What is the experimental molar mass (that is, calculated from the data given and not taken from the periodic table) of magnesium if 0.0163 grams of magnesium generates 16.99 mL of hydrogen at 20.1 °C with a hydrogen partial pressure of 723.0 torr? Note that the partial pressure of water vapor has already been subtracted from the total pressure.

Q: A 1.19 g sample of an unknown halogen occupies 109 mL at 398 K and 1.41 atm. What is the identity of…

A: Given: Mass of sample = 1.19 g. Volume of gas = 109 mL = 0.109 L Temperature of gas = 398 K And…

Q: 5. A 5L car tire is filled with N2 to a pressure of 4 atm at 18°C. (a) How many grams of N2 present…

A: Given  Volume  = 5 Liter  Pressure of N2  = 4 atm  Temperature ( T ) = 18 ℃…

Q: 18. A 5.31 mol sample of O2(g) is placed in a 1.00 L flask at 100.0°C. What is the pressure (in atm)…

A: Given, moles, n = 5.31 mol Volume, V = 1 L Temperature = 100 oC = 373 K a = 1.35 L2.atm.mol-2 b =…

Q: What is the experimental molar mass (that is, calculated from the data given and not taken from the…

A: Given Mass= 0.0316 gram Temperature =22.6 °C = 295.75K Pressure=762.6 torr Volume =31.53 mL

Q: A 0.608 g sample of a protein was dissolved in 25.00 mL of water and the resulting osmotic pressure…

A: Osmotic pressure is related to concentration and temperature by the equation π = CRT π = osmotic…

Q: When limestone (solid CaCO₂) is heated, it decomposes into time (solid CaO) and carbon dioxide gas.…

A:

Q: The estimated average concentration of NO2 in the air in the United States in 2006 was 0.016 ppm.…

A: from the Dalton's law of partial pressure ,partial pressure is the maximum pressure which a gas can…

Q: a) At what pressure does the mean free path of argon at 20 °C become comparable to the diameter of a…

A: a). First we have to find the diameter of container, The volume of a spherical container V is given…

Q: number of CO molecules

A:

Q: What is the experimental molar mass (that is, calculated from the data given and not taken from the…

A:

Q: Given the following equation: Mg(s) + 2HCl(aq) --> MgCl2(aq) + H2(g) After the reaction was…

A:

Q: Consider the reaction. TÍCI, (1) + 0,(g) –→ TiO,(s) + 2 Cl,(g) What mass of TiCl, (189.679 g/mol)…

A: The mass of TiCl4 required to produced 12.53 L of Cl2 at STP condition is to be calculated. Given:…

Q: To calculate universal gas constant (R) experimentally, the thermal decomposition reaction of KClO3…

A: The thermal decomposition reaction of KClO3 gives KCl and oxygen. MnO2 is used as catalyst for the…

Q: How many grams of sodium are needed to produce 2.24 L of hydrogen, collected at 23 °C and 92.5 kPa?…

A: using the ideal gas equation:- PV=nRT P=92.5kPa p=92.5kpa= 0.913atm V=2.24L T=23+273=296K put these…

Q: 5. In the experiment aimed to calculate the molar volume of a gas, a 0.02 mole of [CuCO3.Cu(OH)2]…

A: In the experiment aimed to calculate the molar volume of a gas, a 0.02 mole of [CuCO3.Cu(OH)2]…

Q: 4) Hydrogen peroxide decomposes spontaneously slowly to form water and oxygen gas according to the…

A: The balanced reaction taking place is given as, => 2 H2O2 (l) -----> 2 H2O (l) + O2 (g) Given…

Q: 18. The balanced equation for ammonia production shown below is important for the fertilizer…

A:

Q: 2. The atmospheric temperature at altitudes where jetliners fly is approximately -33°C. Calculate…

A: Answer:Kinetic energy of 1 nitrogen moleculeKinetic energy of 1 mole nitrogen moleculesHere:

Q: A 27.4-mL volume of HCl solution reacts completely with 59.0 mL of aqueous Na2CO3.  The volume of…

A: According to ideal gas law, PV = nRT where P = pressure of CO2 in atm = 725 / 760 = 0.954 atm…

Q: 4. If your laboratory conditions were 743.4 torr and the volume of your apparatus was 165.5 mL,…

A:

Q: At 500 °C and 93.2 kPa, the mass density of sulfur vapour is 3.710 kg m−3. What is the molecular…

A:

Q: What is the experimental molar mass (that is, calculated from the data given and not taken from the…

A:

Q: A 0.0665 g sample of aluminum metal reacts with hydrochloric acid to give 90.5 mL of hydrogen gas at…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: The airbags that protect people in car crashes are inflated by the extremely rapid decomposition of…

A:

Q: What is the experimental molar mass (that is, calculated from the data given and not taken from the…

A: moles is the ratio of mass of substance to molar mass of that substance.

