valeriacordero3078 valeriacordero3078
  • 10-11-2017
  • Chemistry
contestada

Which element is reduced in this reaction? cr2o72−+3hno2+5h+→2cr3++3no3−+4h2o enter the chemical symbol of the element?

Respuesta :

Kalahira
Kalahira Kalahira
  • 21-11-2017
A reducing agent loses electrons, so on the left side of the equation N in HNO2 has an oxidation number of +3 and on the right side in NO3^- it has an oxidation number of +5, so it has lost electrons. Thus, the reducing agent would be HNO2.
Answer Link

Otras preguntas

what is the perpendicular line in slope form of the equation (-5,8);y=1/5x-1
The top of a gate post is in the shape of a square pyramid. The height of the pyramid is 5 inches and each side of the base is 7.4 inches. Find the volume of wo
A shopper bought shoes marked 40$ the sales tax is 8% how much did the shopper pay in all
Two checks are listed on the back of the slip. One is for $200. What is the amount of the other check? $80 $325 $425 $625
How many times does 3x2+2x+6 intersect the x-axis
the president of the us rejects a bill passed by congress. he is demonstrating which principle of the constitution? A. Checks and Balances B. Federalism C. judi
can some one please help me translate these notes their in solfa ​
how many times does a hummingbird flap its wings in a second​
W varies jointly as X and Y and inversely as the square of Z. If W=280 when X=30, Y=12, and Z=3, find W when X=20, Y=10, and Z=2.​
what is a teaching tool that integrates all three components of health