Which of the following is formed when a strong acid reacts with methylamine, CH3NH2?
A) CH3NH3
B) CH3NH3+
C) (CH3)2NH2+
D) None of these, no reaction occurs.
B
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Imagine being the ruler of a conservative Islamist Arab state. What might be the advantages and disadvantages of opening up your country to the Internet? Divide into opposing groups and debate both sides of the argument
What will be an ideal response?
Complete the concept map displayed below by selecting the correct response from the answers provided.
Suppose you were asked to evaluate the damage risk posed by a comet that was headed toward earth. Based on what you know about the average properties of comets, how would you evaluate the risk variables of density and speed for such a comet (as compared to other NEOs)?
A. High risk due to the density, low risk due to the average speed. B. Low risk due to the density, low risk due to the average speed. C. Low risk due to the density, high risk due to the average speed. D. High risk due to the density, high risk due to the average speed.
In a solution of a solid in a liquid, the liquid is called which of the following?
A) concentrate B) dissolver C) solute D) solvent
When sea level rises, the rate at which the shoreline retreats landward depends partly on the slope of the beach.
Answer the following statement true (T) or false (F)