Given the reaction: 2 H2 (g) + O2 (g) – 2 H2O(l) + 571.6 kJ What is the approximate AH for the formation of 1 mole of H2O(l)?
1.
-285.8 kJ
2.
+285.8 kJ
3.
-571.6 kJ
4
+571.6 kJ

At a temperature of 393 k, the temperature of a sample of nitrogen is 1.07 atm what will the pressure be at a temperature of 478 k

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?