Chemistry, 02.12.2019 21:31 krystalhurst97
Using the standard enthalpies of formation for the chemicals involved, calculate the enthalpy change for the following reaction.
(note: show the math clearly and provide units in your set up) ( hf values in kj/mol are as follows: no2 32, h2o 286, hno3 207, no 90.)
3no2(g) h2o(l) 2hno3(aq) no(g) g
Answers: 3
![\Delta H=\sum [n\times \Delta H_f(product)]-\sum [n\times \Delta H_f(reactant)]](/tpl/images/0399/7869/76c37.png)
![\Delta H=[(n_{HNO_3}\times \Delta H_{HNO_3})+(n_{NO}\times \Delta H_{NO})]-[(n_{H_2O}\times \Delta H_{H_2O})+(n_{NO_2}\times \Delta H_{NO_2})]](/tpl/images/0399/7869/7081c.png)
![\Delta H=[(2\times -207)+(1\times 90)]-[(1\times -286)+(3\times 32)]](/tpl/images/0399/7869/1d6ad.png)
Another question on Chemistry
Chemistry, 22.06.2019 02:00
For each of the following types of reactions, write a general reaction formula in the symbolic form—for example, a + b → ab. single-displacement double-displacement synthesis decomposition
Answers: 1
Chemistry, 22.06.2019 04:50
Write the overall equation for the reaction for lithium battery
Answers: 2
Chemistry, 22.06.2019 11:30
What is the main reason why some developing countries fear the increase the free trade policies around the world?
Answers: 2
You know the right answer?
Using the standard enthalpies of formation for the chemicals involved, calculate the enthalpy change...
Questions
Social Studies, 11.01.2020 05:31
Social Studies, 11.01.2020 05:31
Business, 11.01.2020 05:31
Social Studies, 11.01.2020 05:31
Social Studies, 11.01.2020 05:31
