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Question- If the lake contains 1.2 x 10 7 liters of water, what is the concentration of arsenic in the lake expressed as grams per liter, moles per liter, parts per million (ppm), and parts per billion (ppb)? Assume that no arsenic was present in the lake initially
Solve the above the problem in detail no word count
Draw the path taken by Ann as she walks her dog. Represent each segment of Anna's walk with a vector. The vectors should start and end at the centers of the red dots located on the image.
For propanoic acid (HC3H5O2, Ka = 1.3 multiplied by 10-5), determine the concentration of the species present, the pH, and the percent dissociation of a 0.27 M solution.
a chemist has 4 moles of c2h6 to use in the study. how many moles of o2 will be needed in order to react all of the
Carbon disulfide is prepared by heating sulfur and charcoal. The chemical equation is S2(g)+C(s) CS2(g) Kc=9.40 at 900K How many grams of CS2(g) can be prepared by heating 16.4 moles of S2(g)
Consider the subsequent reaction, equilibrium concentrations as well as equilibrium constant at a particular temperature. Find out the equilibrium concentration of CO2 (g).
Write the balanced formula unit equation for the reaction of hydrobromic acid with magnesium hydroxide. What is the sum of the coefficients?
a solution is known to contain bi3 ion or cd2 ion or both. describe the tests that could be used to seperate and
Consider the halide ions as nucleophiles. Briefly explain why F-, the strongest base among the halide ions, is the best nucleophile in polar aprotic solvents while iodide the weakest base
The resulting solution required 13.73 mL of 0.176 mol L 1 NaOH(aq) to neutralize the excess, unreacted HCl. What was the percentage by mass of Mg(OH)2 in the original sample
Predict whether the following reactions will occur or not. For those that do occur complete and balance the equation. Write No Reaction for those that do not occur include all subscripts
Assume an arteriole has a radius 0.005 cm and a length of 0.05cm. Assume the pressure drop across thei aretiole is 50 mm Hg. Calculate the flow Q in cubic meters per second through this arteriole. Assume viscosity of blood is 0.04 P
indicate whether the process is always spontaneous, never spontaneous, spontaneous at high temperature or spontaneous at low temperature.
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