ritikag074

How many moles of ammonia (NH) can be produced from the reaction of 4.0 liters of hydrogen at 50.0°C and 1.2atm of pressure with excess nitrogen?

How many milliters of carbon dioxide gas can be produced at 78°C at 45.5 psi pressure with 900.0 mL of 3.00M phosphoric acid and 235 grams of iron (III) carbonate?

infinity

(3^k)/(2^k+5k^2)

k=1

I need confimation that I have correctly balanced the equation,appropriate oxidation states, and corresponding losing/gainingelectrons. I appreciate your time & effort!

A.

Ox #:

0 +2 +5-2 +2 -1 0

2Mg + Zn(NO₃)₂ --> 2Mg(No₃) + Zn

Losing: Mg loseselectrons when it goes from 0 to a +2 charge.

Gaining: Zngains electrons when it goes from +2 to 0.

Ox #:

0 +2 +5 -2 +2 -1 0

2Mg + Cu (NO₃)₂ --> 2Mg(No₃) + Cu

Losing: Mg loseselectrons when it goes from 0 to a +2 charge.

Gaining: Cugains electrons when it goes from +2 to 0.

Ox #:

0 +2 +5-2 +2 -1 0

2Mg + Pb(NO₃)₂ --> 2Mg(No₃)+ Pb

Losing: Mg loseselectrons when it goes from 0 to a +2 charge.

Gaining: Pbgains electrons when it goes from +2 to 0.

Thank you! (:

can someone help me to figure out this problem?

A gantry crane of weight W=100 Kg moves across a bridge with the length I=5

m. The front axle of the crane (which is nearer end A) carries 3/4W whereas the

rear axle (nearer end B) carries 1/4 W. The distance of the axles is b = 1/20.

Determine the maximum value of the bending moment and enter your answer in

N-m units..

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