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will be installed later What mass of aluminum reacts with 60.5...
i need help with all these questions please Question 23 4 pts Which of these liquids...
i need help with all these questions please
Question 23 4 pts Which of these liquids is most likely to have the lowest (slowest) rate of evaporation (g/min) and why? Select the single best answer. H H H HH :01 IH terbaru H 11 HHH cnc- 7 H H H ica H 나 Hit 4 c B A ΟΟΟΟΟΟ C, because it has the highest molar mass. A, because this molecule has the lowest molar mass.. B, because it has...
What is the pH of a 0.054 M HCl solution? What is the molarity of 30.0...
What is the pH of a 0.054 M HCl solution? What is the molarity of 30.0 mL of a 0.660 M NaOH solution after it has been diluted to 150.0 mL? Show all work . How many moles of gas are there in a gas-filled balloon, which has a volume of 67.0 L at a pressure of 780mmHg and a temperature of 25.0°C? Show all work Calculate the molar mass of methanol, CH3OH
i need help with the last four questions along with step by step he appropriate gas law to solve questions 1-6. Show work. (2 pts) A certain amount of a gas at a constant temperature has a pressur...
i need help with the last four questions along with
step by step
he appropriate gas law to solve questions 1-6. Show work. (2 pts) A certain amount of a gas at a constant temperature has a pressure of 5.50 atm and a volume of 10.0 mL. If the volume is decreased to 125.0 mL, what is the resulting pressure of the gas? : 924 a4m 125 O P v (2 pts) If 0.722 L of a certain gas at...
can you please label which is what stion 14 of 2I Container A holds 727 mL...
can
you please label which is what
stion 14 of 2I Container A holds 727 mL of an ideal gas at 2.50 atm. Container B holds 169 mL of a different ideal gas at 4.80 atm. A B If the gases are allowed to mix together, what is the resulting pressure? P= atm Heesene A 1.55 g sample of an unknown gas at 65 °C and 1.05 atm is stored in a 2.55 L flask. What is the density of...
3. Short Answer Questions: (4 pts each a. A balloon that is 70.21 L at 12.1...
3. Short Answer Questions: (4 pts each a. A balloon that is 70.21 L at 12.1 degrees Celsius and 715 torr is released and just barely clears the top of Mt. Crumpet, near Whoville. If the final volume of the balloon is 88.53 L at a temperature of 2.28 degrees Celsius, what is the pressure experienced by the balloon as it clears Mt. Crumpet? (R = 0.0821 Latm/molK) b. Use kinetic molecular theory of gases to explain Boyle's Law relating...
I need help figuring out #5.35, 5.37, 5.45, 5.57, and 5.71 Documents Pearson Updad Assgrmerti Eimiting....
I
need help figuring out #5.35, 5.37, 5.45, 5.57, and 5.71
Documents Pearson Updad Assgrmerti Eimiting. Nos |UNC 217 A gas-filled balloon having a volume of 2.50 L at 1.2 atm and 25°C is allowed to rise to the strato sphere (about 30 km above the surface of Earth), where the temperature and pressure are -23°C and 3.00 x 10 atm, respectively. Calculate the final volume of the balloon 5.35 The temperature of 2.5 L of a gas initially at...
1. Calculate the molar mass of NaHCO3: of NaHCO: 0 84.01, 2. Write the balance chemical...
1. Calculate the molar mass of NaHCO3: of NaHCO: 0 84.01, 2. Write the balance chemical equation for the reaction of sodium bicarbonate with hydrochloric acid: NaHCO3 (s) +_ HCI (aq) → 3. Calculate the volume of CO2 (in mL) of 0.005 moles of CO2 (Remember the gas equation, PV = nRT, where R -0.082 L-atm-mol''.K. Room temperature, T = 20.0°C and Pco2 = 738.5 mm Hg; 1 atm = 760 mm Hg). 4. Calculate the volume of CO2 that...
2) Consider a sample of gas that occupies 23.1 L at 1.13 atm. What volume will...
2) Consider a sample of gas that occupies 23.1 L at 1.13 atm. What volume will the same sample occupy if the pressure is increased to 3.05 atm while the temperature is held constant? 3) A fixed sample of gas occupies 25.9 mL at 211.3 K. What volume will the gas occupy at 336.6 K? 4) A fixed sample of gas exerts a pressure of 580 Torr at 284 K. What will the pressure be (in atm) if the temperature...
Experimental Determination of the Gas Constant Experimental Data . (a) Mass of Magnesium metal used (b)...
