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Word problem: 1. Use the following balanced chemical...
4 Na(s) + O2(g) → Na2O(s) a. How many grams of sodium are needed to completely...
4 Na(s) + O2(g) → Na2O(s) a. How many grams of sodium are needed to completely react with 2.80 liters of Oz at STP? b. What volume of O, at 25°C and 2.00 atm is needed to completely react with 4.60 grams of sodium?
1. A balloon is partially inflated with 5.00 L of helium at sea level, where the...
1. A balloon is partially inflated with 5.00 L of helium at sea level, where the atmospheric pressure is 1.00 atm. The balloon ascends to an altitude of 1600 m, where the pressure is 0.83 atm. What is the volume of the balloon at the higher altitude, if the temperature of the helium does not change? 2. What Celsius temperature is required to increase the volume of.a sealed balloon from 2.00 L to 3.00 L if the initial temperature is...
questions 2-8 Cuso. AI (SO.), + Cu Al + Type 2. Iron metal can be produced from the mineral hematite (Feo) by reacti...
questions 2-8
Cuso. AI (SO.), + Cu Al + Type 2. Iron metal can be produced from the mineral hematite (Feo) by reaction with carbon: 2 Fe,0, + 3 à 4 Fe + 300, (a) How many moles of carbon are needed to react with 7 moles of hematite? (b) How many grams of iron are formed when sufficient carbon reacts with 525 g of hematite? 3. What effect does an increase in the temperature of a gas have on...
Part (A) What is the calculation using the molar volume for each of the following at...
Part (A) What is the calculation using the molar volume for each of the following at STP? Express your answer with the appropriate units. 1) the number of moles of O2O2 in 39.0 LL of O2O2 gas 2) the volume, in liters, occupied by 2.99 moles of N2N2 gas 3) the volume, in liters, occupied by 54.5 gg of ArAr gas 4) the number of grams of H2H2 in 1420 mLmL of H2H2 gas Part (B) A sample of neon...
sig figs are important in the answers AN work must be shown to recelve credit. Circle...
sig figs are important in the answers
AN work must be shown to recelve credit. Circle the answers. 1. How many grams of He are present in 750.0 ml of gas at STP 2. Aballoon has a volume of 750 L at 80°C and is 20 C and the pressure is 0.20 atm? pressure of 380 mmHg, what尋the new volume ifthe temperat re . A baloon contains 0.76 moll N.0.18 mol O0.021 mol He and 0026 mol H pressure of...
I need help in these questions: please help ! 1. A balloon containing 157 moles of...
I need help in these questions: please help ! 1. A balloon containing 157 moles of ammonia gas has an initial volume of 60.0 mL at a temperature of 80.0 C. What is its final temperature when the volume is reduced to 50 mL? 2. An atmospheric sample contains nitrogen at 554 torr, carbon dioxide at 170 torr and oxygen. Assuming STP conditions and a total of 10.0 moles of the gas mixture, what is the partial pressure of oxygen...
Name Honors Chemistry Period Date Gas Stoichiometry, Partial Pressures, and Effusion Directions: Answer the following problems....
Name Honors Chemistry Period Date Gas Stoichiometry, Partial Pressures, and Effusion Directions: Answer the following problems. Answers must have correct significant figures and units. Show all work. Gas Stoichiometry 1. How many liters of water vapor form at STP for the complete combustion of 5.00 grams propane (C,H)? 2. Car airbags inflate due to a chemical reaction involving the formation of N2 gas. The reaction is as follows: unbalanced) NaNals)Na(s)+N(g) (a) Write the balanced chemical equation. (b) If 45.7 grams...
Take-home Practice Problems: Gases (part 1) 1. what is STP? 2. What are the units of...
Take-home Practice Problems: Gases (part 1) 1. what is STP? 2. What are the units of pressure? 3. How many torr are in 9.5 atm? 4. 775 torr are equal to how many atm? 5. Look up the following relationships between pressure, volume, and temperature. You can use your book or you can look at our website in the class schedule for this week. As Pressure increases, volume As temperature increases, volume As temperature increases, pressure As the number of...
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...
please answer all questions. thank you What volume of sulfur dioxide is required to react with...
please answer all questions. thank you
What volume of sulfur dioxide is required to react with 69.2 liters of oxygen gas according to the following reaction? (All gases are at the same temperature and pressure.) sulfur dioxide (g) + oxygen (g) — sulfur trioxide (g) liters sulfur dioxide What volume of hydrogen sulfide is required to produce 107 liters of sulfur dioxide according to the following reaction? (All gases are at the same temperature and pressure.) hydrogen sulfide (g) +...
4 Na(s) + O2(g) → Na2O(s) a. How many grams of sodium are needed to completely react with 2.80 liters of Oz at STP? b. What volume of O, at 25°C and 2.00 atm is needed to completely react with 4.60 grams of sodium?
1. A balloon is partially inflated with 5.00 L of helium at sea level, where the atmospheric pressure is 1.00 atm. The balloon ascends to an altitude of 1600 m, where the pressure is 0.83 atm. What is the volume of the balloon at the higher altitude, if the temperature of the helium does not change? 2. What Celsius temperature is required to increase the volume of.a sealed balloon from 2.00 L to 3.00 L if the initial temperature is...
questions 2-8
Cuso. AI (SO.), + Cu Al + Type 2. Iron metal can be produced from the mineral hematite (Feo) by reaction with carbon: 2 Fe,0, + 3 à 4 Fe + 300, (a) How many moles of carbon are needed to react with 7 moles of hematite? (b) How many grams of iron are formed when sufficient carbon reacts with 525 g of hematite? 3. What effect does an increase in the temperature of a gas have on...
sig figs are important in the answers
AN work must be shown to recelve credit. Circle the answers. 1. How many grams of He are present in 750.0 ml of gas at STP 2. Aballoon has a volume of 750 L at 80°C and is 20 C and the pressure is 0.20 atm? pressure of 380 mmHg, what尋the new volume ifthe temperat re . A baloon contains 0.76 moll N.0.18 mol O0.021 mol He and 0026 mol H pressure of...
Name Honors Chemistry Period Date Gas Stoichiometry, Partial Pressures, and Effusion Directions: Answer the following problems. Answers must have correct significant figures and units. Show all work. Gas Stoichiometry 1. How many liters of water vapor form at STP for the complete combustion of 5.00 grams propane (C,H)? 2. Car airbags inflate due to a chemical reaction involving the formation of N2 gas. The reaction is as follows: unbalanced) NaNals)Na(s)+N(g) (a) Write the balanced chemical equation. (b) If 45.7 grams...
Take-home Practice Problems: Gases (part 1) 1. what is STP? 2. What are the units of pressure? 3. How many torr are in 9.5 atm? 4. 775 torr are equal to how many atm? 5. Look up the following relationships between pressure, volume, and temperature. You can use your book or you can look at our website in the class schedule for this week. As Pressure increases, volume As temperature increases, volume As temperature increases, pressure As the number of...
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...
please answer all questions. thank you
What volume of sulfur dioxide is required to react with 69.2 liters of oxygen gas according to the following reaction? (All gases are at the same temperature and pressure.) sulfur dioxide (g) + oxygen (g) — sulfur trioxide (g) liters sulfur dioxide What volume of hydrogen sulfide is required to produce 107 liters of sulfur dioxide according to the following reaction? (All gases are at the same temperature and pressure.) hydrogen sulfide (g) +...
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