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What is the molarity of chloride ion when a mass of 27.1 g of calcium chloride is diluted to a volume of 250 mL in a volumetric flask? The molarity of chloride ion in the solution is _____x10^____2 M.
Draw the structure of methyl red, and explain why it absorbs in the visible region of the spectrum. using resonance, explain why the acid form has a wavelength of max absorption at longer wavelength
Considering Lewis structures, which of these compounds possesses a single unpaired electron?
show step necessary to make this ether (2-methyl propoxycyclohexane) by williamson ether synthesis starting with neutral compounds, not ions.
A 50.0g silver object and a 45.0 g gold object are both added to a 55.5 mL of water contained in a graduate cylinder. what is the new water level in the cylinder.
If a process is carried out at constant pressure P and the volume V of the system decreases, then V is (negative, positive) and the work w is (negative, positive, zero).
A pressure cooker can be used to cook foods quickly under high pressure. The temperature inside a pressure cooker is 116 degrees celsius. Calculate the vapor pressure of water inside the pressure cooker.
what is molarity of the diluted bleach and of the original bleach solution? b. what is the mass of sodium hypochlorite per 100 mL of the stock bleach solution. c. If the density of the bleach solution is 1.05 g/mL, what is the percent of bleach by..
Determine the capacity of this buffer solution for resisting pH change when acid is added. Assume the volume does not change
The basic cycle for a steam power plant is shown by Fig 8.1. The turbine operates adiabatically with inlet steam at 6800 kPa and 550deg.C and the exhaust steam enters the condenser at 50deg.C with a quality of 0.96
A small hot air balloon is filled with 1.02 x 10^6 L of air (d=1.20 g/L). As the air in the balloon is heated, it expands to 1.13 x 10^6 L. What is the density of the heated air in the balloon
Compound A is C4H9Cl and shows two 13C NMR resonances. Compound B is an isomer of compound A; it shows four 13C NMR resonances, and in the spin-coupled mode the resonance farthest downfield is a doublet. Identify compound A
What mass of C4H6 in grams is consumed in the reaction below when 39.8 grams O2 (g) are also consumed? C4H6 (g) + O2 (g) ' CO2 (g) + H2O (g) (not balanced)
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