Homework Answers
Gay-lussac law
At constant volume and fixed mass of an ideal gas, pressure is directly proportional to the Kelvin temperature.
P = kT
For two conditions of the same gas at constant volume
P1/T1 = P2/T2
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4. A 2.0 liter soda bottle that is filled with air only is tightly capped in...
What is PART B A glass soda bottle is emptied of soda and filled to the very top with water. A cork is carefully fitte...
What is PART
B
A glass soda bottle is emptied of soda and filled to the very top with water. A cork is carefully fitted into the top of the bottle, leaving no air between the cork and the water. (Figure 1) The top of the bottle has a diameter of D_top = 2.00 cm and the bottom of the bottle has a diameter of D_bot = 6.50 cm. The glass breaks when it is exposed to P_max = 70.0...
9. What minimum mass of iron (II) nitrate must be added to 10.0 of a 0.0699...
9. What minimum mass of iron (II) nitrate must be added to 10.0 of a 0.0699 M phosphate solution in order to completely precipitate all of the phosphate as solid iron (II) phosphate? 2PO2-(aq) + 3Fe(NO3)2(aq) → Fe3(PO4)2(s) + 6NO3(aq) a. 0.125 g b. 0.377 g c. 0.0838 g d. 0.0419 g e. 0.188 g 10. A 2.00-L glass soda bottle filled only with air is tightly capped at 25°C and 728.0 mmHg. If the bottle is placed in water...
4. Typically, scuba tanks are immersed in water to cool them as they are filled with...
4. Typically, scuba tanks are immersed in water to cool them as they are filled with compressed air. If a tank is initially charged to 1500.0 psi at 34 Cand subsequently allowed to cool to 21 C, what is the final pressure in the tank? Enter the correct numerical value to 2.0% precision Express scientific notation like 4.29E-15 psi Grade This Exercise
At which point in the pipe shown in the figure above is the internal pressure of...
At which point in the pipe shown in the figure above is the internal pressure of the fluid the highest? Point A Point B Point C Point D The pressure is equal at all points in the pipe. Submit Your submissions: A ? Submitted: Wednesday, April 15 at 1:36 PM Feedback: Feedback will be available after 10:00 AM on Thursday, April 30 1 18) You accidentally leave a bottle of soda in the trunk of your car, where it heats...
9,10,11,12,13,14, and 15 please a syringe is filled with 40. mL. of air at room temperature (22°C) in the lab and then this syringe is placed into a boiling water bath. After S minutes, the volum...
9,10,11,12,13,14, and 15 please
a syringe is filled with 40. mL. of air at room temperature (22°C) in the lab and then this syringe is placed into a boiling water bath. After S minutes, the volume of gas in in the syringe (still at lab pressure) should be close to which volume? 9. Which of these is a true statement about a below a tube that is filled with a liquid such as mercury b. The weight of the liquid...
Worksheet 8 (Intro) 8. A metal tank contains three gases: oxygen, helium, and nitrogen. If the partial pressures...
Worksheet 8 (Intro) 8. A metal tank contains three gases: oxygen, helium, and nitrogen. If the partial pressures of the three gases the tank are 35 atm of O, 5.0 atm of N2, and 25 atm of He, what is the total pressure inside of the tank? 9. The partial pressure of oxygen gas in a mixture of oxygen and nitrogen gases is 1.02 atm. The total pressure of the mixture is 2.43 atm. Calculate the partial pressure of nitrogen...
Lab Exercise: Liquids and Gases Answer Key LAB EXERCISE: LIQUIDS AND GASES Part 1: Buoyancy Fill...
Lab Exercise: Liquids and Gases Answer Key
LAB EXERCISE: LIQUIDS AND GASES Part 1: Buoyancy Fill a large glass half full of water. 1. Carefully place a raw egg in the glass of water. 2. Does the egg sink or float? 3. 4. Based on the results, which do you think is the most dense? The egg or the water? 5. Gradually add salt to the water, stirring after each addition to dissolve it. Careful! Don't break the egg! Keep...
do asap part 1 part 2 part 3 part 4 5. If the activation energy for...
do
asap
part 1
part 2
part 3
part 4
5. If the activation energy for degradation by decreases to 12 kcal/mol under basic conditions from 18 kcal/mol at neutral pH while the temperature remains at 4'C, how does the shelf-life change? The frequency factor is 1.224x108. Please use reasonable units for the shelf-life. 6. A liquid preparation of aspirin needs to be filled at a concentration of 325 mg/5 mL. The solubility of aspirin is 0.33% (w/v). a.) Is...
Homework to 1. How many grams of 75% solution can you prepare from 12.300g of glucose?...
