13) State four factors that can disrupt the

balance of the ecosystem-

What writing style is required for 100 - and 200-level courses at gcu?

Which feature is the same in a voltaic cell and an electrolytic cell? A.) the name of the electrode where each half-reaction occurs B.) the sign of the electrode where each half-reaction occurs C.) the spontaneity of the reaction D.

4. Cuál es la aplicación de las reacciones de óxido-reducción en la vida diaria y en la industria?

If a fossil sample originally contained 5 grams of carbon-14 and the half-life of carbon-14 is 5,700 years. After 11,400 years how many grams of carbon-14 would remain

Molecular compounds are composed of what particles?

Which of the following is a precipitation reaction? a. 2 LiI (aq) + Hg2 (NO3) 2 (aq) →Hg2I2 (s) + 2 LiNO3 (aq) b. NaCl (aq) + LiI (aq) → NaI (aq) + LiCl (aq) c. HCl (aq) + KOH (aq) → KCl (aq) + H2O (l) d.

How many outmost electrons do lithium and potassium have

Which of the following is a heterogeneous mixture Air Salt water Steel Soil I think it's soil but I'm not positive

When 40.5 g of Al and 212.7 g of Cl2 combine in the reaction: 2 Al (s) + 3 Cl2 (g) - -> 2 AlCl3 (s) b) How many moles of AlCl3 are formed?

Which factor does not influence the rate of a chemical reaction? A. the concentration of reactants B. the surface area of reactants C. the presence of a catalyst D. the volume of the container in which the reaction occurs