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A 190 ml sample 2.3M NaCl is mixed with 350ml of a SrCl2 solution. If the final solution has a chloride ion concentration of 1.80M which choice is closest to the concentration of the original SrCl2 solution? (Assume volumes are additive).
A. 1.52M
B. .764M
C. 1.2M
D. .493M
E. .569M
Given chemical reaction is used to produce electricity in lead storage battery that used in automobiles generally.
europium crystallizers in a body-centered cubic lattice (the Eu atom occupy only the lattice points).The densisty of Eu is 5.26 g/cm^3.calculate the unit cell edge length in pm
A 45.5 g sample of copper at 99.8 degrees celsius is dropped into a beaker containing 152 g of water at 18.5 degrees celsius. What is the final temperature when thermal equilibrium is reached?
what is happening when Nh4Cl is added to NH3 (a basic solution)? what is happening when HCl is added to NH3? how are these example
Briefly describe the process of recycling. Do you recycle? If yes, what types of items do you recycle? If not, why not?
Provide the Mechanism when 50% Methanol/Water solution is used in simple distillation to extract the Methanol
when companies sell compressed gas in steel cylinders, they usually quote the contents as volume of gas at 1 atm pressure at tempertaure of 20 degrees celcius.
An equilibrium mixture in a 2.00 L vessel is found to contain 0.0406 mol CH3OH, 0.170 mol CO, and 0.302 mol H2 at 500 K. Calculate Kc at this temperature.
Identify the limiting reagent for the given combination of reactants. Calculate how many grams of whatever substance will be in excess and how many grams of HF will be made.
A sample of nitrogen gas is contained in a piston with a freely moving cylinder. At 0 C,the volume of the gas is 361 mL. To what temperature must the gas be heated to occupy a volume of 492 mL.
What is the enthalpy change (in kJ) for burning 73.0 g of methyl alcohol? 2)A reaction that is used to propel rockets is N2O4(l) + 2N2H4(l) --> 3N2(g) + 4H2O(g)
The Na -glucose symport system of intestinal epithelial cells couples the \"downhill\" transport of two Na ions into the cell to the \"uphill\" transport of glucose, pumping glucose into the cell against its concentration gradient
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