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Problem- Part A What is the balanced chemical equation for the galvanic cell reaction expressed using shorthand notation below?
Al(s) | Al3+(aq) | | Zn 2+(aq) | Zn(s)
Part B What is the molality of a glucose solution prepared by dissolving 54.0 g of glucose, C6H12O6, in 125.9 g of water?
If possible just a to the point details about how you got the answer?
The addition of 25.40g of an unknown metal at 90.0 C to 20.00g of water at 22.3C resulted in a final maximum temperature of the system of 26.8 C. Compute he specific heat of the metal.
Explain what is the theoretical yield of 1, 4-di-t-butyl-2, 5-dimethoxybenzene (MW = 250.38 g/mol) if 1.32 g of 1, 4-dimethoxybenzene (MW = 138.16 g/mol) is mixed with 5.68mL of t-BuOH (MW = 74.12 g/mol, d = 0.786 g/mL) and excess 18M H2SO4
a miner working 260 m below sea level opened a carbonated soft drink during lunch break. to his surprise the soft drink
Problem- A 100.0mL sample of 0.10M NH3 is titrated with 0.10M HNO3. Determine the pH of the solution after the addition of 50.0mL of HNO3
A buffer solution is prepared by adding 0.125 mol of ammonium chloride to 500mL of 0.500 M aqueous ammonia. Explain what is the pH of the buffer. If 0.0100 mol of HCl gas is bubbled into 500mL of the buffer, Explain what is the new pH of the solut..
Question- Calculate the pH of a buffer made by dissolving 1 mol formic acid (hcooh) and 1.0 mol Sodium formate (HCOONa) in 1.0 L of solution (pHa = 3.74)
The amount of calcium in a 15.0-g sample was determined by converting the calcium to calcium oxalate, CaC2O4. The CaC2O4 weighed 12.8 g. What is the percent of calcium in the original sample
A 4.00 g sample of the metal nitrate M(NO3)2, in which M is an unknown metal was dissolved in water and treated with excess aqueous sodium sulfate. The sulfate salt that is formed in the reaction weighed 3.318 g. Determine the identity of the meta..
why was the titration performed by the addition of permanganate solution to oxalate solution and not the other way
suppose 4.00 mol of an ideal gas undergoes a reversible isothermal expansion from volume v1 to volume v2 6v1 at
Assuming the density of a 5% acetic acid solution is 1.0 g/ml, determine the volume of the acetic acid solution necessary to neutralize 25.0 ml of .10M NaOH. Also record this calculation on your report sheet.
Draw a reaction profile to illustrate the conversion of 2-methyl-2-butanol and HCl to 2-cloro-2-methylbutane and water. Label enthalpy of activation, H‡, for the rate-determining step and the enthalpy, Hrxn, for the overall reaction.
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