View Available Hint(s) να ΑΣφ mol Submit Provide Feedback

Q: emissions spectra

A: EMISSION SPECTRUM ANALYSIS

Q: From the mass of Mg provided, calculate the volume of hydrogen gas that should have been produced.…

A: The reaction of metal with concentrated acids liberates hydrogen gas. The quantity of the hydrogen…

Q: [References] Use the References to access important values if needed for this question. How many…

A:

Q: 95.24 mL 24.0 °C Barometric pressure 739 mmHg Vapor pressure of water at 24.0 °C 22.5 mmHg Calculate…

A: Total Volume of H2 gas collected = 95.24 mL or ( 95.24 /1000 ) L Temperature, T = 24°C or 297 K…

Q: Charles' law gives us the biggest clue as to how hot air balloons function, but other factors…

A: Noble  gases are also known as inert gases ,inert gases belongs to 18 th group of periodic table .

Q: 2A+2B-->4C+D. Part A.  How many moles of C are produced from 2 mol of A? Express your answer as an…

A: Two questions based on stoichiometric equation, which are to be accomplished.

Q: a) Explain why results show that a reaction occurred in both of the volcanoes.

A: A question based on Chemical thermodynamics that is to be accomplished.

Q: A 7.00 L tank at 4.3 °C is filled with 11.8 g of sulfur tetrafluoride gas and 10.4 g of carbon…

A:

Q: b) If a steam reforming line processes methane at a temperature of 725.0°C and a pressure of 12.00…

A: Ideal gas equation is given by, PV=nRT where P is the pressure, V is the volume, n is the number of…

Q: Consider a reaction between magnesium metal, Mg, and hydrogen chloride (HCe) to produce aqueous…

A: Applying concept of limiting reagent and mole concept.

Q: The equation shown represents a gas-producing reaction. 2 KNO3 ->> 2 KNO₂ + 0₂ After 3.75 grams of…

A:

Q: You can heat ammonium carbonate to generate gaseous products of water, carbon dioxide and ammonia.…

A:

Q: A car engine it is powered by the burning of octane (C8H18) with oxygen (O2). The combustion…

A: Given that the combustion reaction of octane (C8H18) with oxygen (O2) form carbon dioxide (CO2) and…

Q: ome N₂ gas is mixed with some O₂ gas, and the sketch below shows a representative sample of the…

A: Total pressure (P) = 0.060 Kpa

Q: 25 a. A chemist collects an unknown gas. Its volume is 0.865L at 17°C and 145 kPa. How many moles of…

A:

Q: Use the References to access important values if needed for this question. What volume of carbon…

A:

Q: Dimethyl ether, CH3OCH3, undergoes gas phase decomposition to form methane, hydrogen gas, and carbon…

A: First calculate the moles of Dimethyl ether :  Moles = [ mass / molar mass ]  Moles = [ 66.92g /…

Q: One of your friends told you that they were able to determine the pressure of water produced from…

A: The balanced reaction given is, => 2 C2H6 (g) + 7 O2 (g) → 6 H2O (l) + 4 CO2 (g)  The steps given…

Q: C6H12O6 +602 6CO₂ + 6H₂O The products of the reaction are carbon dioxide (CO₂) and water (H₂O).…

A: Density of CO2 = 2.0 kg/m3

Q: Helloooo, please help. What is the cost per kilogram of Na if the complete cost to produce 123…

A:

Q: Some N₂ gas is mixed with some O₂ gas, and the sketch below shows a representative sample of the…

A: The mole fraction (f) of a species is defined as the ratio between the number of molecules or moles…

Q: 4A. When 1.00 L of an unknown gaseous compound that contains only C, H, and N is burned in oxygen,…

A: Organic compounds in presence of air break down to form gaseous compounds like carbon dioxide, water…

Q: 13. Ammonia (NH3) burns in oxygen gas to form nitric oxide (NO) and water vapor. How many liters of…

A: The reactants are ammonia(NH3) and oxygen gas, O2(g).  The products are nitric oxide, NO(g) and…

Q: Assume that a room at sea level is filled with a gas of nitrogen molecules N2 in thermal equilibrium…

A: Given , Temperature =-10°C=(-10+273)K=263 Kh= 1.05×10-34 J.s

Q: If pressure is expressed in atmospheres and volume is expressed in liters, PΔV has units of L atm…

A: We have to calculate the number of joules for the 2Latm.

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: Avogadro's Law explores the relationship between volume and number of moles of an ideal gas.…

A: Answer:Avogadro's law  states that at constant temperature and pressure, volume of gas is directly…

Q: Ammonium perchlorate (NH4ClO4) is a solid rocket fuel that was used in space shuttles. When heated…

A: Write a balanced chemical equation for the decomposition of NH4ClO4, assuming that only the…

Q: Part A MISSED THIS? Read Section 6.7 (Pages 235 - 238) ; Watch IWE 6.12. What volume of O2 gas,…

A:

Q: The combustion of octane, C8H18,C8H18, proceeds according to the reaction shown.…

A: Balanced chemical equation: 2C8H18(l)   +   25O2(g)   ⟶ 16CO2(g)   +   18H2O(l) From the above…

Q: 1. What is the mass of a water molecule in grams? 2. A chemist analyzed a sample of a compound that…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Acetylene torches are used for welding. These torches use a mixture of acetylene gas, C₂H₂, and…

A: Answer:At constant temperature, relation between pressure, volume and moles of gases is:

Q: you may be given additional oxygen to breathe. The kinetic theory (kih-NEHT-i

A: Kinetic theory of gases explain the macroscopic property of gases such as volume, pressure and…

Q: [References] Use the References to access important values if needed for this question. How many…

A:

Q: Part A-Using the Ideal-Gas Equation The Goodyear blimp contains 5.74 x 10° L of helium at 25°C and…

A:

Q: 3. a. Magnesium solid reacts with 6 M hydrochloric acid to form magnesium chloride and hydrogen.…

A:

Q: molecular formula

A:

Q: When nitroglycerine (227.1 g/mol) explodes, N₂, CO₂, H₂O, and O₂ gases are released initially.…

A: We have the explosion reaction for nitroglycerin,  4 C3H5N3O9  —>  6 N2  + 12 CO2 + 10 H2O + O2…

Q: A self-contained underwater breathing apparatus uses canisters containing potassium superoxide. The…

A: Given - 1. Volume of CO2 =16.0 L              pressure of CO2 =866 mm Hg              Temperature of…

Q: NDIR is usually used to measure a single constituent of an air sample. Think what the name implies…

A: NDIR is non-dispersive infrared spectroscopy. It is used to determine amount of Carbon monoxide and…

Q: A common ingredient used in baking to help batters rise is baking soda or sodium bicarbonate,…

A:

Q: If pressure is expressed in atmospheres and volume is expressed in liters, PAV has units of L atm…

A:

Q: The student realized that they did not dissolve all of the magnesium in the reaction and had to redo…

A:

Q: A .34 L sample of carbon dioxide gas at 1.10 ATM and temperature of 27°C reaches reacts with 35.6 mL…

A: Given data:The pressure of carbon dioxide = 1.10 atmThe temperature of carbon dioxide = 27 oCThe…

Q: Three bulbs are connected by tubing, and the tubing is evacuated. The volume of the tubing is 49.0…

A: The pressure of a fixed amount of gas changes inversely with its volume (if the temperature is…

Q: micro-syringe has a maximum volume of 50 mL. A chemical reaction known to generate methane gas is…

A:

Q: References Use the References to access important values if needed for this question. What volume of…

A:

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.