Question 1 Aluminum metal reacts with iron (II) oxide powder to produce aluminum oxide solid and
iron metal
O 4 Al(s) + 3 Fe2O2 (s)-> 2 Al2O3 (s) + 6 Fe (s)
Al(s) + FeO (s)
-Al2O3 (s) + Fe (s)
02 Al(s) + 1 FeO2 (s)-2 AIO (s) + 2 Fe (s)
2 Al(s) + 3 FeO (s) 1 Al2O3 (s) + 3 Fe (s)

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.

In france, grapes are 1.95 euros per kilogram. what is the cost of grapes, in dollars per pound, if the exchange rate is 1.14 dollars/euro? (2.6)

Answer asap need by wednesday morning calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 best answer will be brainliest