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questions 2-8 Cuso. AI (SO.), + Cu Al + Type 2. Iron metal can be produced from the mineral hematite (Feo) by reacti...
Classwork: Ch. Gases Name 1. A sample of chlorine gas occupies a volume of 946 mL...
Classwork: Ch. Gases Name 1. A sample of chlorine gas occupies a volume of 946 mL at a pressure of 726 mmg What is the pressure of the gas (in mmHg) if the volume is reduced at constant temperature to 154 ml? 2. A sample of carbon monoxide gas occupies 3.20 L at 125°C. At what temperature will the gas occupy a volume of 154 Lif the pressure remains constant? 3. What is the volume (in liters) occupied by 49.8...
QUESTION 2 When 56.68 g of magnesium metal reacts with excess HCl(aq) to form hydrogen gas...
QUESTION 2 When 56.68 g of magnesium metal reacts with excess HCl(aq) to form hydrogen gas and magnesium chloride, how many liters of H2 gas are produced at STP? (Hint: start by writing a balanced chemical reaction.) QUESTION 3 Methane (CH4) burns in air to form carbon dioxide and water as shown below. CH4(g)2 O2(g)CO2(g)2 H20(0) If a sample of methane occupies 344. mL at 1.37 atm, what volume (in mL) of oxygen gas at the same temperature and pressure...
2. Complete and balance this single replacement reaction (assume Zn goes to Zn) Zn+H2SO4 3. Complete and bal...
2. Complete and balance this single replacement reaction (assume Zn goes to Zn) Zn+H2SO4 3. Complete and balance this decomposition reaction: HgO 4. Name three ways you can verify that a chemical reaction has taken place. 5. Balance the following equation: Fe2O3(s) O2(g) Fe(s)+ 090ewContent40616590/View 1) At 25 C, a sample of gas occupies 2.50 L of volume. What temperature would be required to triple the volume? 2) If a 8.0 L. container of oxygen gas has a pressure of...
Part 2: Short Answer Directions: Answer each of the following questions. Be sure to use complete sentences where...
Part 2: Short Answer Directions: Answer each of the following questions. Be sure to use complete sentences where appropriate. For full credit be sure to show all of your work, UNITS and SF are important as well!!!1 balloon at a temperature of 35°C, how high can the temperature go (°C) before it will burst (5 1. A balloon will burst if the volume exceeds 4.57 L. If 2.96 L of helium are put into the points)? 2. A sample of...
8. i) How many moles of Neon gas will occupy a container with a volume of...
8. i) How many moles of Neon gas will occupy a container with a volume of 2.5 L at a temperature of 31.5°C and a pressure of 912 torr? ii) What is the density of the gas? 9. A tank of compressed mixed gases contains 0.40 moles of Hz (hydrogen), 1.3 moles of NO2 (nitrogen dioxide), and 0.80 moles of Ar (argon). The total pressure in the tank is 2.8 atm. What is the partial pressure of the Hz gas?...
62) Assume that you have a cylinder with a movable piston. What would happen to the gas pressure ...
62) Assume that you have a cylinder with a movable piston. What would happen to the gas pressure inside the cylinder if you were to do the following? (a) Triple the Kelvin temperature while holding the volume constant (b) Reduce the amount of gas by 1/3 while holding the temperature and volume constant (c) Decrease the volume by 45% at constant T (d) Halve the Kelvin temperature, and triple the volume 63) Assuming that air contains 78.0 percent Ni, 20.0...
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...
25. You’re at the zoo and have a big red 3.20 L helium balloon. The barometric...
25. You’re at the zoo and have a big red 3.20 L helium balloon. The barometric pressure is 790.0 mm Hg. Then you hear the roar of a lion. Startled, you accidently release the balloon. It flies away. By the time it reaches the clouds the atmospheric pressure is only 0.300 atm. What is the new volume of the balloon? a) 6.20 L b) 11.1 L c) 1.06 L d) 8.43 L 26. A gas sample is held at constant...
I would like some help with number 2. I'm having trouble with working out the problems. If you ch...
I would like some help with
number 2. I'm having trouble with working out the problems. If you
chould show your work step by step I could try to understand
it.
Thank you so much for your help.
