Consider the structure of the phosphonium ylide formed by treatment of the following haloalkane with triphenylphosphine followed by butyllithium. Draw the structure of the alkene formed by reaction of this phosphonium ylide with acetone.

Which statement best describes the greenhouse effect? It is a process by which plants are able to grow well in a warm, enclosed structure. It is a process by which greenhouse gases block the sun's light to penetrate the atmosphere.

What does neutron absorption accomplish in a nuclear reactor? A. It recycles the fuel. B. It speeds up the reaction. C. It slows down the reaction. D. It increases the rate of heat absorption.

Oct-1-yne (hc≡cch2ch2ch2ch2ch2ch3) reacts rapidly with nah, forming a gas that bubbles out of the reaction mixture, as one product. oct-1-yne also reacts rapidly with ch3mgbr, and a different gas is produced.

The original concentration in a sample is 5.1 x 10^9 cfu/ml. which sample volume should yield a countable plate

An energy value of 3.313 * 10^{-19} joules is needed to break a chemical bond. What is the wavelength of energy needed to break the bond? (The speed of light = 3.00 * 10¹⁰ cm/sec; Planck's constant = 6.626 * 10^{-34} J ⋅sec). A. 5.00 * 10¹⁸ cm B. 1.

Out of the following, which element has properties of both metal and nonmetal? A. Ce B. Be C. Te D. Ne

During the synthesis of a triglyceride from its subunits, how many molecules of water are produced from dehydration synthesis?

Which symbol represents a salt? C2H2 NaCl O2 C6H12O6

How many electrons does zinc lend?

Solid iron has a density of 7.9 g/cm3. Liquid mercury has a density of 13.6 g/cm3. will iron float or sink in mercury explain