Homework Answers
Please help me with a) i, a) ii, and b! thank you so much Question 2...
Please help me with a) i, a) ii, and b! thank you so much
Question 2 Solid Catalyst thene Tex Tube Glass Wool with Ethanol #Hansen Burner Ethene, C2H4(a) (molar mass 28.1 g/mol), may be prepared by the dehydration of ethanol, C2H5OH) (molar mass 46.1 g/mol), using a solid catalyst. A setup for the lab synthesis is shown in the diagram above. The equation for the dehydration reaction is given below. C,H,OH(8) ethanol Catalyst CH_(8) + H2O(g) AH998 - 45.5...
please help me with these problems . thank you so much for tour help ?? 1....
please help me with these problems . thank you so much for
tour help ??
1. A particular balloon is designed by its manufacturer to be to be inflated to a volume no more than 2.5 L. If the balloon is filled with 2.0 L of Helium at sea level and 4°C, is released and rises to an altitude at which the atmospheric pressure is 500. mmHg and -4 °C, will the balloon burst? Show all calculations to support your...
Please help me with problem B. Please provide details to help me understand. B. Titration of...
Please help me with problem B. Please provide details
to help me understand.
B. Titration of an Antacid Description Antacid 1 Antacid 2 Brand of Antacid Tums Alka-Seltzer Bases( s) in Antacid CaCO NaHCO; Mass of Flask 178.64g 178.55g Mass of Flask and Antacid 179.11g 178.93g Molarity of HCI Solution 0.10M 0.10M Total Volume (mL) of HCL Solution Added 500ml 50.Om Molarity of NaOH Solution 0.10M 0.10M Initial Volume (mL) of NaOH Solution 0.54ml 0.58ml Final Volume (mL) of NaOH...
please help, with CLEAR steps so I can follow along please! 1a. 5.0 g of O2...
please help, with CLEAR steps so I can follow along please! 1a. 5.0 g of O2 (g) and 5.0 g of N2 (g), both at 35°C, are added to a 350-mL container. Calculate the total pressure in the container. Express answer in atm. b. When 0.500 g zinc is added to excess hydrochloric acid, H2 gas is formed. Calculate the volume of gas formed at STP, assuming 100% yield. Zn (s) + 2HCl (aq) —> ZnCl2 (aq) + H2 (g)
please help me solve and show work for BOTH part A and B. thank you so...
please help me solve and show work for BOTH part A and B. thank you
so much
Consider the thermochemical equation below. 4Na(s) + O2(g) → 2 Na2O(s) AH = -828 kJ/mol A. Which reactant is the limiting reactant if 30.0 g of sodium is reacted with 12.0 L of oxygen gas at 1525 torr and 285 K? You must explain how you determined the limiting reactant for full credit (10 points) Answer: Na is the limiting reactant (Explanation omitted)...
A student determined the molar volume of CO2 gas using the procedure described in this experiment?...
A student determined the molar volume of CO2 gas using the procedure described in this experiment? He collected the following data. mass of empty Mylar balloon and fastener,g 3.03 mass of Mylar balloon, fastener, and CO2 gas, g 3.99 volume (capacity) of Mylar balloon, mL 1730 barometric pressure, in. Hg = 28.96 laboratory temperature, C = 22 a)express the pressure in atmospheres. [Note: 1 atm = 29.92in. Hg] b)express the temperature in Kelvin c)express the volume of the balloon in...
Can someone please help me with these 3 problems and explain it clear. thank you :)...
Can someone please help me with these 3 problems and explain it
clear. thank you :)
Consiaer the reaCtIon 75. CO(g)2 H2 (g) = CH3OH(g) K, = 2.26 x 104 at 25 °C Calculate AG,,n for the reaction at 25 °C under each of the following conditions: a. standard conditions b. at equilibrium 1.0 atm; Pco с. Рсн, он = 0.010 atm PH2 Consider the reaction 76. 2(g)Cl2(g)= 2 ICI(g) Kp = 81.9 at 25 °C Calculate AG,,n for the...
Can someone help me, I dont know how to approach this question. Thank you so much....
Can someone help me, I dont know how to approach this
question. Thank you so much.
In a thermochemistry experiment the reaction of 0.0857 g of an unknown metal and an excess of 4.0 M HCl resulted in a 0.210 mL decrease in the volume of an ice/water mixture in an ice calorimeter. Calculate the enthalpy of this reaction per 1 g of metal reacted. Needed data: density of water at 273 K = 1.00 g/ml density of ice at...
Please answer all questions in both worksheets! Thank you! 1. What is the ideal gas law?...
Please answer all questions in both worksheets! Thank
you!
