How many moles of H_2 can be made from complete reaction of 3.0 moles of Al?...
Diatomic N2 can react with diatomic H2 to form ammonia (NH3). The balanced chemical equation is: N2 + 3H2 ® 2NH3 If 3 moles of N2 totally reacted with more than enough H2, how many moles of ammonia would be expected to form? 6 moles 4 moles 3 moles 2 moles
How many molecules (not moles) of NH_3 are produced from 8.5 times 10^-4 g of H_2? Express your answer numerically as the number of molecules.
How many molecules (not moles) of NH_3 are produced from 3.81 times 10^-4 g of H_2? Express your answer numerically as the number of molecules.
37) How many of each type of atoms are there in the formula NH4C2H302? A) N 1,H-7,C 2, O-2 B) N-1, H 4, C-2,0-2 C)N 1, H-3, C 2, O-2 D) N-4, H-7,C-2,O-2 E) none of the above 38) Which subshell letter corresponds to a spherical orbital? A) s B) P C)f D) d E) not enough information 39) An aqueous solution is A) water with another compound dissolved in it. B) any liquid with another compound dissolved in it....
If 27 moles of MnO2 combine with 30 moles of Al, how many moles of Mn can form? What is the limiting reagent? 3 Mno2 (s) + 4 Al(s)-→ 3 Mn(s) + 2 Al2O3 (s) Step 1: Find the number of moles of Mn each starting material could form 27 moles MnO2 X moles Mn 30 moles Al moles Mn Answer Bank 3 moles MnO2 4 moles Al 3 moles Mn 2 nm moles Al203
How many moles of Al are necessary to form 23.6 g of AlBr3 from this reaction: 2 Al(s) + 3 Brz(1) ► 2 AlBrz?
17) Which of the following is TRUE? A) Stoichiometry allows prediction of how much of the reactants are necessary to form a given amount of product. B) Stoichiometry shows the numerical relationship between chemical quantities in a balanced chemical equation. C) Stoichiometry allows prediction of the amounts of products that form in a chemical reaction based on the amounts of reactants D) All of the above are true. E) None of the above are true. 18) Diatomic O2 can react...
How many moles of Al are necessary to form 34.2 g of AlBrs from this reaction: 2Al(s) + 3 Br2(1) ► 2 AIBr(s)? 1 O of 2 points earned 2 attempts remaining
How many moles of Al are necessary to form 23.6 g of AIBr; from this reaction: 2 Al(s) + 3 Brz(1) ► 2 AlBrz? How many grams of nitric acid, HNO3, are required to neutralize (completely react with) 4.30 g of Ca(OH)2 according to the acid-base reaction: 2 HNO3(aq) + Ca(OH)2(aq) → 2 H2O(l) + Ca(NO3)2(aq)
(3 pts.) 3 If 3.0 moles of potassium react with excess oxygen, how many moles of potassium oxide will form? 4 K(s) + O₂(g) → 2 K₂O(s) (3 pts.) 4 How many grams of potassium oxide can be produced from 4.50 g of K and an excess of O, based on the equation in question 3?