Homework Answers
calcium chloride is an ionic salt that exists in solid form. The remaining substances are all gases.
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Which of the following is not an example of a compound that exists as a gas...
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...
Which one of the following is not an example of an element that occurs as a...
Which one of the following is not an example of an element that occurs as a gas at room temperature and pressure Bromine Chlorine Helium Neon Nitrogen
1) Calculate AH (250°C) for the formation of ammonia gas from nitrogen gas and hydrogen gas...
1) Calculate AH (250°C) for the formation of ammonia gas from nitrogen gas and hydrogen gas Substance Enthalpy value (kJ/mole) Entropy value K-mole) 1925 1306 191.5 Ammonia gas Hydrogen gas Nitrogen gas (write rxn with phase labels) 1) Calculate the standard Enthalpy change at 25.0°C Gaseous water (-241.8 kJ/mole) plus Carbon graphitel( 0.0 kJ/mole) yields hydrogen gas (0.0kJ/mole) plus carbon dioxide gas(-393.5 kJ/mole) Calcium carbonate (marble chips) reacts with hydrochloric acid to produce carbon dioxide gas, water and calcium chloride....
1. a sample of nitrogen gas occupies a volume of 8.75L at 66 degrees C and...
1. a sample of nitrogen gas occupies a volume of 8.75L at 66 degrees C and 0.5100atm. If the volumw of the gas sample is increased to 11300mL, while its temperature is decreases to 0 degrees C, the resulting gas pressure, in torr, will be _____ torr. 2. a samplw of argon gas collected at a pressure of 1.24atm and a temperature of 301K is found to occupy a volune of 622mL. How many moles of Ar gas are in...
(A) For the following reaction, 6.86 grams of sulfur dioxide are mixed with excess oxygen gas...
(A) For the following reaction, 6.86 grams of sulfur dioxide are mixed with excess oxygen gas . The reaction yields 6.48 grams of sulfur trioxide . sulfur dioxide ( g ) + oxygen ( g ) sulfur trioxide ( g ) What is the theoretical yield of sulfur trioxide ? grams What is the percent yield for this reaction ? % ---------------------------------------------- (B) For the following reaction, 8.25 grams of nitrogen gas are allowed to react with 1.12 grams of...
Write a balanced chemical equation for each of the following reactions: 1. Hydrogen + chlorine hydrogen...
Write a balanced chemical equation for each of the following reactions: 1. Hydrogen + chlorine hydrogen chloride 2. Hydrogen + nitrogen — ammonia 3. Carbon + steam → carbon monoxide + hydrogen 4. Calcium oxide + water calcium hydroxide 5. Phosphorus + oxygen → diphosphorus pentoxide 6. Aluminum sulfate + calcium hydroxide → aluminum hydroxide + calcium sulfate 7. Aluminum + oxygen aluminum oxide 8. Sodium peroxide + water sodium hydroxide + oxygen 9. Copper + concentrated sulfuric acid →...
Please help with these questions 1. Methane (CH4) burns in air to form carbon dioxide and...
Please help with these questions
1. Methane (CH4) burns in air to form carbon dioxide
and water as shown below.
CH4(g) + 2 O2(g) → CO2(g) + 2
H2O(l)
If a sample of methane occupies 802. mL at 3.23 atm, what
pressure (in atm) of oxygen gas with the same temperature and
volume is required to complete the reaction?
2. Consider the reaction between hydrogen gas and nitrogen gas
to form ammonia:
3 H2(g) + N2(g) → 2 NH3(g).
What...
A mixture of Sulfur dioxide(g) and nitrogen(g) in 25C is in a vessel who's volume is...
A mixture of Sulfur dioxide(g) and nitrogen(g) in 25C is in a vessel who's volume is 500ml and with total pressure of 1.09atm. the mixture is streamed across hot calcium peroxide powder, in order to remove the Sulfur dioxide in the following reaction: CaO(s) + SO2(g) -----> CaSO3(g) next, the gas is being being transferred to a vessel with volume of 150ml, pressure of 1.09atm and temperature of 50C. a. what was the partial pressure of SO2 in the original...
1. Based on the ideal gas law, there is a simple equivalency that exists between the...
1. Based on the ideal gas law, there is a simple equivalency that exists between the amount of gas and the volume it occupies. At standard temperature and pressure (STP; 273.15 K and 1 atm, respectively), one mole of gas occupies 22.4 L of volume. What mass of methanol (CH3OH) could you form if you reacted 3.39 L of a gas mixture (at STP) that contains an equal number of carbon monoxide (CO) and hydrogen gas (H2) molecules? 2. Assuming...
10. When sulfur dioxide gas reacts with oxygen gas, sulfur trioxide gasto sulfur trioxide are produced,...
10. When sulfur dioxide gas reacts with oxygen gas, sulfur trioxide gasto sulfur trioxide are produced, how maly mors of oxygen gas reacted Ex2732 & M=120.92 mol baas, sulfur trioxide gas forms. If 3.5.mer of b. If 16L of sulfur trioxide are collected, how many liters of oxygen were reacted, assuming the pressure and temperature are constant? c. If 4.5L of oxygen react with 6.0L of sulfur dioxide, how many L of sulfur trioxide wi form, assuming the pressure and...
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...
Which one of the following is not an example of an element that occurs as a gas at room temperature and pressure Bromine Chlorine Helium Neon Nitrogen
1) Calculate AH (250°C) for the formation of ammonia gas from nitrogen gas and hydrogen gas Substance Enthalpy value (kJ/mole) Entropy value K-mole) 1925 1306 191.5 Ammonia gas Hydrogen gas Nitrogen gas (write rxn with phase labels) 1) Calculate the standard Enthalpy change at 25.0°C Gaseous water (-241.8 kJ/mole) plus Carbon graphitel( 0.0 kJ/mole) yields hydrogen gas (0.0kJ/mole) plus carbon dioxide gas(-393.5 kJ/mole) Calcium carbonate (marble chips) reacts with hydrochloric acid to produce carbon dioxide gas, water and calcium chloride....
Write a balanced chemical equation for each of the following reactions: 1. Hydrogen + chlorine hydrogen chloride 2. Hydrogen + nitrogen — ammonia 3. Carbon + steam → carbon monoxide + hydrogen 4. Calcium oxide + water calcium hydroxide 5. Phosphorus + oxygen → diphosphorus pentoxide 6. Aluminum sulfate + calcium hydroxide → aluminum hydroxide + calcium sulfate 7. Aluminum + oxygen aluminum oxide 8. Sodium peroxide + water sodium hydroxide + oxygen 9. Copper + concentrated sulfuric acid →...
Please help with these questions
1. Methane (CH4) burns in air to form carbon dioxide
and water as shown below.
CH4(g) + 2 O2(g) → CO2(g) + 2
H2O(l)
If a sample of methane occupies 802. mL at 3.23 atm, what
pressure (in atm) of oxygen gas with the same temperature and
volume is required to complete the reaction?
2. Consider the reaction between hydrogen gas and nitrogen gas
to form ammonia:
3 H2(g) + N2(g) → 2 NH3(g).
What...
10. When sulfur dioxide gas reacts with oxygen gas, sulfur trioxide gasto sulfur trioxide are produced, how maly mors of oxygen gas reacted Ex2732 & M=120.92 mol baas, sulfur trioxide gas forms. If 3.5.mer of b. If 16L of sulfur trioxide are collected, how many liters of oxygen were reacted, assuming the pressure and temperature are constant? c. If 4.5L of oxygen react with 6.0L of sulfur dioxide, how many L of sulfur trioxide wi form, assuming the pressure and...
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