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How many km are in [x]x108 mm? Report your answer numerically (do not include the “km”) to 3 significant figures. 

Completa con el imperfecto de subjuntivo: usa las dos terminaciones. Era mejor que ella (viajar)__________________

Explain WHY a weak acid is different than a strong acid. What is different about the amounts of chemical species (ions) in solution when you dissolve HCl versus CH3COOH? 

Most people assume there are more words in the English language that begin with the letter k than have the letter k in the third position. This may be because it is easier to think of words that begin with k and thus may be an example of:

Select the proper formatting of the following numbers, in scientific notation, from the list below:  A. 4.503×107 B. 45.03 x106 C. 6.70 x102 D. 2.5×10-2 E. 1.0×10-5 F. 2.5×102 G. 0.67×103 H. 1×10-4

The electrical current that travels down the axon of a neuron is known as a what? 

Calculate how many grams of N2 can form when [x] grams of NH3 completely decomposes according to the following reaction:  2 NH3 (g) –> N2 (g) + 3 H2 (g)  Report your numerical answer in grams to 2 decimal places. 

Explain how you did the previous question in order to potentially earn partial credit. 

You have 50 minutes to write your Timed Essay. Do not put your name this. Instead, write… A Number10075English 101SemesterDate   1. Write a narrative essay about a challenge you faced in your first semester and how you overcame it. 2. Write a narrative essay about a time you overcame a significant challenge and how it changed you.

Determine the chemical formula if the following combined to form an ionic compound- if the ions are not written- you must first determine what charges the atoms become when they become an ion- then determine the correct ratio of cation to anion- where electroneutrality will exist.   K and Se   Be sure to use the subscript and superscript feature to correctly express the formula in the correct format.