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Balance the redox reaction using the steps on the oxidation state method(10 pts)



HNO² + HI -> NO + I² + H²O




what is the percent hydrogen in ammonium oxalate (NH4)2C2O4


A weather balloon has a volume of 1750 L at 103 kPa. The balloon is released to the atmosphere. At the highest point above the ground, the pressure on the balloon is 35.0 kPa. What is the new volume of the balloon at this height? 


an isotope of element 102,with a massnumber of 253 was produced by bombarding 240 96 cm with sa projectile, which was absorbed ny the target nucleus. this projectile should be?​


Calculate the pH of 0.01 M aqueous solution of sodium formate at 298 K. [Given: Ka (HCOOH) =1.7 × 10raise to the power -4 at 298K]


Calculate the degree of ionisation and the pH of a 0.01 M aqueous solution of formic acid at 298K. [Given, Ka (HCOOH) = 1.7 into 10 raise to the power -4 at 298K]. 


 Suppose the distance between two successive reflections in the optical fiber is 400μm. What is the diameter of the core of this fiber if the light is incident at 82o at the core?


Molar conductivity of 0.005M Kcl is 144Scm^2mol. Calculate its electrolytic conductivity in SI units (Sm^-1).





Check the normalization of P, and P, for the harmonic oscillator and show they are orthogonal. Two-ax²/2(C) and U-e-ax²/2(r v)]

A golf ball has a mass of 45.9g. A baseball has a mass of 147g. What is the relative mass of the

baseball compared to the golf ball?


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