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A. How many milliliters of a 0.72 MHCl solution do you need to obtain 0.0032 mol of HCl?
B. A flask containing 470 mL of 0.50 M H2SO4 was accidentally knocked to the floor.
How many grams of NaHCO3 do you need to put on the spill to neutralize the acid according to the following equation?
H2SO4(aq)+2NaHCO3(aq)---->Na2SO4(aq)+2H2O(l)+2CO2(g)
during the late 1800s hard rock miners replaced candles with carbide lamps for work in mine shafts. the lamps worked by
A solid sphere of a metal with a mass of 0.7371kg has a diameter of 50.0mm. Calculate the density of metal. Calculate the moles of FeSO4 present in an iron tablet containing 400mg FeSO4.
show a born cycle that allows the comparison of a homolytic bond dissociation energy with the heterolytic bond
The solution freezes at -0.085C. How many grams of urea were dissolved to make this solution? Please show work
Calculate the wavelength of this emitted light. B) What wavelength range would you expect this complex to absorb most strongly. Explain.
Problem- What is the name of the specific interaction that occurs in the tertiary structure when the carboxylate end of one amino acid's side chain interacts with the protonated amine of another amino acid's side chain
Explain what is the molar heat capacity of titanium metal if it takes 89.7 joules to increase the temperature of a 33.0 g block of titanium by 5.20 degrees C
the wavelength of light absorbed by rhodospin rhodopsin is the pigment in the retina rod cells responsible for vision
copper and zinc elements 29 and 30 respectively appear next to each other on the periodic table. a 5.50 g sample of
what is the ksp value of potassium hydrogen tartrate at 10 degree celsius oc 22oc 35oc and 50oc? what is the enthalpy
For equilibrium calculations involving metal complexes with EDTA, it is convenient to calculate the fraction of EDTA that is in the completely unprotonated form, Y4- (see the figure). This fraction is designated ?Y4-. Calculate ?Y4- at the followi..
Supplies at least 50 units of calcium, 90 units of protein, and 66 calories at minimum cost.a. Formulate, graph, and solve this decision problem. What is the minimum cost of meeting the nutrient requirements?(9) b. Calculate and provide an economic i..
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