QUESTION 15 Consider this balanced chemical equation: Ca + 2H20 -> Ca(OH)2 + H2 The limiting...
Consider this balanced chemical equation: Ca + 2H2O -> Ca(OH)2 + H2 The limiting reactant when 3.00 moles of calcium are reacted with 8.00 moles of water in the above equation is ____________________. If you carried out the above reaction with these molar amounts, what will be the theoretical yield of hydrogen gas. _______________________g. A student carried out the reaction above and collected 2.15 g of hydrogen gas product. What is the % yield for the reaction? _______________________. (3...
Calcium reacts with water according to the chemical equation below: Ca + 2H20 --> Ca(OH)2 + H2 All but which reaction is expected to occur on the basis of the reaction of calcium and water? A. Ra + 2H20 --> Ra(OH)2 + H2 OB. Sr+ 2H20 --> SH(OH)2 + H2 OC. Al + 2H20 > A(OH)2 + H2 OD. Mg + 2H20 --> Mg(OH)2 + H2 O E. Be + 2H2O -> Be(OH)2 + H2
concentration of Ca(OH)2 in the solution! 7. Given the following equation: 2 Nacio3 B 2 NaCl + 3 O2, if 12.00 moles of NaClO3 reacted in the reaction; a) How many grams of O2 produced? B) How many grams of NaCl are produced when 80.0 grams of O2 are produced? 8. Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2A1+ 3C12 → 2AlCl3 a) Identify limiting reagent b) How many grams of aluminum chloride could...
Chlorine gas reacts with phosphorus to produce phosphorus pentachloride as shown in the chemical equation below. What is the maximum number of grams of PCls are produced from 3.5 g of Cl2 and excess P? 5C12(g) + 2P(s) → 2PC13(s) 2) What is the theoretical yield of chromium that can be produced by the reaction of 40.0 g of Cr2O3 with 8.00 g of aluminum according to the unbalanced chemical equation below? Al(s) + Cr2O3(s) → Al2O3(s) + Cr(s) Ammonia...
Consider the balanced equation for the following reaction: 2H3PO4(aq) + 3Ca(OH)2(s) → 6H2O(l) + Ca3(PO4)2(s) How much excess reactant remains in the reaction if 7.83 moles of H3PO4 reacts with 1.53 moles of Ca(OH)2? 7.83 moles 2.61 moles 0.510 moles 6.30 moles 6.81 moles
4. Consider the following chemical reaction, Na(s) + 3 Hale) - 2 NH,(g) [balanced] 15:42 g of nitrogen gas are reacted with 5.42 g of hydrogen gas, which of the reactants is the limiting reactant? Use the molar mass data below if necessary. Show all your work to explain your answer. (24 points) Molar mass of N7 - 28.02 g/mol Molar mass of H; -2.02 g/mol Molar mass of NH) - 17.04 g/mol | N2 + 3H₂ → 2NH3 |...
answer questions 1,2,3 DQuestion 1 2 pts Pentacarbonyliron (Fe(CO)s) reacts with phosophorous triflouride (PF3) and hydrogen, releasing carbon monoxide according to the reaction below. If you combine 11.6 moles of Fe(CO)s. 81.6 moles of PF3, and 90 moles of H2, how many moles of Fe(CO)2(PF3)2(H2)2 are formed? Fe(CO)5 (s) + 2 PF3 (s) + 2 H2 (g)--Fe(CO)2(PF3)2(H2)2 (s) + 3 CO (g) uestion2 2 pts What is the percent yield of the following reaction if 23.4 grams of NH3 are...
8. Consider what happens when Ca(OH)2, dissolves in water. Write the balanced equation for the reaction. What can we say about the size of the equilibrium constant for this reaction? What is the [OH-] in a 3.25 mM solution of calcium hydroxide? POH? d. What is the pH of the above solution? [H30]?! What is the concentration of a calcium hydroxide solution with pH = 9.25?
The following chemical reaction takes place in aqueous solution: Fe2(SO4), (aq)+6 KOH(aq) — 2 Fe(OH)3(s)+3 K, SO4(aq) Write the net ionic equation for this reaction. 0- Identifying the limiting reactant in a drawing of a mixture The drawing below shows a mixture of molecules: key carbon hydrogen nitrogen sulfur 000000 oxygen chlorine Suppose the following chemical reaction can take place in this mixture: CH,(9)+4S(s) → CS (9)+2 H, S(9) of which reactant are there the most initial moles? Enter its...
2 pts Acetylene can be made by allowing calcium carbide to react with water. CaC2 (s) + 2H20 11-CH2 (8) + Ca(OH)2 (5 What is the theoretical yield of acetylene (C2Hz) 6.132 g of calcium carbide (CaCy) is allowed to react with 2455 g of water? O 16913C2H42681 O 2072 g C2H26 O 1774 g C2H2 (8) 3.325 g C2H2 D Question 13 2 pts If you isolate the acetylene gas in a 1.000 L flask at 298.3K and find...