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A freshman is currently enjoying the Arts Studio program she is pursuing at a well-known university. In her free time, she likes to skate, take salsa dance lessons, and cook. She particularly enjoys pickling and decides to pickle olives over a leisurely weekend. According to the recipe, she needs to add three teaspoons of salt to one cup of diced olives. However, she erroneously adds six teaspoons instead. Each teaspoon of salt weighs about 5g and contains about 2,300 mg of sodium.
Determine the amount of sodium that has been actually added, in grams and state the chemical formula of salt & classify the bond as ionic, polar or non-polar covalent.
The bond angles in H3O+ are:? a) slightly less than 109.5o b) exactly 109.5o c) slightly less than 90o d) exactly 90o
What are the concentrations of all of the following ions at the equivalecne point: Na+, H3O+, OH-, and C5H5CO2-. What is the pH of the solution at the equivalence point
A calibration curve was prepared from series of standards for various concentrations of this analyte and the line of best fit was determined to be S=1.56C + 0.2, where, S, is the signal in mV and, C, is the concentration in ppm (parts per million)..
What is the animal's initial radiation exposure in curies? b. If all of the energy from the emitted alpha particles is absorbed by the animal's tissues, and if the energy of each emission is 7.77 x 10^-12 J
Write a complete mathematical model for a closed system consisting of water only at equilibrium. Be sure to include starting materials, a species list, equilibria (if any), mass balance (if any), a charge balance equation, and other constraints
What is the weight % of Cl in the original sample?
Enough of a monoprotic acid is dissolved in water to produce a 0.0198 M solution. The pH of the resulting solution is 6.37. Calculate the Ka for the acid.
Explain why lattice energy calculations based on the born mayer equation reproduce the experimentally determined values to within 1 percent for LiCl but only 10 percent for AgCl given that both compounds have the rock salt structure
What is the concentration of sodium ions if 42.0 mL of 0.170 M NaOH is mixed with 37.6 mL of 0.400 M NaOH
How much heat is needed to melt 22.4g of ice at zero degrees celcius to form liquid water at zero degress celcius?
What is the molar solubility of Hg2C2O4 (Ksp = 1.75x10^-13) in 0.34M Hg2(NO3)2
Calculate the standard enthalpy of formation of gaseous carbon dioxide (CO2) using the following thermochemical information: 2 C(s) + H2(g) C2H2(g) H = +226.8 kJ 2 C2H2(g) + 5 O2(g) 4 CO2(g) + 2 H2O(l) H = -2599.3 kJ 2 H2O(l) 2 H2(g) + O2(g) H = +..
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