Una cinta de cobre que pesa 3.178 g se calienta fuertemente en una corriente de oxígeno, hasta que toda ella se convierte en 3.978 g del compuesto negro de cobre y oxígeno. ¿Cuál es la composición porcentual de cobre y oxígeno en este compuesto?

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

Increasing the substrate concentration in an enzymatic reaction could overcome which of the following? a) the need for a coenzymeb) allosteric inhibitionc) competitive inhibitiond) insufficient cofactors

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-