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The pressure gauge on a 20.0 m3 tank of nitrogen at 25 ?C reads 10 bar. Estimate the mass of nitrogen in the tank by : (a) Direct solution of the ideal gas equation of state. (b) Conversion from standard conditions.
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A solution has a concentration of 10.0 m and contains 5.0 g NH3. What is the volume (in milliliters) of this solution
0.394 mol of a solid was dissolved in 340 mL of water at 26.9 oC. After the solid had fully dissolved, the final temperature of the solution was 31.6 oC. What is the molar heat of solution of the substance?
What would be the effect on our body chemistry if large numbers of enzymes were to become malformed and how do they become malformed?
If liquid is at or above it's flash point, the flame spread rate is fast, and the entire pool is engulfed within seconds. In such a case, the liquid is already evaporating sufficiently to reach the lower flammability lim ...
15 grams of NaCl is dissolved completely in a beaker containing 200mL of water. What is the Na+ concentration in moles/liter in the final solution?
Consider the following reaction. CO(g) + Cl 2 (g) > COCl 2 (g) The mechanism is believed to be, (1) Cl 2 2Cl (fast equilibrium) (2) Cl + CO COCl (fast equilibrium) (3) COCl + Cl 2 > COCl 2 + Cl (slow) (4) ...
What are Transition Metals and what specifically happens to transition metals that results in solutions that give off distinct colors?
Why does a hydrate exist only as a solid? What characteristic of a hydrate is responsible for this phenomenon?
How many grams of H2SO4 must be dissolved into 0.709 L of solution to generate a concentration of 0.303 M?
What mass of solid NaOH (97.0% NaOH by mass) is required to prepare 1.00 L of a 10.0% solution of NaOH by mass? The density of the 10.0% solution is 1.109 g/mL.
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