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Chemistry
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13 Dec 2019

Using the "unit conversion method", derive an equation to calculate the heat produced from the HCl-NaOH reaction, and write your equation on Sample Calculations A

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17 Dec 2019
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Related questions

• 50.5 kJ of heat is released when 1 mole of HCl reacts with 1 mole of NaOH to produce 1 mole of NaCl and 1 mole of H2O. Write a thermochemical equation for this reaction.
•The equation below shows that dissolving 1 mole of NaOH in water releases 40.05 kJ of heat (q). What if there was 2 moles of NaOH, how much heat would be released (q)?
NaOH(s) ​​​​Na+(aq)​+​OH-(aq)​​+​40.05 kJ
• From the equation above, calculate the amount of NaOH that needs to be dissolved (in moles) in order to release 1000 kJ of heat (q).
• What should happen to the temperature of the solution produced from dissolving NaOH(s) in distilled water?
• Write the following sentence as a chemical equation:
“When 1 mole of HCl(aq) neutralizes 1 mole of NaOH(aq), 100.1 kJ is released”

To a sample of alkaline earth metal carbonate (MCO3; 0.250 g) was added 15.0 mL HCl (0.500M). Carbon dioxide gas evolved out from the solution. After the reaction was completed. The solution was back titrated with a NaOH solution (33.50 of 0.1500 M).(a) Write the reaction equation of MCO3 and HCl; (b) Calculate the Molecular Mass of MCO3. (c) Determine what is this sample: CaCO3; MgCO3; or BaCO3?Thank you in advance.

When 50.0 ml of 1.00 M HCL was mixed with 50.0 mL of 1.00 M NaOH in a Calorimeter, the temperature rose from 25 degree Celsius to 31 degree Celsius. Calculate the heat for the reaction, assuming that the total volume of the solution is 100.0 ml of density 1.0 g/ml and specifi heat 1.00 cal/( g. degree Celsius) a) Write a balance equation for the reaction b) How many moles of HCL (aq) and NaOH have reacted c) Is the reaction exothermic or endothermic d) How many calories are evolved in the reaction e) What is the change H for the above reaction I KJ/ mol

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