Experimental Determination of the Gas Constant Experimental Data . (a) Mass of Magnesium metal used (b) Volume of H, gas collected mi (C) Temperature of H2 gas collected (d) Atmospheric Pressure (e) Temperature of Water in bath (bucket) Vapor Pressure of Water at above temperature Trial 0.03419 36.0 ml 22 • 766-5 mm/Hg 2214 oc 19.3 mmHg Trial 2 0.02129 20.5 mL 23-0's 766 5mnHg 224 °C 22 mmHg Data Analysis Using your experimental data, determine the value of R,...
i need help with these three questions Incorrect Question 2 0/1.25 pts 0.678 g of KHP...
i need help with these three questions
Incorrect Question 2 0/1.25 pts 0.678 g of KHP is used to standardize a NaOH solution. If it took 31.55 mL of NaOH to neutralize the KHP, what is the concentration of the NaOH solution? The molar mass of KHP is 204.22 g/mol. KHP + NaOH --> NaKP + H2O Give the answer to 3 sig figs and use units of M 0.0214 Unanswered Question 3 0/1.25 pts A 25.00 mL HCl sample...
i need help with all these questions please
Question 23 4 pts Which of these liquids is most likely to have the lowest (slowest) rate of evaporation (g/min) and why? Select the single best answer. H H H HH :01 IH terbaru H 11 HHH cnc- 7 H H H ica H 나 Hit 4 c B A ΟΟΟΟΟΟ C, because it has the highest molar mass. A, because this molecule has the lowest molar mass.. B, because it has...
i need help with the last four questions along with
step by step
he appropriate gas law to solve questions 1-6. Show work. (2 pts) A certain amount of a gas at a constant temperature has a pressure of 5.50 atm and a volume of 10.0 mL. If the volume is decreased to 125.0 mL, what is the resulting pressure of the gas? : 924 a4m 125 O P v (2 pts) If 0.722 L of a certain gas at...
can
you please label which is what
stion 14 of 2I Container A holds 727 mL of an ideal gas at 2.50 atm. Container B holds 169 mL of a different ideal gas at 4.80 atm. A B If the gases are allowed to mix together, what is the resulting pressure? P= atm Heesene A 1.55 g sample of an unknown gas at 65 °C and 1.05 atm is stored in a 2.55 L flask. What is the density of...
3. Short Answer Questions: (4 pts each a. A balloon that is 70.21 L at 12.1 degrees Celsius and 715 torr is released and just barely clears the top of Mt. Crumpet, near Whoville. If the final volume of the balloon is 88.53 L at a temperature of 2.28 degrees Celsius, what is the pressure experienced by the balloon as it clears Mt. Crumpet? (R = 0.0821 Latm/molK) b. Use kinetic molecular theory of gases to explain Boyle's Law relating...
I
need help figuring out #5.35, 5.37, 5.45, 5.57, and 5.71
Documents Pearson Updad Assgrmerti Eimiting. Nos |UNC 217 A gas-filled balloon having a volume of 2.50 L at 1.2 atm and 25°C is allowed to rise to the strato sphere (about 30 km above the surface of Earth), where the temperature and pressure are -23°C and 3.00 x 10 atm, respectively. Calculate the final volume of the balloon 5.35 The temperature of 2.5 L of a gas initially at...
1. Calculate the molar mass of NaHCO3: of NaHCO: 0 84.01, 2. Write the balance chemical equation for the reaction of sodium bicarbonate with hydrochloric acid: NaHCO3 (s) +_ HCI (aq) → 3. Calculate the volume of CO2 (in mL) of 0.005 moles of CO2 (Remember the gas equation, PV = nRT, where R -0.082 L-atm-mol''.K. Room temperature, T = 20.0°C and Pco2 = 738.5 mm Hg; 1 atm = 760 mm Hg). 4. Calculate the volume of CO2 that...
Experimental Determination of the Gas Constant Experimental Data . (a) Mass of Magnesium metal used (b) Volume of H, gas collected mi (C) Temperature of H2 gas collected (d) Atmospheric Pressure (e) Temperature of Water in bath (bucket) Vapor Pressure of Water at above temperature Trial 0.03419 36.0 ml 22 • 766-5 mm/Hg 2214 oc 19.3 mmHg Trial 2 0.02129 20.5 mL 23-0's 766 5mnHg 224 °C 22 mmHg Data Analysis Using your experimental data, determine the value of R,...
i need help with these three questions
Incorrect Question 2 0/1.25 pts 0.678 g of KHP is used to standardize a NaOH solution. If it took 31.55 mL of NaOH to neutralize the KHP, what is the concentration of the NaOH solution? The molar mass of KHP is 204.22 g/mol. KHP + NaOH --> NaKP + H2O Give the answer to 3 sig figs and use units of M 0.0214 Unanswered Question 3 0/1.25 pts A 25.00 mL HCl sample...
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