Search & Filtering
Consider the following reaction:
5Fe2+ + 2MnO4- + 8H+ → Mn2+ + Fe3++ 4H2O
- Which substance is oxidized?
- Which substance is reduced?
- Which substance is the oxidizing agent?
- Which substance is the reducing agent?
The SO2 present in air is mainly responsible for the phenomenon of acid rain. The concentration of SO2 can be determined by titrating against a standard permanganate solution as follows:
5SO2 + 2MnO4 negative + 2H2O —> 5SO4 2 negative + 2Mn 2 positive + 4H positive
Calculate the number of grams of SO2 in a sample of air if 7.37 ml of 0.00800 M KMnO4 solution are required for the titration
Discussion Assignment
Let f(x)=\sqrt(x) with f: \mathbb{R} \to \mathbb{R}. Discuss the properties of f. Is it injective, surjective, bijective, is it a function? Why or why not? Under what conditions change this?
Explain using examples.
You have subnetted your class B network 190.220.1.0 with a subnet mask of 255.255.255.224. Please list the following :
- Number of subnet bits.
- Number of networks.
- Number of hosts per network.
- The full range of first two networks.
- The usable IP address range from those
first two networks.
- The broadcast address for first two
networks.
Number Arrangement
write a program to re-arrange all the numbers appearing in the string in decreasing order.
Note: There will not be any negative numbers or numbers with decimal part.
Input
The input is a string containing the actual sentence.
Output
The output is a string containing the modified sentence as mentioned above.
Explanation
For example, if the actual sentence is It is a 3days 4nights holiday trip.
The numbers in the sentence are 3 and 4.After arranging them in the decreasing order, the output looks like It is a 4days 3nights holiday trip.
Sample Input1
It is a 3days 4nights holiday trip
Sample Output1
It is a 4days 3nights holiday trip
Difficult Addition
Arjun is trying to add two numbers. Since he has learned addition recently, an addition which requires a carry is difficult for him. Your task is to print Easy if the addition does not involve a carry, Otherwise print Hard.
Input
The first line of input contains two space separated integers A and B.
Output
If the addition does not involve a carry,print Easy, otherwise print Hard.
Explanation
When calculating 229 + 390, we have a carry from the tens digit to the hundreds digit, so the answer is Hard.
Sample Input1
123456789 9876543218
Sample Output1
Easy
Sample Input2
229 390
Sample Output2
Hard
6 years ago on Olwethu lent happy 150,000 on condition that you will pay her back in 9 years time. The applicable interest rate is 15.5% per year compounded mothly.Happy also owes Olwethu another amount of 250,000 that he has to pay back six years from now for a loan that earned interest at 16.4% per year compounded semi-annually.happy asks Olwethu if he can settle both his debts three years from now.The total amount that happy will have to pay all way to 3 years from now is
If the silver phosphate solubility product –
Ag3PO4 for pKs = 18.2; the concentration of silver in a
saturated solution will be:The smart treasure fund was credited for Samson after he lost his leg in a battle with Pirates the fund was undertaken to pay him 1200000 now Samson prefers to receive three payments one 3 years from now: one twice the size of the first payment 6 years from now, and one four times the size of the first payment 10 years from now. The amount of money to the nearest rent that Samson can expect to receive 6 years from now if the interest rate applicable is 8.6% per year compounded quarterly will be?
What changes take place in the atomic structure of an element X with atomic number 88 and mass number 226,if it emits 2 alpha particles
