5.33 - Proponha as estabilidades relativas das espécies N2 -, N2 e N2+ . Da discussão da Seç. 4.5 (livro de Química Geral do autor Brady), quais seriam os comprimentos relativos esperados para as ligações destas espécies?

There is a single path for electrons. the current decreases when additional resistors are added. the current will be the same in each resistor. these statements best describe a(n) circuit.

A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.

Rank the following four acids in order of increasing bronsted acidity : h2f+ , ch3oh, (ch3)2oh+ , ch3sh2+