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Question 5 0/ 1 pts If the magnesium strip weighed 0.592 g, what would the theoretical...
A group uses 2.1550 g of salicylic acid to prepare their aspirin. What is the theoretical...
A group uses 2.1550 g of salicylic acid to prepare their aspirin. What is the theoretical yield (in grams) of their aspirin? Report your answer to four-digits after the decimal point. please answer ASAP, will rate!!
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...
1. Hydrochloric acid can dissolve solid magnesium according to the reaection below. What minimum magnesium in...
1. Hydrochloric acid can dissolve solid magnesium according to the reaection below. What minimum magnesium in grams can be dissolved by 8.52 g of HCI? (3 pts) Mg(s) + 2 HCl(aq) + MgCl2(aq) + H2(g) 2. Consider the reaction between NiS2 and O2 below. If 24.3 g of NiS2 reacts with 22.6 g of O2, what is the limiting reactant and theoretical yield of NiO? (5 pts) 2 NiSz(s) + 5 O2(g) 2 NiO(s) + 4 SO2(g) 3. The equation...
Question 5 0/1 pts Give the theoretical yield, in moles, of CO2 from the combustion of...
Question 5 0/1 pts Give the theoretical yield, in moles, of CO2 from the combustion of 4.00 mol of octane (C8H18) in the presence of 4.00 mol of oxygen. Report your answer to the appropriate number of significant figures. - mol Between 2.6 and 2.5
Question 3 3 pts What is the theoretical yield for CO2 in cellular respiration below if...
Question 3 3 pts What is the theoretical yield for CO2 in cellular respiration below if you start with 125 grams of CH2O, and excess oxygen? CH2206+602 -->600, +6H,0 Molar Mass of CO, 44,01 g/mol Molar Mass of C,H,O. 180.18 g/mol Question 4 3 pts What is the percent yield for a reaction that actually makes 245g and had a theoretical yield of 33.0g? xewa
Question 27 0/2 pts Predict what would happen if a strip of strontium were dropped into...
Question 27 0/2 pts Predict what would happen if a strip of strontium were dropped into a solution of BaSO4. Your Answer:
The solid substance that is collected dried and weighed is Cu(s). 6) What is the mass...
The solid substance that is collected dried and weighed is Cu(s). 6) What is the mass of Cu(s) collected? (Report in grams using all digits shown).(0.5 points) Cu 9 7) What is the theoretical yield of Cu(s)? (Report in grams using 4 significant figures) (2 points) 1.389 8) What is the percent yield of Cu(s)?(1.5 points) 9) What errors (list at least 2) could lead to less than 100% yield?(2 points) Think about the final weighing and transfer of product...
Question 8 (1 point) If 248.9 g of methane gas (CH4) is reacted with 306.1 g...
Question 8 (1 point) If 248.9 g of methane gas (CH4) is reacted with 306.1 g of steam (H20 (g)) to produce hydrogen gas and carbon monoxide gas, then what is the maximum mass in grams of hydrogen gas that can be produced? CH4(8) + H2O(g) + 3H2(g) + CO(g) Report your answer to 2 decimal places. No marks for units. Your Answer: Answer units Question 9 (1 point) Nitrogen gas reacts with hydrogen gas to produce ammonia gas (NH3)....
Question 5 2.5 pts In lab, a student weighed out 3.852 g of an unknown salt....
Question 5 2.5 pts In lab, a student weighed out 3.852 g of an unknown salt. Her coffee cup calorimeter weighed 39.845 g. After adding water it weighed 83.141 g. Before the addition of salt, the temperature of the water in the coffee cup was 17°C. After all the salt dissolved the maximum temperature was 21.7°C. Calculate the enthalpy of solution for the salt, AHIn Report your answer in J. You can practice the math using this virtual lab. Note:...
Question 5 2.5 pts In lab, a student weighed out 3.852 g of an unknown salt....
Question 5 2.5 pts In lab, a student weighed out 3.852 g of an unknown salt. Her coffee cup calorimeter weighed 39.845 g. After adding water it weighed 83.141 g. Before the addition of salt, the temperature of the water in the coffee cup was 17°C. After all the salt dissolved the maximum temperature was 21.7°C. Calculate the enthalpy of solution for the salt, AHIn Report your answer in J. You can practice the math using this virtual lab. Note:...
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...
1. Hydrochloric acid can dissolve solid magnesium according to the reaection below. What minimum magnesium in grams can be dissolved by 8.52 g of HCI? (3 pts) Mg(s) + 2 HCl(aq) + MgCl2(aq) + H2(g) 2. Consider the reaction between NiS2 and O2 below. If 24.3 g of NiS2 reacts with 22.6 g of O2, what is the limiting reactant and theoretical yield of NiO? (5 pts) 2 NiSz(s) + 5 O2(g) 2 NiO(s) + 4 SO2(g) 3. The equation...
Question 5 0/1 pts Give the theoretical yield, in moles, of CO2 from the combustion of 4.00 mol of octane (C8H18) in the presence of 4.00 mol of oxygen. Report your answer to the appropriate number of significant figures. - mol Between 2.6 and 2.5
Question 3 3 pts What is the theoretical yield for CO2 in cellular respiration below if you start with 125 grams of CH2O, and excess oxygen? CH2206+602 -->600, +6H,0 Molar Mass of CO, 44,01 g/mol Molar Mass of C,H,O. 180.18 g/mol Question 4 3 pts What is the percent yield for a reaction that actually makes 245g and had a theoretical yield of 33.0g? xewa
Question 27 0/2 pts Predict what would happen if a strip of strontium were dropped into a solution of BaSO4. Your Answer:
The solid substance that is collected dried and weighed is Cu(s). 6) What is the mass of Cu(s) collected? (Report in grams using all digits shown).(0.5 points) Cu 9 7) What is the theoretical yield of Cu(s)? (Report in grams using 4 significant figures) (2 points) 1.389 8) What is the percent yield of Cu(s)?(1.5 points) 9) What errors (list at least 2) could lead to less than 100% yield?(2 points) Think about the final weighing and transfer of product...
Question 8 (1 point) If 248.9 g of methane gas (CH4) is reacted with 306.1 g of steam (H20 (g)) to produce hydrogen gas and carbon monoxide gas, then what is the maximum mass in grams of hydrogen gas that can be produced? CH4(8) + H2O(g) + 3H2(g) + CO(g) Report your answer to 2 decimal places. No marks for units. Your Answer: Answer units Question 9 (1 point) Nitrogen gas reacts with hydrogen gas to produce ammonia gas (NH3)....
Question 5 2.5 pts In lab, a student weighed out 3.852 g of an unknown salt. Her coffee cup calorimeter weighed 39.845 g. After adding water it weighed 83.141 g. Before the addition of salt, the temperature of the water in the coffee cup was 17°C. After all the salt dissolved the maximum temperature was 21.7°C. Calculate the enthalpy of solution for the salt, AHIn Report your answer in J. You can practice the math using this virtual lab. Note:...
Question 5 2.5 pts In lab, a student weighed out 3.852 g of an unknown salt. Her coffee cup calorimeter weighed 39.845 g. After adding water it weighed 83.141 g. Before the addition of salt, the temperature of the water in the coffee cup was 17°C. After all the salt dissolved the maximum temperature was 21.7°C. Calculate the enthalpy of solution for the salt, AHIn Report your answer in J. You can practice the math using this virtual lab. Note:...
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