Pure carbon commonly occurs in two forms: strong diamonds and soft, brittle graphite. The graphite is much more brittle because it's carbon atoms are held together by single bonds, compared to double bonds in diamonds

True or False

Inside the room the air is often warmer near the ceiling than near the floor. Which of the following accounts for the difference in temperature? A. radiation B. insulation C. convection D. conduction

The formulas for ethane, ethene, and ethyne are C 2 H 6 C2H6, C 2 H 4 C2H4, and C 2 H 2 C2H2, respectively. Rank these compounds by the length of the carbon-carbon bond.

A student noticed while doing the neutralization experiment that the calorimeter kept getting warmer. how would this error affect the final calculation for the δhneut of each reaction? would it be overestimated, underestimated or remain unaffected?

How many hydrogen grams can be obtained if a) m (H2) = ? m (Ca) = 10g b) m (CaH2) with H2O

Atoms of the least reactive elements tend to have

How might we create the best possible solution to a problem?

A runner at a track meet completes exactly one lap around a 400 m track. what is the distance? what is the displacement?

Match the following with their correct molecular weight. 2-butanone Propyl acetate 4-methyl-2-pentanone Butyl acetate Methanol Ethanol A. 46.07 g/mol B. 116.16 g/mol C. 102.13 g/mol D. 100.16 g/mol E. 32.04 g/mol F. 72.11 g/mol

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Explain how using dimensional analysis could have prevented this crash