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Calculate the Heat of Fusion of ice if you had 15 grams of warm water at 40 degrees Celsius in a Styrofoam cup and you added 4.27 grams of ice originally at 0 degrees celsius and after the ice melted the combined liquid was 10.0 degrees celcius and the specific heat of water is 1.00cal/grams degrees celsius, what would be the calculated heat of fusion for water?
A tank at is filled with of sulfur hexafluoride gas and of carbon monoxide gas. You can assume both gases behave as ideal gases under these conditions.
Explain this different physical state behavior in terms of chemical structure and secondary intermolecular bonding.
Calculate the predicted change in boiling point, in °C for your solution. What is the calculated boiling point of the solution? Compare this with the actual boiling point.
what is the reaction order? If the unit is M^-1 s^-1, what is the reaction order? Use the rate laws to determine the unit for the rate constant.
Sodium borohydride is a strong base as well as a reducing agent. Why would it be better to add the NaBH4 solution to a base-sensitive substrate
7.65.50 mL of 0.161 M HF is titrated with 0.1200 M NaOH. What is the pH after 65.50 mL of base have been added? (Ka for HF is 6.8 x 10-4)
The reaction of copper metal with silver ions in a solution if silver nitrate is spontaneous . Calculate she standard cell potentiom to show that this is so.
What is the pH of a buffer solution that is 0.255 M in hypochlorous acid (HClO) and 0.333 M in sodium hypochlorite? The Kb of hypochlorous acid is 2.63 x 10 ^-7. ( Use ICE and please show work)
The CO2 output of an astronaut is about 1.3 kg/day. What is the minimum mass of LiOH required for a six-day space shuttle flight involving five astronauts?
explain the following observations: a)an open can of soda loses its "fizz" more quickly at room temperature than in the refrigerator. b) chlorine gas in tap water escapes as the sample warms to room temperature. c)less sugar dissolves in iced coff..
Please draw a detailed, arrow-pushing mechanism for the addition of HBr to trans-2-butene. 4. Please draw a potential energy diagram for this reaction
Calculate the pH at the halfway point and at the equivalence point for each of the following titrations. (a) 100.0 mL of 0.42 M HC7H5O2 (Ka= 6.4 multiplied by 10-5) titrated by 0.42 M NaOH halfway point equivalence point
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