1. A student neglected to keep the end of the delivery tube under the surface of the water displaced oy hydrogen while the collected gas was cooling. What effect will this have on the volume of hydrogen collected? What effect will this have on the calculated mass of magnesium? a balanced chemical equation.

Q: 3. What are some beneficial applications of gases and some problems associated with gases?

A: 3.Gasses are light in weight and gas molecules are always in motion so gases can easily be…

Q: What are inert gases? Give examples?

A: In the periodic table, the elements are classified and grouped together into various blocks. There…

Q: Calculate the moles of hydrogen per gram of sample and the %Al.

A:

Q: To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an…

A: Volume of gas bulb = 3.0 L  Pressure of gas = 1.00 atm Temperature = 21°C = 294 K  Since difference…

Q: potassium chlorate is needed to produce 20.0 mL of oxygen gas at 700. mmHg and 20. °C? 1leent dlaite

A: Volume = 20 mL = 0.020 L Pressure = 700 mm Hg     = 700/760 = 0.921 atm Temperature = 20 °c = 293 K…

Q: 2. What is the molar mass of a gas if it diffuses 0.907 times the speed of argon gas? 1. (a) What is…

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Q: if 19.28 L of CO2 are collected at 52 celceus, at what temperature would the volume of this gas be…

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Q: If 34.0 mLmL of nitrogen gas reacts with 79.0 mLmL of oxygen gas, what is the volume of N2O3N2O3…

A:

Q: If 0.610g of magnesium was reacted with HCI and 511mL of hydrogen gas was collected over water at 23…

A: given, weight of Mg = 0.610 g   Theoritical yield of H2 = 511 ml   R = 0.082 L.atm.mol^-1.K^-1

Q: 13. Consider the following pictures of gases at the same temperature. O Ne and -Ar = Ar . 1V. V. V1…

A: (a)When the volume of the container is same, increase in the number of gas molecules will increases…

Q: A sample of methane gas collected at a pressure of 715 mm Hg and a temperature of 286 K has a mass…

A: Given :-  Pressure of gas = 715 mm Hg  Temperature = 286 K  Mass of CH4 gas = 13.6 grams  To be…

Q: A sample of argon gas collected at a pressure of 926 mm Hg and a temperature of 279 K has a mass of…

A: Given: Temperature= 279 K Mass= 49.9 g Pressure= 926 mm Hg=926/760= 1.22 atm

Q: Consider the following reaction: 4Al (s) + 3O2 (g) → 2Al2O3 (s) It takes 2.00 L of pure oxygen gas…

A: Answer:- This question is answered by using the simple concept of stoichiometry which involves the…

Q: 5. What volume at STP would 4.55 × 1025 molecules (particles) of oxygen gas occupy?

A:

Q: Icium? Ca + H2SO4 CaSO, + H2 hat weight of magnesium is needed to react with HCI to produce 67.2L of…

A: Atomic Mass of Ca = 40.078 g

Q: The following assumptions can be made about gas particles ? Gas particles are much smaller than the…

A: The question is based on the concept of gaseous state. we have to identify certain properties of the…

Q: Baking powder or sodium bicarbonate (NaHCO3), is used in baking to make cakes rise because the…

A: Baking powder is a leaving agent that is mainly used in the production of cakes, cookies, muffins,…

Q: Consider the following reaction: 4 Als) + 3 O2(9) → 2 Al2O3(s) It takes 4.52 L of pure oxygen gas at…

A: From given data  Volume of O2 gas V = 4.52 L    As, at STP T = 273.15 K P = 1 atm   Value of gas…

Q: When 467g of gold chloride decomposes at STP, how many liters of chlorine gas are formed? (AuCl3 =…

A: Given: The balanced chemical reaction is as follows; 2AuCl3 ----------> 2Au + 3Cl2. The molar…

Q: How many grams of carbon disulfide gas will be produced from a volume of 6.9L and a pressure of…

A: We know  the ideal gas equation is PV = nRT where P = pressure, V = volume, R = ideal gas constant,…

Q: A materials scientist has created an alloy containing aluminum, copper, and zinc, and wants to…

A: Given, Mass of alloy sample = 11.433 g Volume of hydrogen gas = 8.52 L Pressure of hydrogen gas =…

Q: When 1.10 g of zinc metal is treated with 300.0 mL of 0.800 M nitric acid solution, the products are…

A: Given : Mass of zinc i.e Zn taken = 1.10 g Concentration of nitric acid i.e HNO3 taken = 0.800 M And…

Q: Consider the following reaction: 4Al (s) + 3O2 (g) → 2A12O3 (s) It takes 2.00 L of pure oxygen gas…

A: Given data: Volume = 2.00 L STP condition.

