below its freezing point. liquid vaporizing above its boiling point
Plot the normalized particle in a box wavefunctions for an electron in a box of 1210 pm for n=1-6 on the same plot. Are any patterns evident? what is the probability of finding an electron in the middle 605 pm for n=6
Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.025 moles of sulfuric acid is mixed with water to make 115 mililiter of solution, what is the molarity of H+?
Assuming the solution has a heat capacity of 4.18 J/°Cg and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol."
A gas sample has an original volume of 650 ml when collected at 750 mm and 30°C. If a change is made in the gas temperature which causes the volume of the gas sample to become 800 ml at 1.00 atm, what is the new temperature
A student titrated 20.0 mL of 0.410M HCL with 0.320M NaOH. Find the pH, [H3O+], and [OH-] when 21.50mL of titrant has been added.
First prepare a stock solution that is 1.00 x 10-2 M in phosphate ion. How many g of Na3PO4 would you add to a 100 mL volumetric flask to to prepare this solution. An what is the ppm of phosphate
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