A mixture of 80.0 g of Cr2O3 and 8.00 g of C is used to produce elemental Cr by the reaction below: Cr2O3 + 3 C > 2 Cr + 3 CO
a) What is the theoretical yield of Cr that can be obtained from the reaction mixture?
b) The actual yield is 21.7 g Cr. What is the percent yield for the reaction?

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

What is a metal replacement reaction

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?