# Palak

Most popular questions and responses by Palak
1. ## Chemistry

Calculate the joules of energy involved when 11 grams of water at 10.0 degrees Celsius cools and then freezes at 0.0 degrees Celsius. How many kilocalories are required to raise the temperature of 305 gtams silver from 30 degrees Celsius to 70 degrees

asked on January 24, 2011
2. ## physics

a body is allowed to slide down a frictionless track from rest under gravity . The track end in a circular loop of diameter D . What should be the minimum height of the body in terms of D so that the body successfully complete the loop.

asked on December 30, 2016
3. ## Maths

The price of washing machine inclusive of VAT is 15000 if the rate of VAT is 12% find its original price

asked on December 25, 2016
4. ## chemistry

When 0.25M (Molarity) aqueous solutions of ammonium chloride and lead (II) nitrate are mixed a precipitate forms. How many grams of solid would be produced by mixing 250 mL of each solution?

asked on January 5, 2011
5. ## Science

If 48 gram solute is present in 500 ml H2O2 solution,what will be its strength by volume and % w/v respectively?

asked on November 11, 2016
6. ## Biology

What is the difference between adventitious root and fibrous root?

asked on August 11, 2012
7. ## Math

A number consists of rwo digit number whose sum is 9. If9 is subtracted from the number its digits are interchanged. Find the number

asked on June 6, 2018
1. ## physics

A car travelling by you

posted on July 20, 2019
2. ## physics

Velosity me

posted on July 20, 2019
3. ## Physics

Power= work done/time =( mgh+0.5mv^2)/t 200= (2*9.8*10 + 0.5*2*v^2)/1 200=196+ v^2 v= 2 m/s

posted on July 3, 2019
4. ## maths

X+X+X+2+X+10=92cm 3x+12=92cm 3x=92cm-12cm X=80/3 =26.6cm

posted on December 23, 2017
5. ## gk

15/12

posted on December 11, 2015
6. ## Biology

mam plz tell me the answer.

posted on August 11, 2012
7. ## chemistry

thanks^^^^^

posted on January 5, 2011