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Which of the following statements is (are) true? Note: For this question, you will be able to make multiple selections. It is possible that only one of the choices is correct, but it is also possible that many of the choices are correct. A. strontium nitrate and calcium carbonate are soluble salts B. barium fluoride and lithium chloride are soluble salts C. barium nitrate and sodium phosphate are soluble salts D. copper (II) iodide and ammonium acetate are soluble salts E. silver bromide and calcium acetate are insoluble salts F. nickel (II) bicarbonate and lead (II) sulfate are insoluble salts G. barium bromide and barium sulfate are insoluble salts H. aluminum carbonate and silver iodide are insoluble salts
N2H4+3O2----2NO2+2H2O The limiting reagent is O2 how many kg of NO2 are produced from the reaction of 75kg of the limiting reagent.
a large cylinder of He gas,such as that used to inflate balloons,has a volume of 25.0 L at 22c and 5.6 atm. How many moles of He are in such a cylinder
Calculate the mass of nitrogen dissolved at room temperature in an 76.0L home aquarium. Assume a total pressure of 1.0atm and a mole fraction for nitrogen of 0.78.
If 1.56g of a gas has a volume of 1.00 L at .984 atm and 50 degrees Celcius, what is the molar mass of the compound
Compute the composition of the crystals and the yield of the process. Also determine the composition of the mother liquor?
What is the final volume in milliliters when 0.780 of a 39.7 (m/v) solution is diluted to 25.0 (m/v)? Express your answer numerically in milliliters.
Explain why the element bromine prefers to have its two atoms form covalent bonds rather than ionic bonds
Use the reactions below and their equilibrium constants to predict the equilibrium constant for the reaction, 2A(s) 3D(g). 2A(s) 1/2B(g) + C(g) K1 = 0.0334
A 75.0 mL sample of acetic acid (HC2H3O2) is titrated to the equivalence point with 25.0 mL of 0.400 M NaOH. What is the molarity of the acetic acid solution?
In the following conditions calculate the moles of hydrogen and the pressure in each flask where the volume is negligible. Each flask is originally 275K with .455 mols of hydrogen gas and .7atm of pressure. Then one flask is heated to 500K while t..
A metal hydroxide with the general formula M(OH)2 has a Ksp value of 0.00076. Calculate the molar solubility of this metal hydroxide
Pyridine(C5H5N) is a weaker base in H2O than 2,6 lutidine (dimethylpyridine), but we observe that the pyridine-BF3 complex is more stable than the comparable lutidine-BF3. Explain the reason for this inversion in stabilities.
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