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Will a precipitate of Mg(OH)2 form when 25 mL of 0.010 M NaOH is combined with 75 mL of a 0.10M Solution of magnesium chloride
How can one decompose superabsorbent polymers? That is how can one make the dry crystals smaller?
a 0.050 molar solution of a weak monobasic (accepts one proton) substance, B has a pH of 10.98 Determine the ionization Constant Ka of this acid.
The molality of sodium nitrate solution us 1.44m. What is mole fraction of NaNo3. The molar mass of NaNo3 is 85.06g/mol
Explain why alcohols such as ethanol and propanol are soluble in water, butanol is moderately soluble and pentanol is slightly soluble
What final temp. would be required to increase the pressure to 1 atm, the volume being held constant?
Given the following equation. What is the maximum mass of FeO3 that can be prepared when 360.0g of FeS2 are mixed with 47.5g of oxygen gas? A balanced equation is this: 4 FeS2 (s) + 11 O2 (g) ----> 2 Fe2O3 (s) + 8 SO2 (g)
Determine the end value of n for an electron transition in a hydrogen atom if the electron starts in n=4 and the atom emits a photon of light with a wavelength of 486 nm.
mass of magnesium = .021 grams initial volume = 50.00 mL final volume = 25.6 volume of liquid displaced = 24.4 volume of hydrogen gas produced = 24.4?
a 1.00 liter solution contains 1.00 mol of weak acid HX. After 0.60 mol of Oh- is added to this olution, the pH of the solution is 4.00. Calculate the Ka for the acid HX.
What is the relationship among intracellular fluids, 0.9% (W/V) NaCl and 5.0% (W/V) glucose?
what will the equilibrium concentrations of all 4 substances be? FAlways start by writing expression for Keq FThink about what will happen. Which concentrations will increase? Decrease?
At the end of the process, the pressure is 2.50x10 to the 6 Pa. Calculate the final temperature of the gas. Calculate q, w, deltaU, and deltaH for this process.
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