Kemija - 2025./26. ljeto - 29.

$E_{\mathrm{a}}E\_\{\backslash mathrm\{a\}\}$ se smanjuje, a ${\mathrm{\Delta }}_{\mathrm{r}}H\backslash Delta\_\{\backslash mathrm\{r\}\}\; H$ se pove\u0107ava.

$E_{\mathrm{a}}E\_\{\backslash mathrm\{a\}\}$ se pove\u0107ava, a ${\mathrm{\Delta }}_{\mathrm{r}}H\backslash Delta\_\{\backslash mathrm\{r\}\}\; H$ se smanjuje.

$E_{\mathrm{a}}E\_\{\backslash mathrm\{a\}\}$ se smanjuje, a ${\mathrm{\Delta }}_{\mathrm{r}}H\backslash Delta\_\{\backslash mathrm\{r\}\}\; H$ se ne mijenja.

$E_{\mathrm{a}}E\_\{\backslash mathrm\{a\}\}$ se pove\u0107ava, a ${\mathrm{\Delta }}_{\mathrm{r}}H\backslash Delta\_\{\backslash mathrm\{r\}\}\; H$ se ne mijenja.