Question 1 10 points Save Answer A 0.455 g sample of magnesium is allowed to burn...
Question 1 10 points Save Answer A 0.455 g sample of magnesium is allowed to burn in 2.315 g of oxygen gas. The sole product is magnesium oxide. After the reaction, no magnesium remains and the mass of unreacted oxygen is 2.015 g. What mass of magnesium oxide is produced?
0.755 mg
0.755 g
7.55g
7.55 mg
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Question 1 10 points Save Answer A 0.455 g sample of magnesium is allowed to burn...
Question 1 1 pts Fine wires of magnesium burn readily in oxygen to produce magnesium oxide....
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...
Question 5 1 pts Fine wires of magnesium burn readily in oxygen to produce magnesium oxide....
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...
A 0.406 g sample of magnesium reacts with oxygen, producing 0.674 g of magnesium oxide as...
A 0.406 g sample of magnesium reacts with oxygen, producing 0.674 g of magnesium oxide as the only product. What mass of oxygen was consumed in the reaction?
QUESTION ONE: For the following reaction, 13.4 grams of chlorine gas are allowed to react with...
QUESTION ONE: For the following reaction, 13.4 grams of chlorine gas are allowed to react with 8.37 grams of water . chlorine(g) + water(l) hydrochloric acid(aq) + chloric acid (HClO3)(aq) What is the maximum amount of hydrochloric acid that can be formed? grams What is the FORMULA for the limiting reagent? What amount of the excess reagent remains after the reaction is complete? grams QUESTION 2: For the following reaction, 40.2 grams of iron are allowed to react with 21.9...
QUESTION 1 0.5 points Save Answer A 567.6 mL sample of carbon dioxide gas, CO2, is...
QUESTION 1 0.5 points Save Answer A 567.6 mL sample of carbon dioxide gas, CO2, is collected at 1.41 atm and 22.3 °C. What is the mass of the carbon dioxide? QUESTION 2 0.5 points Save Answer What will be the pressure of 27.8 grams of oxygen gas in a glass container with a volume of 5 L at 28.8 °C? QUESTION 3 0.5 points Save Answer Consider the reaction between hydrogen gas and oxygen gas to form water: 2...
i need help with this experiment, i have the rawa data and equation. Objects crucible cover...
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...
Question When 10.00 g of magneslum are burned, 16.58 g of magnesium oxide are produced. What...
Question When 10.00 g of magneslum are burned, 16.58 g of magnesium oxide are produced. What mass of oxygen gas must have reacted? Provide your answer below FEEDBACKMORE INSTRUCTION SUBMIT
Question 2 Status: Answer saved | Points possible: 1.00 Consider the balanced reaction of magnesium and oxygen. 2 Mg +...
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
QUESTION 1 0.5 points Save Answer The weak acid, HX, is neutralized by sodium hydroxide as...
QUESTION 1 0.5 points Save Answer The weak acid, HX, is neutralized by sodium hydroxide as shown below: HX(aq) + NaOH(aq) - NaCN(aq) + H2000). Suppose you carried out this reaction in a coffee cup calorimeter using 50.0 mL of 0.500 M HX and 50.0 mL of 0.500 M NaOH. If the temperature of the calorimeter increases by 1.79 °C, what is the enthalpy of this neutralization reaction (in kJ/mol)? Assume the density of the solution is 1.00g/mL and that...
QUESTION 1 0.5 points Save Answer The weak acid, HX, is neutralized by sodium hydroxide as...
QUESTION 1 0.5 points Save Answer The weak acid, HX, is neutralized by sodium hydroxide as shown below: HXiaq) + NaOH(ac) + NaCN aql + H200). Suppose you carried out this reaction in a coffee cup calorimeter using 50.0 mL of 0.500 M HX and 0.500 mL of 0.500 M NAOH If the temperature of the calorimeter increases by 1.4°C, what is the enthalpy of this neutralization reaction (in kJ/mol? Assume the density of the solution is 1.00g/mL and that...
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...
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...
A 0.406 g sample of magnesium reacts with oxygen, producing 0.674 g of magnesium oxide as the only product. What mass of oxygen was consumed in the reaction?
QUESTION 1 0.5 points Save Answer A 567.6 mL sample of carbon dioxide gas, CO2, is collected at 1.41 atm and 22.3 °C. What is the mass of the carbon dioxide? QUESTION 2 0.5 points Save Answer What will be the pressure of 27.8 grams of oxygen gas in a glass container with a volume of 5 L at 28.8 °C? QUESTION 3 0.5 points Save Answer Consider the reaction between hydrogen gas and oxygen gas to form water: 2...
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...
Question When 10.00 g of magneslum are burned, 16.58 g of magnesium oxide are produced. What mass of oxygen gas must have reacted? Provide your answer below FEEDBACKMORE INSTRUCTION SUBMIT
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
QUESTION 1 0.5 points Save Answer The weak acid, HX, is neutralized by sodium hydroxide as shown below: HX(aq) + NaOH(aq) - NaCN(aq) + H2000). Suppose you carried out this reaction in a coffee cup calorimeter using 50.0 mL of 0.500 M HX and 50.0 mL of 0.500 M NaOH. If the temperature of the calorimeter increases by 1.79 °C, what is the enthalpy of this neutralization reaction (in kJ/mol)? Assume the density of the solution is 1.00g/mL and that...
QUESTION 1 0.5 points Save Answer The weak acid, HX, is neutralized by sodium hydroxide as shown below: HXiaq) + NaOH(ac) + NaCN aql + H200). Suppose you carried out this reaction in a coffee cup calorimeter using 50.0 mL of 0.500 M HX and 0.500 mL of 0.500 M NAOH If the temperature of the calorimeter increases by 1.4°C, what is the enthalpy of this neutralization reaction (in kJ/mol? Assume the density of the solution is 1.00g/mL and that...
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