Q: Hydrogen gas is collected over water at 23.5 °C and an atmospheric pressure of 765 mmHg. Calculate…

A: Hydrogen gas is collected over water at 23.5 °C and an atmospheric pressure of 765 mm Hg. Calculate…

Q: What is the experimental molar mass (that is, calculated from the data given and not taken from the…

A: Mass of magnesium = 0.0294 grams Temperature  of Hydrogen gas = 25.9°C  or 299.05K partial pressure…

Q: What is the experimental molar mass (that is, calculated from the data given and not taken from the…

A: We will first calculate the number of moles of hydrogen, then find moles of required and at last…

Q: 5. An experiment is performed to measure the mass percent of Caco,(s) in eggshells. Five different…

A: The extent of reaction is studied with help of the Le Chatelier principle. According to this if…

Q: Calculate the total volume of gas (at 29 °C and 749 mm Hg) produced by the complete decomposition of…

A: The Balanced Equation:Temperature = 29 oC and Pressure = 749 mm Hg Complete decompostion of 1.36 Kg…

Q: A mixture of cyclopropane gas and oxygen is used as an anesthetic. Cyclopropane contains 85.7% C and…

A: Molecular formula: In a molecular formula we describe the number of atoms of all the elements…

Q: As of the writing of this text, EPA standards limit atmospheric ozone levels in urban environments…

A: Given that Area covered by the air above Los Angeles = 4000 sq. miles = 1.036 x 1010 m2 . and height…

Q: At 100 °C and 16.0 kPa, the mass density of phosphorus vapour is 0.6388 kg m−3. What is the…

A: Given: The temperature and pressure of vapors of phosphorus is 100.0°C and 16 kPa, respectively. The…

Q: The atmosphere contains about 5.2×10^15 t of air. What mass in metric tons of carbon dioxide is in…

A:

Q: Use the References to access important values if needed for this question. Aluminum reacts with…

A: Here we are required to find the mass of hydrogen formed. Given molar mass of hydrogen =2 g/mol

Q: What is the experimental molar mass (that is, calculated from the data given and not taken from the…

A:

Q: O3 is produced in the troposphere through the photochemical oxidation of NO2. The photolytically…

A: O3 is produced in the troposphere through the photochemical oxidation of NO2. The photolytically…

Q: A Haber process reactor contains 25.0% nitrogen and 75.0% hydrogen for the synthesis of ammonia.…

A:

Q: What is the experimental molar mass (that is, calculated from the data given and not taken from the…

A: To calculate the molar mass of Mg , we would first calculate moles of hydrogen produced using ideal…

Q: This reaction occurs at constant temperature and pressure. The container in which this reaction is…

A: The balanced reaction taking place is given as, => 2 H2 (g) + 1 CO (g) ------> 1 CH4O (g)…

Q: An old gas cylinder you found in the back storage room of the ChE laboratory lost its label. Your…

A: Ideal gas equation is  PV = nRT  PV = (m/M)RT  P = pressure of the gas  V = volume  n = moles of gas…

Q: When the following reaction took place at 23.8 °C and a pressure of 758 torr, 3.90 L of O2(g) were…

A: Given, Note: 760 torr = 1 atm Pressure (P) = 758 torr = 0.997 atm Volume (V) = 3.90 L Temperature…

Q: What is the experimental molar mass (that is, calculated from the data given and not taken from the…

A: a). Pressure ( P ) = 727.5 torr = ( 727.5 / 760 ) atm = 0.957237 atm Temperature ( T ) = 22.2 °C =…

Q: The "air bags" that are currently installed in automobiles to prevent injuries in the event of a…

A: The given reaction :  2NaN3(s) → 2Na(s) + 3N2(g) Temperature of system = 25°C = 298 K (0°C = 273 K)…

Q: mass

A: