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How do I related density to Avogadro's Number? Cesium exists at room temperature as a body centered cube structure with a lattice parameter a = 6.06 A. What is the density of Cesium?
What is the net redox reaction that occurs when Ag comes into contact with acidic K2Cr2O7? Which metal is the most reactive?
Explain how many grams of H2O(g) are formed when 4.48 g of C7H12O2 is completely burned in in an oxygen atmosphere? mass of H2O (g)=
Your stock solutions are 20% glucose, 1M tris and 0.5M EDTA. The diluent is distilled water. Determine how much of each you will add to make the desired buffer.
a solution is prepared by dissolving 20.0 g ammonium sulfate in enough water to make 100.0 ml of stock solution. a
What is the probability that in the ground state of the hydrogen atom, the electron will be found at a radius greater than the Bohr radius
A 10.00 mL sample of a solution of hydrofluoric acid,HF, is diluted to 500.00 mL. A 20.00 mL sample of the diluted solution requires 13.51 mL of a 0.1500 M NaOH solution to be titrated to the equivalence point.
Celsius and -125 degrees Celsius , respectively. Calculate the entropy changes for fusion ( solid to liquid) and vaporization (liquid to gas ).
Conduct a gap analysis for Anthonys Orchard and Anthonys Orchard is the case study organisation that you will use throughout module.
Binds to the DNA strand at a specific sequence of the gene called a promoter
The active ingredient of aspirin is acetylsalicylic acid, a monoprotic with a ka = 3.3 x 10 raised to -4 power. What is the pH of a solution dissolving two aspirin tablets, each containing 325 mg of acetylsalicylic acid, in 250 ml of water
The tetrahedral intermediate in the Fischer esterification of formic acid (HCO2H) with 1-butanol has the structure
Which has the greater kinetic energy, an object with a mass of 2.0kg and a velocity of 1m/s or an objecy with a mass of 1.0 kg and a velocity of 2.0m/s. Explain
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