Molar Conversions Problem Sets i. For each of the following find the number of moies contained in each sample -12 A) 45.3 grams of Sodium Nitide%F)356 x 1012 Forraula Units of Cesium Chloride 5, B) 1.02 x 1034 atoms of Mercury :...
General Chemistry 11/8/2019 Name:NUNLOP 10 1 The kinetic molecular theory predicts that pressure rises as the...
General Chemistry 11/8/2019 Name:NUNLOP 10 1 The kinetic molecular theory predicts that pressure rises as the temperature of a gas increases because A) the average kinetic energy of the pas molecules decreases B) the gas molecules collide more frequently with the wall C) the pas molecules collide less frequently with the wall D) the gas molecules collide more energetically with the wall E) both the gas molecules collide more frequently with the wall and the gas molecules collide more energetically...
Classwork: Ch. Gases Name 1. A sample of chlorine gas occupies a volume of 946 mL at a pressure of 726 mmg What is the pressure of the gas (in mmHg) if the volume is reduced at constant temperature to 154 ml? 2. A sample of carbon monoxide gas occupies 3.20 L at 125°C. At what temperature will the gas occupy a volume of 154 Lif the pressure remains constant? 3. What is the volume (in liters) occupied by 49.8...
QUESTION 2 When 56.68 g of magnesium metal reacts with excess HCl(aq) to form hydrogen gas and magnesium chloride, how many liters of H2 gas are produced at STP? (Hint: start by writing a balanced chemical reaction.) QUESTION 3 Methane (CH4) burns in air to form carbon dioxide and water as shown below. CH4(g)2 O2(g)CO2(g)2 H20(0) If a sample of methane occupies 344. mL at 1.37 atm, what volume (in mL) of oxygen gas at the same temperature and pressure...
2. Complete and balance this single replacement reaction (assume Zn goes to Zn) Zn+H2SO4 3. Complete and balance this decomposition reaction: HgO 4. Name three ways you can verify that a chemical reaction has taken place. 5. Balance the following equation: Fe2O3(s) O2(g) Fe(s)+ 090ewContent40616590/View 1) At 25 C, a sample of gas occupies 2.50 L of volume. What temperature would be required to triple the volume? 2) If a 8.0 L. container of oxygen gas has a pressure of...
Part 2: Short Answer Directions: Answer each of the following questions. Be sure to use complete sentences where appropriate. For full credit be sure to show all of your work, UNITS and SF are important as well!!!1 balloon at a temperature of 35°C, how high can the temperature go (°C) before it will burst (5 1. A balloon will burst if the volume exceeds 4.57 L. If 2.96 L of helium are put into the points)? 2. A sample of...
8. i) How many moles of Neon gas will occupy a container with a volume of 2.5 L at a temperature of 31.5°C and a pressure of 912 torr? ii) What is the density of the gas? 9. A tank of compressed mixed gases contains 0.40 moles of Hz (hydrogen), 1.3 moles of NO2 (nitrogen dioxide), and 0.80 moles of Ar (argon). The total pressure in the tank is 2.8 atm. What is the partial pressure of the Hz gas?...
62) Assume that you have a cylinder with a movable piston. What would happen to the gas pressure inside the cylinder if you were to do the following? (a) Triple the Kelvin temperature while holding the volume constant (b) Reduce the amount of gas by 1/3 while holding the temperature and volume constant (c) Decrease the volume by 45% at constant T (d) Halve the Kelvin temperature, and triple the volume 63) Assuming that air contains 78.0 percent Ni, 20.0...
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...
I would like some help with
number 2. I'm having trouble with working out the problems. If you
chould show your work step by step I could try to understand
it.
Thank you so much for your help.
Molar Conversions Problem Sets i. For each of the following find the number of moies contained in each sample -12 A) 45.3 grams of Sodium Nitide%F)356 x 1012 Forraula Units of Cesium Chloride 5, B) 1.02 x 1034 atoms of Mercury :...
General Chemistry 11/8/2019 Name:NUNLOP 10 1 The kinetic molecular theory predicts that pressure rises as the temperature of a gas increases because A) the average kinetic energy of the pas molecules decreases B) the gas molecules collide more frequently with the wall C) the pas molecules collide less frequently with the wall D) the gas molecules collide more energetically with the wall E) both the gas molecules collide more frequently with the wall and the gas molecules collide more energetically...
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