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Calculate the entropy change, S° for the following reactions using tabulated standard entropy values and figure out if the resulting values obtained are consistent with the expected entropy change as predicted qualitatively.
Thermal decomposition of NaNO3
2 NaNO3(S) ( 2 NaNO2(s) + O2(g)
So values at 25°C:
NaNO3(S) = 116.5 J/mol-K
NaNO2(s) = 103.8 J/mol-K
O2(g) = 205 J/mol-K
a) The production costs of a factory are given as follows: Rupees Direct Wages 90,000 Direct Materials 1,20,000 Production Overheads: Fixed 40,000 Variable 60,000 During the forthcoming year it is anticipated that: a) Average rate for direct labour remuneration will fall from Rs.0.90 per hour to Rs.0.75 per hour. b) Production efficiency will be reduced by 5%. c) Price per unit of direct material and of other materials and services which comprise overheads will remain unchanged. d) Direct labour hours will increase by 33.33%. Draw up a budget.
Find Binomial Coefficient for 6C3 using dynamic programming approach and also explain in detail about complexity.
The Grade 11 students of Capiz National High School took a 100 item Statistics exam. The scores fit the normal distribution with a mean of 75 and a standard deviation of 10. What is the percentage of students that got a score of 80 to 85?
Find Binomial Coefficient for 6C3 using dynamic programming approach and also explain in detail about complexity.
Write a program to calculate gross and net pay of employee from basic salary. Create employee class which consists of employee name, emp_id, and basic salary as its data members. Use parameterized constructor in the derived class to initialize data members of the base class and calculate gross and net pay of the employee in the derived class.
NiCl3 is a strong electrolyte.
Determine the concentration of each of the individual ions in a 0.550 M NiCl3
0.550 M NiCl3 solution.
Calculate the chloride ion (Cl−)
(Cl−) concentration for a 0.183 M AlCl3
0.183 M AlCl3 solution.
A student needs to prepare 50.0 mL
50.0 mL of a 0.90 M
0.90 M aqueous H2O2 solution. Calculate the volume of 4.6 M H2O2
stock solution that should be used to prepare the solution.
If 7.72 g
7.72 g of
CuNO3 is dissolved in water to make a 0.800 M
0.800 M solution, what is the volume of the solution in milliliters?
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#340153 on Dec 2023