 Lv 1108 points

# asedrf

• ### A nylon string on a tennis racket is under a tension of 275N.?

A nylon string on a tennis racket is under a tension of 275N. its diameter is 1.00mm, by how much is it lengthened from its untensioned length of 30.0cm?

Physics3 months ago
• ### A nylon string on a tennis racket is under a tension of 275N. ?

A nylon string on a tennis racket is under a tension of 275N. If its diameter is 1.00mm, by how much is it lengthened from its untensioned length of 30.0cm?

Tennis3 months ago

Consider the reaction at 298 K.

4NO2(g)+O2(g)−⇀↽−2N2O5(g)

Calculate ΔGrxn∘ to demonstrate that the reaction is nonspontaneous under standard conditions. Thermodynamic properties can be found in this table.

ΔG∘rxn= J/mol

If a reaction begins with a mixture of NO2 and O2 at partial pressures of 1.00 atm each, the reaction will be spontaneous until some N2O5 forms in the mixture. What is the maximum partial pressure of N2O5 that can build up before the reaction ceases to be spontaneous?

PN2O5= atm

Can the reaction be made more spontaneous by an increase or a decrease in temperature?

A. decrease

B. increase

What temperature is required to make the reaction spontaneous under standard conditions?

T=

Chemistry6 months ago

Consider the reaction at 298 K.

4NO2(g)+O2(g)−⇀↽−2N2O5(g)

Calculate ΔGrxn∘ to demonstrate that the reaction is nonspontaneous under standard conditions. Thermodynamic properties can be found in this table.

ΔG∘rxn= J/mol

If a reaction begins with a mixture of NO2 and O2 at partial pressures of 1.00 atm each, the reaction will be spontaneous until some N2O5 forms in the mixture. What is the maximum partial pressure of N2O5 that can build up before the reaction ceases to be spontaneous?

PN2O5= atm

Can the reaction be made more spontaneous by an increase or a decrease in temperature?

A. decrease

B. increase

What temperature is required to make the reaction spontaneous under standard conditions?

T=

• ### In a particular redox reaction, NO is oxidized to NO − 3 and Cu 2 + is reduced to Cu + PLEASE HELP?

In a particular redox reaction,  NO is oxidized to  NO−3 and Cu2+is reduced to  Cu+ . Complete and balance the equation for this reaction in acidic solution. Phases are optional.

balanced redox reaction: