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the answer choices are greater than, the same as, or less than. Magnesium reacts with oxygen...
Question 1 1 pts Fine wires of magnesium burn readily in oxygen to produce magnesium oxide. If 15.8 g of Mg are reacted with 9.69 g of Oz in a sealed reaction vessel, what is the mass of MgO produced? (Fill in only number, 3 sig figs) Question 2 1 pts Manganese(II) sulfate is produced in the following reaction: 5 H2C204(aq) + 2 KMnO4(aq) + 3 H2SO4 (aq) → 10C026 + 2 MnSO4(09) + K3504 (aq) + 8 H20 10...
How many grams of magnesium oxide form when 14.8 L of oxygen gas, measured at STP, completely reacts with magnesium metal according to this reaction? 2 Mg(s) + O2(g) → 2 MgO(s)
Question 5 1 pts Fine wires of magnesium burn readily in oxygen to produce magnesium oxide. 16.1 g of Mg are reacted with 9.65 g of Oz in a sealed reaction vessel. If 21.1g of MgO is collected from the vessel, what is the percentage yield of Mgo? (fill in the number; if you get 50.1% just fill in 50.1) 3 sig figs 2Mg(s) + O2(8) — 2MgO(s) Submit Que No new data to save Last checked at 5:03am 6:04...
Question 2 Status: Answer saved | Points possible: 1.00 Consider the balanced reaction of magnesium and oxygen. 2 Mg + O2 + 2 MgO What mass of Mgo can be produced from 1.39 g of Mg and 2.80 g of O2? Answer: 5.58 g
i need help with this experiment, i have the rawa data and
equation.
Objects crucible cover Magnesium mass (g) 20.5436 2.3947 0.4126 After 2nd heating object magnesium oxide mass (g) 0.4846 After 3rd heating object magnesium oxide mass (g) 0.5426 After 4th heating object magnesium oxide mass (g) 0.5716 M ..1 Metro by T-Mobile 6:17 AM Aa to Q 66 Experiment 6 The Law of Definite Proportions Reaction (6.1) will take place when a weighed, fixed amount of Mg(s) is...
Experiment 7 Empirical Formula Objectives: Determine the expected formula for the ionic oxide expected when Mg reacts with O2 Find the theoretical and actual yields of magnesium oxide Evaluate results using stoichiometry and error analysis Introduction: The goal of this experiment is to determine the Empirical Formula of a Compound. (The Empirical Formula of a Compound is the simplest whole number ratio between the elements of a compound) If one can synthesize a compound from elements, then it is possible...
Question A0.276 g piece of solid magnesium reacts with gaseous oxygen from the atmosphere to form solid magnesium oxide. In the laboratory a student weighs the mass of the magnesium oxide collected from this reaction as 0.304 g. 1st attempt Part 1 See Periodic Table The 0.276 g solid magnesium is the: Choose one: O A. actual yield. B. limiting reagent. C. excess reagent. O D. percent yield. O E. theoretical yield.
Please answer questions 1-7 and fill out the equation at the
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LAB-Stoichiometry/Empirical formula Name Purpose: To predict the mass of magnesium oxide (MgO) formed by reacting To determine actual yield, theoretical yield and percent yield of pro Balance the equation: Moterials: Mg ribbon, Bunsen burner, balance, crucible tongs, crucible w/id etc- Procedure: place a check after you perform each step 1Go to the scale, check for zero. Record the mass of the crucible +lid and d it below...
ReviewI ConstantsI Periodic Table Part A Magnesium oxide can be made by heating magnesium metal in the presence of the oxygen The balanced equation for the reaction is Determine the limiting reactant for the reaction. 2 Mg(s) +O2(g) 2 MgO(s) Mg(s) 02 (g) When 10.2 g Mg is allowed to react with 10.4 g O2, 12.0 g MgO is collected You may want to reference (Pages 146-151) section 4.3 while completing this problem. Previous Answer Correct The limiting reactant is...
REPORT SHEET Chemical Reactions and Equations A. Magnesium and Oxygen Sier 1. Initial appearance of Mg ranane 2. Evidence of chemical reaction MgO(s) O2(g) Mg(s)+ 3. Balance: 4. Type of chemical reaction: B. Zinc and Copper(II) Sulfate Evidence of a Chemical Reaction CuSO4(aq) Zn(s) Appearance Appearance ble Stayed vne Time Siwr pcipitnde 1. initial 2. after 30 min . Cu(s)+ZnSO4 (aq) . Zn(s) +CuSO4 (aq) 3. 4. Type of chemical reaction: ingle dsplaument C.Reactions of Metals and HCI 2. Evidence...