A 32.78 g sample of a substance is initially at 22.7 °c. after absorbing 2017 j of heat, the temperature of the substance is 173.2 °c. what is the specific heat (c) of the substance?

Use the periodic table to identify the number of valence electrons available for bonding for each of the following elements. C: H: N:

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Is my answer correct? Which of the following is a possible set of quantum numbers for an electron (n, l, m subscript l, m subscript s) ? (1, 0, 0, + 1) (2, 2, 1, + 1/2) (4, - 3, 0, - 1/2) (3, 2, 1, - 1/2) < - - - my answer

Consider the following statements in reference to SN1, SN2, E1, and E2 reactions of haloalkanes. To which mechanism (s), if any, does each statement apply? 1. Involves a carbocation intermediate 2.

Two organisms are in the same phylum but not in the same class. Another pair of organisms are in the same genus. Which pair has more in common?

Convert 0.00290 decigrams per milliters to nanograms per kiloliters

Is the periodic table of the elements all of the atoms known to exist?

You hold a handful of rocks and a handful of feathers. The rocks feel heavier than the feathers, even though you hold the same amount of both.

Find the mass of 1.112 moles HF?

Consider the formation of glucose from carbon dioxide and water, that is the reaction of the photosynthesis process: