# Posts by Farzan

Total # Posts: 3

**math**

I am a decimal with a value in the thousands place.In my tenths place,you will find a digit one less than the digit in my Hundreds place and three less than my other digit.My last digit is 3.What decimal am I?

**Gen chem II**

Calculate the work done when 50.0g of tin dissolves in excess acid at 1.00atm and 25 (degree in celsius) Sn(s)+2H(aq)----- Sn(aq) +H2(g) Assume ideal gas behavior The work done = (pressure)*(increase in volume) The increase in volume is due to the H2 gas created. 50 g of tin (...

**Math**

Movement of Pendulum A pendulum swings through an angle of 20 degree each second. if the pendulum is 40 inches long, how far dose its trip move each second ? arcdistance=radius*angleinradians you are given the radius. arcinradians= 20deg*PI/180

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