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Explain how many of the following salts are expected to be insoluble in water. Sodium, nitrate, barium, sulfide, ammonium, sulfate, phosphate, potassium
which change to this reaction system would cause the equilibrium to shift to the right?n2 g 3 h2 g 2 nh3 g ?h lt 01
in a hydrogen atom the 2s and 2p orbitals have the same energy. however in a boron atom the 2s electrons have a lower
Calculate the concentration of Cu in the chloroform phase if 39 mL of a 0.28 M aqueous Cu solution buffered to pH 4 is equilibrated with 12 mL of chloroform.
An isotonic solution is described as 0.92% NaCl (g/mL). Would this also be the required concentration for isotonic solutions of other salts, such as KCl, MgCl2,
What is the specific heat of liquid water, written with correct units? Refer to Table 5.2 or Appendix B in your textbook, or your lecture notes.
The Greek mathematician Archimedes is credited with discovering how to verify the amount of pure gold in an irregularly shaped object (e.g., a crown) by placing it in water. How much water should be displaced by a pure gold object having a mass of..
for the first irder reaction 2n2o5 --gt 2n2 o4 o2 at a particular temperature the half - life of n2o5 is 0.90 hr .
Suppose that you have a 2.0 L sample of hydrogen at 1.00 atm and 59 C. If you heat the sample to 84 C and it expands to a volume of 3.7 L, what will the final pressure be?
What is the value of Delta S when 2.7g of CH4 is compressed from 29.0 L to 18.0 L at a constant temperature of 100 C?
Does 4-Phenylphenol have a monosubstituted aromatic ring ( or also known as monosubstituted aromatic overtone band [msoab] )
a balloon contains 0.76 mol N2, 0.18 mol O2, 0.031 mol He and 0.026mol H2 at 739 mmHg. what is the partial pressure of O2?
A solution is made by dissolving 26.44 g of (NH4)2SO4 in enough H2O to make 50.75 mL of solution.What is the molar mass of (NH4)2SO4?
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