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Write a program to print the first n Fibonacci numbers. Write separate iterative and recursive versions. Which version do you suspect is more efficient ? Why ?
Write a program that takes a positive integer as input and prints its factorial. Write two separate functions, one that computes the factorial iteratively, and the other recursively.
What happens if the condition in a while loop is initially false? Explain and differentiate
between while and do while statement in ‘C’ language.
What is an expression? What are its components? Explain.
From a random sample of 10 pigs, fed on diet A, the increases in weight in a certain
period were 10,6,16,17,13,12,8,14,15,9 lbs. For another random sample of 12 pigs fed on
diet B, the increases in the same period were 7,12,22,15,12,14,18,8,21,23,10,17 lbs. Test
whether diets A and B differ significantly as regards their effect on increases in weight?
(t % at d. f. 20 is 2.08
Write a program that takes as input a class score. Output the grade for the class based on the
following guideline:
Exactly 100 is A+
90and above is A
80 and above is B
70 and above is C
60 and above is D
Anything less than 60 is F
Anything more than 100 or less than 0 is invalid input.
The energy for the following reaction was measured to be -1033.0 kJ/mol.
Mg(g) + 2 Cl(g) → MgCl₂(s).
Using this fact and the data in the table below, calculate the enthalpy (in kJ/mol) required to separate the ions from the lattice for this reaction:
MgCl₂(s) → Mg²⁺(g) + 2Cl⁻(g).
1. A student has to take 7 more courses before she can graduate. If none of the courses are prerequisites to others, how many groups of three courses can she select for the next semester?
How many moles of NO(g) can be produced in the reaction of 3.00 mol NH3(g) and 4.00 mol O2(g) ?
4 NH3(g) + 5 O2(g) = 4 NO(g) + 6 H2O(l)
Determine the mass of air in slugs contained in a room whose dimensions are 15 ft x 20ft x 20ft. Assume the density of air is 0.0724 lb/ft3 .
#340153 on Dec 2023