Q: if 89.83 L of water are produced at STP? (4pts)

A: Produced volume of H2O =89.83 L 2C4H10(g) + 13O2(g) -> 8CO2(g) + 10H2O(g)

Q: Which statement describes how a macroscopic property of gases provides information about microscopic…

A: Gases have the infinite capacity to expand because of weak intermolecular forces and that is the…

Q: A sample of nitrogen gas collected at a pressure of 871 mm Hg and a temperature of 279 K has a mass…

A: To solve this problem we have to use ideal gas equation which is given as  PV = nRT  Where , P =…

Q: What volume of hydrogen at STP can be produced by reacting 8.30 mol of Al with sulfuric acid? The…

A: Chemical Reaction :-  2 Al(s) + 3 H2SO4(aq)---> Al2(SO4)3(aq) + 3 H2(g)  given mole of Al is 8.30…

Q: application of the gas law in the environment

A: ANSWER IS DISCUSSED BELOW :

Q: n atmospheres?

A:

Q: A balloon contains 0.29 moles Ar with a volume of 3.8 L under certain conditions. What volume will…

A: The change in volume of the gas can be calculated by using the Avogadro rule.

Q: A sample of oxygen gas collected at a pressure of 761 mm Hg and a temperature of 291 K has a mass of…

A:

Q: 4) Given these reactants and products: NH3 + Cl, ---> N, + HCI Balance the chemical equation. How…

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Q: A sample of nitrogen gas collected at a pressure of 690 mm Hg and a temperature of 275 K has a mass…

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Q: If 95.0 mLmL of nitrogen gas reacts with 35.0 mLmL of oxygen gas, what is the volume of NO2NO2…

A: Concept based on Stoichiometric calculation.

Q: The air that we breathe is a combination of many gasses. Which gas is makes up the majority of our…

A: Air is a mixture of gases and they together makes the atmosphere. The components of air are-…

Q: calculate the volume that this gas will take up-

A: Ideal Gas Law :-  PV = nRT  P is the pressure of gas  V is the volume occupied by gas n is the…

Q: At constant temperature, the volume of a gas decreases when its pressure increases. This observation…

A: Boyle's law states that at constant temperature, the volume of a gas decreases when it's pressure…

Q: How much potassium chlorate is needed to produce 20.0 mLmL  of oxygen gas at 700. mmHgmmHg   and…

A: 1- In this question, First we need to determine the moles of oxygen gas and consider it is an ideal…

Q: In the gas law equations, what does the subscript 1 mean and what does the subscript 2 mean?

A: The gas laws give a relationship between initial and final conditions of a system. These are derived…

Q: What volume of hydrogen at STP can be produced by reacting 8.30 mol of Al with sulfuric acid?

A: Given :-  2 Al(s) + 3 H2SO4(aq) Al2(SO4)3(aq) + 3 H2(g)  number of moles of Al = 8.30 mol  To be…

Q: What is the density (in g/L) of uranium hexafluoride (UF) at 760 mmHg and 59°C? g/L

A: The question is based on the concept of density calculations. we have to apply ideal gas equation to…

Q: A 4.33 mil sample of alr has a volume of 419 mL.How many miles of Kr are in a 5.9 L sample? Assume…

A: From gas equation: Given, n1 = 4.33 mol n2 = ? V1 = 419 ml = 0.419 L V2 = 5.9 L

Q: Olympic cyclists fill their tires with helium to make them lighter. Assume the volume of the tire is…

A: First, the moles of air present in tires is calculated as follows,

Q: What volume of oxygen (O2) gas is equal to 4.5 moles at STP?

A: 1 mole of O2 gas occupies = 22.4 L at STP  Therefore , 4.5 moles of O2 gas will occupy = 4.5 × 22.4…

Q: 20. The dependence of the volume of a gas on the number of moles at constant temperature and…

A: The dependence of the volume of gas on moles at constant temperature and pressure is described by:

Q: If 0.00901 mole of neon gas at a particular temperature and pressure occupies a volume of 242 mL,…

A: According to Avogadro, “at constant temperature and pressure, volumes of gases are related to…

Q: Calculate the density of CO2 in g / L , at STP. Calculate number of moles of gas that occupies a…

A: here we are required to find the density of carbon dioxide at STP.

Q: How is the study of the reactions of gases similar to and different from other reactions you might…

A: Chemical reactions involve the combination of two or more reactants in a specified molar ratio to…