Kartik

This page lists questions and answers that were posted by visitors named Kartik.

Questions

The following questions were asked by visitors named Kartik.

Total the ages of Apple and Benny is 38. Seven years ago, Apple was three times as old as Benny. How old Benny`s present age?

A nichrome wire of diameter 5mm and length 5m has resistivity of 10^-4 ohm meter. If wire is compressed to double it's diameter. Find the resistance in its new form. Also find the resistance of the wire originally ?

An electric heater supplied at 40 Volt's draws a current of 5 ampere. If it is now connected to a 120 Volt supply, find the value of current being drawn ?

Arrange the following cations in order of decreasing size :Ra2+,Sr2+,Ca2+,Ba2+.Also explain it.

Ka for ch3coh is 1.8x10^-5. Find out percentage dissociation of 0.2M CH3COOH in 0.1M HCl solution.

8.9 kgs sweets is to be equally distributed among 16 students how much will each student get

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Answers

The following answers were posted by visitors named Kartik.

As we know that on moving downwards in a group size decreases in periodic table.Therefore the order of decreasing size of the cations is : Ra2+>Ba2+>Sr2+>Ca2+.