1. What is the ideal gas law? Write the equation below and label all the components of the equation. 2. Write the balanced chemical equation for the reaction between Mg and HCI below include phases of each constituent. Mg + HCI 3. If a student used an excess of HCl to dissolve 0.045 grams of pure Mg ribbon, and collected the gas in a test tube over water how much H2...
Please help me with this lab question. Thank you very much. HCI + NaOH → 0.1...
Please help me with this lab question. Thank you very much.
HCI + NaOH → 0.1 M of HCI 0.1056 M of NaOH Trial ΔΝαΟΗ NaOH begin 5.6 ml NaOH end 27.8ml 9.3 ml 31.4 ml Observation The sol was bright, over titrated The sol was lighter pink than the first one The sol is lighter pink 19.4 ml 41.8 ml Your report should contain a table that lists the volumes of standardized NaOH solution required to titrate 25.00 ml...
Please help me with a) i, a) ii, and b! thank you so much
Question 2 Solid Catalyst thene Tex Tube Glass Wool with Ethanol #Hansen Burner Ethene, C2H4(a) (molar mass 28.1 g/mol), may be prepared by the dehydration of ethanol, C2H5OH) (molar mass 46.1 g/mol), using a solid catalyst. A setup for the lab synthesis is shown in the diagram above. The equation for the dehydration reaction is given below. C,H,OH(8) ethanol Catalyst CH_(8) + H2O(g) AH998 - 45.5...
please help me with these problems . thank you so much for
tour help ??
1. A particular balloon is designed by its manufacturer to be to be inflated to a volume no more than 2.5 L. If the balloon is filled with 2.0 L of Helium at sea level and 4°C, is released and rises to an altitude at which the atmospheric pressure is 500. mmHg and -4 °C, will the balloon burst? Show all calculations to support your...
Please help me with problem B. Please provide details
to help me understand.
B. Titration of an Antacid Description Antacid 1 Antacid 2 Brand of Antacid Tums Alka-Seltzer Bases( s) in Antacid CaCO NaHCO; Mass of Flask 178.64g 178.55g Mass of Flask and Antacid 179.11g 178.93g Molarity of HCI Solution 0.10M 0.10M Total Volume (mL) of HCL Solution Added 500ml 50.Om Molarity of NaOH Solution 0.10M 0.10M Initial Volume (mL) of NaOH Solution 0.54ml 0.58ml Final Volume (mL) of NaOH...
please help me solve and show work for BOTH part A and B. thank you
so much
Consider the thermochemical equation below. 4Na(s) + O2(g) → 2 Na2O(s) AH = -828 kJ/mol A. Which reactant is the limiting reactant if 30.0 g of sodium is reacted with 12.0 L of oxygen gas at 1525 torr and 285 K? You must explain how you determined the limiting reactant for full credit (10 points) Answer: Na is the limiting reactant (Explanation omitted)...
Can someone please help me with these 3 problems and explain it
clear. thank you :)
Consiaer the reaCtIon 75. CO(g)2 H2 (g) = CH3OH(g) K, = 2.26 x 104 at 25 °C Calculate AG,,n for the reaction at 25 °C under each of the following conditions: a. standard conditions b. at equilibrium 1.0 atm; Pco с. Рсн, он = 0.010 atm PH2 Consider the reaction 76. 2(g)Cl2(g)= 2 ICI(g) Kp = 81.9 at 25 °C Calculate AG,,n for the...
Can someone help me, I dont know how to approach this
question. Thank you so much.
In a thermochemistry experiment the reaction of 0.0857 g of an unknown metal and an excess of 4.0 M HCl resulted in a 0.210 mL decrease in the volume of an ice/water mixture in an ice calorimeter. Calculate the enthalpy of this reaction per 1 g of metal reacted. Needed data: density of water at 273 K = 1.00 g/ml density of ice at...
Please answer all questions in both worksheets! Thank
you!
1. What is the ideal gas law? Write the equation below and label all the components of the equation. 2. Write the balanced chemical equation for the reaction between Mg and HCI below include phases of each constituent. Mg + HCI 3. If a student used an excess of HCl to dissolve 0.045 grams of pure Mg ribbon, and collected the gas in a test tube over water how much H2...
Please help me with this lab question. Thank you very much.
HCI + NaOH → 0.1 M of HCI 0.1056 M of NaOH Trial ΔΝαΟΗ NaOH begin 5.6 ml NaOH end 27.8ml 9.3 ml 31.4 ml Observation The sol was bright, over titrated The sol was lighter pink than the first one The sol is lighter pink 19.4 ml 41.8 ml Your report should contain a table that lists the volumes of standardized NaOH solution required to titrate 25.00 ml...
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