Astudent compares the fundamental resonating frequencies of two equal length pipes. pipe a is open on both ends. pipe b is open on one end and closed on the other. how does the frequency of pipe a measured at fa compare to the frequency of pipe b measured at fb?

How many hydrogen (h) atoms are in one molecule of sulfuric acid, h2so4? (1 points) 1 2 4 7

The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.

An atom that has gained or lost electrons is called an _