Use Hess's Law to find the heat of reaction in the example below. N2O4 (g) longrightarrow 2NO2 (g) Given that: N2O4 (g) longrightarrow N2 (g) + 2O2 (g) (Delta H = 9.7 kJ) 2NO2 (g) longrightarrow 2O2 (g) + N2 (g) (Delta H = -67.7 kJ) ...
Use Hess's law to calculate enthalpy change. Given the following two reactions: (a) Ba(s) + Cl_2 (g) to Bacl_2 (s) Delta H(1) = -858.6 kJ (b) Zn(s) + Cl_2 (g) to ZnCl_2 (s) Delta H (2) = -415.1 kJ Calculate the enthalpy change for ...
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Teacher organizations did not strongly oppose charter school legislation, but they worked to ensure that legislation would be mild. In examining the political gestation of Virginia's "weak" charter school law, this study complements existing work that has generally concentrated on "strong" laws in ...
From a designer’s point of view, the problem can be divided in a series of concatenated steps: (a) For a given thermal load (amount of power required by the fluid), calculate the necessary external load, or vice versa; (b) Link the thermal load to the external radius of the disc;...
One of the key points that we want to make is that just as path-dependent understandings of land-use changes from the past are no longer considered sufficient, neither should we only privilege long-distance connections. Instead, we need to carefully assess both changes immediately adjacent to ...
When adolescents develop critical thinking abilities, they are more able to differ facts from claims and deal better with information spread on social media [6]. In this sense, to promote critical reflection among young people is highly needed, so that young people’s identities are not defined...
These low-cost precursors enable larger-scale applications in order to use them for procedures with improved reproducibility [37]. The hydrolysis and condensation processes, involving silane alkoxides, keep producing larger 3D frameworks with –Si–O–Si– functionalities, as obtained in both acidic ...