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Which of the following has the highest electronegativity?

How many electrons are in a neutral atom of carbon-13 (13C)?

Which of the following elements contains a total of 10 “s” electrons?

The graphs of and are shown below.  What is the total area of the shaded region?  (Hint: don’t get confused by the area below the x-axis. Recall from the notes “top – bottom”, which may vary by interval)   Round your answer to three decimal places.

According to the Fundamental Theorem of Calculus (FTC) part 2, if is an antiderivative of , then

Equilibrium:The following question(s) refer to the equilibrium given below in which all reactants and products are gases. CH4 + H2O CH3OH + H2 + heat Indicate the effect of the changing condition on the position of equilibrium. Refer to Equilibrium. Remove H2 from the mixture.

Calculate the volume in liters of 3.50 moles of gas at STP.

Equilibrium:The following question(s) refer to the equilibrium given below in which all reactants and products are gases. CH4 + H2O CH3OH + H2 + heat Indicate the effect of the changing condition on the position of equilibrium. Refer to Equilibrium. Add a catalyst to the mixture.

A container is filled with 4.0 g H2 and 5.0 g O2.  The mixture is ignited to produce water according to the following equation.  How much water is produced? 2H2 + O2 → 2H2O

Look back at the reading to answer the following question: True or False: Bangladeshi women borrowed money from banks to buy cell phones. They paid the banks back by selling them airtime.