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Question- How long (in seconds) would it take a 50.0 watt (1 watt=1 J/s) heater to melt 10.12 g of Au(s) initially at its freezing point (1064 degrees C) to the boiling point (2807 degrees C) and then to completely vaporize it?
Please carry out what you can and illustrate your work so I can follow. Thanks
Question- What is the minimum volume of a solution that contains 0.743g of NaBH4 per 100.0 mL of solution that is required to fully reduce 0.943g of 3-methyl-1-phenyl-2-butanone (C11H14O). You may assume the reaction works ideally.
1. half reactions what is the oxidation and reduction for the following formula3 mg n2 rarr mg3n22. if 90.0 ml of
How many milliliters of 0.200 M FeCl3 are needed to react with an excess of Na2S to produce 1.38 g of Fe2S3 if the percent yield for the reaction is 65.0%? 3 Na2S(aq) + 2 FeCl3(aq) ? Fe2S3(s) + 6 NaCl(aq)
Suppose that 28g of each of the following substances is initially at 28.0 degrees celcius. What is the final temperature of each substance upon absorbing 2.45 kJ of heat?
How will understanding the mechanism of a chemical reaction affect your determination of a rate law
The ionization energy for sodium is +496 kJ/mol. The electron affinity for chlorine is -349 kJ/mol. Use these values and Hess's law to calculate the enthalpy for the following reaction:
For the compound MX, Ksp is 2.00 × 10-11. The anion X- forms the weak acid HX (Ka = 1.8 × 10-5). Calculate the solubility of MX in 10.00 M strong acid.
Calculate how much energy in the form of heat is available from 100mL of this mixture and compare it with the amount available from pure gasoline
Calculate the work (in kJ) when 2.60 moles of hydrogen gas are produced from the reaction of sodium in excess water at 298 K: 2Na(s) + 2H2O(l) ? 2NaOH(aq) + H2(g)
A sample of Au(ClO)3 is contaminated with LiClO. An acidified 0.2000 g of this mixture is treated with excess sodium iodide and subjected to iodometric titration.
What structual difference allows the sepeartion of eugenol from acetyl eugenol
Does nitro compounds cause any harmful effect on living things?
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