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Cobalt is one of many metals that can be oxidized by nitric acid. Balance the following the reaction. How many electrons are transferred, and what would be the coefficient for H2O in the balanced reaction? 

Co + NO3 – + H+ → NO + H2O + Co2+

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Related questions

What is the coefficient for hydroxide, and how many electrons are transferred after balancing the reaction?

Pb(OH)4 2- + ClO- → PbO2 + Cl- + OH- + H2O

1a)When magnesium carbonate, MgCO3, is treated with a dilutesolution of nitric acid, HNO3, the products are magnesium nitrate,Mg(NO3)2, water and carbon dioxide gas. What is the net ionicequation for this reaction?
(a) Mg2+(aq) + 2 NO3-(aq) ---> Mg(NO3)2(s)
(b) Mg2+(aq) + CO32-(aq) + 2 H+(aq) + 2 NO3-(aq) --->Mg(NO3)2(s) + H2O(l) + CO2(g)
(c) MgCO3(s) + 2 H+(aq) ---> Mg2+(aq) + H2O(l) + CO2(g)
(d) MgCO3(aq) + 2 HNO3(aq) ---> Mg(NO3)2(aq) + H2O(l) +CO2(g)
(e) CO32-(aq) + 2 H+(aq) ---> H2O(l) + CO2(g)

1b)What is the average oxidation number (i.e. oxidation state) ofoxygen in O2F2?
Important: If the oxidation number is fractional, enter your answeras a fraction

1c)Complete and balance the following chemical equation using thesmallest whole number coefficients. Assume the reaction takes placein acidic aqueous solution. Use H + to balance charge, not H 3 O +.
Fill in the blanks:
NO3- + S2- --> S8 + NO2 (acidic solution)

The coefficient of NO3- is ____ . (enter a positive integer)
The coefficient of S2- is ____ . (enter a positive integer)
The coefficient of S8 is ____ . (enter a positive integer)
The coefficient of NO2 is ____ . (enter a positive integer)
H + appears on the ____________ (enter LHS for the left hand sideor RHS for the right hand side); the coefficient of H + is ____(enter a positive integer)
H 2 O appears on the ____________ (enter LHS for the left hand sideor RHS for the right hand side); the coefficient of H 2 O is ____(enter a positive integer)

1d)
What is the pressure (in mmHg) of the gas if the atmosphericpressure is Patm=775 mmHg, h1=20 mmHg, and h2=50 mmHg?
Enter your answer in mmHg, with 3 significant figures.
1e)A 13.0-L cylinder contains 29.0 g Cl2 at 67.0

one step in the commercial process for the converting ammonia to nitric acid is the conversion of NH3 to NO:

NH3(g) + O2(g) -------------} NO(g) + H2O(g)

In certain experiment 2.00 g of NH3 reacts with 2.50 g of O2. (a)Is the reaction equation balanced? (If not, balanced it).(b) What is the limiting reactant? (c)How many grams of NO and H2O form?

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