Examlex
A gas occupies 22.4 L at STP and 14.5 L at 100°C and 2.00 atm pressure.How many moles of gas did the system gain or lose?
Q2: Which is the most exothermic reaction?<br>A)CH<sub>4</sub>(g)+ 2
Q14: A single sp<sup>3</sup> hybrid orbital has<br>A)one lobe.<br>B)two
Q29: A KCl solution is prepared by dissolving
Q38: Based on the relative strengths of the
Q69: First-order diffraction of X-rays with d =
Q109: Which drawing represents the molecular orbital containing
Q113: Which molecule contains the most polar bonds?<br>A)CF<sub>4</sub><br>B)CO<sub>2</sub><br>C)CN<sup>-</sup><br>D)CH<sub>4</sub>
Q163: How many liters of SO<sub>3</sub>(g)are produced at
Q184: The paramagnetism of O<sub>2</sub> is explained by<br>A)coordinate
Q190: A solution is prepared by dissolving 17.75