The equation below shows a general equation for a reaction, and the amounts of the substance are written underneath. AB + CD AC+ BD (15 g) (?) (?) (10 g) The total mass of the products is 50g. Which best completes the other two amounts? The amount of CD is 40 g, and the amount of AC is 35 g. The amount of CD is 35 g, and the amount of AC is 40 g. O The amount of CD and AC would be the same. O The amount of CD and AC is undetermined.

Please help

3. Balance this equation: CoCl, +F CoF;+ Cl, How many grams of fluorine (F,) are required to produce 264.0 g of CoF,? 4. Balance this equation: Sno+ NF, →SnF, +_N,0, If this reaction is performed using 102.3 g Sno, how many grams of N,0, will be produced?

# 31 Consider the chemical reaction shown below. >Feg O 2 Fe + 30, For this reaction write the mole-to-mole factor and the equality between%3B a) Fe and O, 102 b) Fe and Fe, c) 0, and Fe,O

1.) For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 2Al(s)+3C12(g)→2AlCl3(s) a.)1.0 g Al; 1.0 gCl2 -Express your answer as a chemical formula. b.)2.2 g Al; 1.8 g Cl2 - Express your answer as a chemical formula. c.) 0.353 g Al; 0.482 g Cl2 - Express your answer as a chemical formula.

Consider the reaction between ammonium and oxygen: 4 NH3 () + 5 02 (e) *-> 4 NO () + 6 H2O () A chemist allows 6.20 g of NH3 and 16.6 g of O2 to react. Determine the theoretical yield of NO for the reaction. O 12.5 9.83 10.9 O 11.2

The Group 2 metals (Ba, Ca, Sr) can be produced in the elemental state by the reaction of their oxides with aluminum metal at high temperatures, also producing solid aluminum oxide as a by-product. a Choose the unbalanced chemical equation for the reaction of barum oxide with aluminum. O Ba0(s) + Ba(s) Al(s) + Al03 (s) Ba0(s) + Al(s)- Ba(s) + Al, O3 (a) O Ba(s) + Al(s) Ba0(s) + Al,0 (a) O Ba(s) + Al,O3 (s) Ba0(s) + Al(s) b Choose the unbalanced chemical equation for the reaction of calcium oxide with aluminum. O CaO(s) + Ca(s)Al(s) + Al203 (s) O Ca0(s) + Al(s) → Ca(s) +Ak0: (s) O Ca(s) + Al(s) CaO(s) + Al, 0%(s) O Ca(s) + Al2O; (s) CaO(s) + AI(s) C Choose the unbalanced chemical equation for the reaction of strontium oxide with aluminum O SrO(s) + Sr(s) Al(s) + Al, 0:(s) O Sr0(s) + Al(s) Sr(s) + Al,O, (s) O Sr(s) + Al(s) SrO(s) + Al, O, (3) O Sr(s) + Al, O3 (s)SrO(s) + Al(s) Submit Answer Try Another Version 1 item attempt remaining Cengage Learning | Cengage Technical Support DELL

83

This is one question with four different parts. Please answer all four parts. Thank you

Balance the following reaction. If a reactant or product is not present, put a zero (0) in the blank. H+(aq) + H2O(l) + ClO-13(aq) + e-1 <--> Cl-1(g) + H+(aq) + H2O(l)