Homework to 1. How many grams of 75% solution can you prepare from 12.300g of glucose? 2. How many g of Na S, are in 125ml of 0.25M solution? 3. How many grams of water do you need to add to 350g of 15% solution to prepare 6.0% solution? 4. Please assign a physical state fitting this description: - constant volume, variable shape: - variable volume, variable shape - constant volume, constant shape 5. You fill a party balloon with...
Linear Momentum of an object is conserved At all times b. Only when the net external...
Linear Momentum of an object is conserved At all times b. Only when the net external force on the object is Zero When the net external torque on the object is Zero d. Never A truck of mass 4000 (kg) is moving at 10 (m/s). A car of mass 1000 (kg) is moving at 40 (m/s). So, the truck’s momentum, compared to the car, is Greater b. Smaller c. the same d. Cannot say without knowing their accelerations A 1000...
What is PART
B
A glass soda bottle is emptied of soda and filled to the very top with water. A cork is carefully fitted into the top of the bottle, leaving no air between the cork and the water. (Figure 1) The top of the bottle has a diameter of D_top = 2.00 cm and the bottom of the bottle has a diameter of D_bot = 6.50 cm. The glass breaks when it is exposed to P_max = 70.0...
9. What minimum mass of iron (II) nitrate must be added to 10.0 of a 0.0699 M phosphate solution in order to completely precipitate all of the phosphate as solid iron (II) phosphate? 2PO2-(aq) + 3Fe(NO3)2(aq) → Fe3(PO4)2(s) + 6NO3(aq) a. 0.125 g b. 0.377 g c. 0.0838 g d. 0.0419 g e. 0.188 g 10. A 2.00-L glass soda bottle filled only with air is tightly capped at 25°C and 728.0 mmHg. If the bottle is placed in water...
4. Typically, scuba tanks are immersed in water to cool them as they are filled with compressed air. If a tank is initially charged to 1500.0 psi at 34 Cand subsequently allowed to cool to 21 C, what is the final pressure in the tank? Enter the correct numerical value to 2.0% precision Express scientific notation like 4.29E-15 psi Grade This Exercise
At which point in the pipe shown in the figure above is the internal pressure of the fluid the highest? Point A Point B Point C Point D The pressure is equal at all points in the pipe. Submit Your submissions: A ? Submitted: Wednesday, April 15 at 1:36 PM Feedback: Feedback will be available after 10:00 AM on Thursday, April 30 1 18) You accidentally leave a bottle of soda in the trunk of your car, where it heats...
9,10,11,12,13,14, and 15 please
a syringe is filled with 40. mL. of air at room temperature (22°C) in the lab and then this syringe is placed into a boiling water bath. After S minutes, the volume of gas in in the syringe (still at lab pressure) should be close to which volume? 9. Which of these is a true statement about a below a tube that is filled with a liquid such as mercury b. The weight of the liquid...
Worksheet 8 (Intro) 8. A metal tank contains three gases: oxygen, helium, and nitrogen. If the partial pressures of the three gases the tank are 35 atm of O, 5.0 atm of N2, and 25 atm of He, what is the total pressure inside of the tank? 9. The partial pressure of oxygen gas in a mixture of oxygen and nitrogen gases is 1.02 atm. The total pressure of the mixture is 2.43 atm. Calculate the partial pressure of nitrogen...
Lab Exercise: Liquids and Gases Answer Key
LAB EXERCISE: LIQUIDS AND GASES Part 1: Buoyancy Fill a large glass half full of water. 1. Carefully place a raw egg in the glass of water. 2. Does the egg sink or float? 3. 4. Based on the results, which do you think is the most dense? The egg or the water? 5. Gradually add salt to the water, stirring after each addition to dissolve it. Careful! Don't break the egg! Keep...
do
asap
part 1
part 2
part 3
part 4
5. If the activation energy for degradation by decreases to 12 kcal/mol under basic conditions from 18 kcal/mol at neutral pH while the temperature remains at 4'C, how does the shelf-life change? The frequency factor is 1.224x108. Please use reasonable units for the shelf-life. 6. A liquid preparation of aspirin needs to be filled at a concentration of 325 mg/5 mL. The solubility of aspirin is 0.33% (w/v). a.) Is...
Homework to 1. How many grams of 75% solution can you prepare from 12.300g of glucose? 2. How many g of Na S, are in 125ml of 0.25M solution? 3. How many grams of water do you need to add to 350g of 15% solution to prepare 6.0% solution? 4. Please assign a physical state fitting this description: - constant volume, variable shape: - variable volume, variable shape - constant volume, constant shape 5. You fill a party balloon with...
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