The oxygen obtained from 72 kg of water is

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Webb30 juni 2024 · Answer:option B is correct 46kg please follow me. 6. The oxygen obtained from 72 kg of water is (UP CPMT) (a) 72 kg (b) 46 kg (c) 50 kg (d) 64 kg WebbGas stoichiometry is the study of the relative amounts of reactants and products in reactions that involve gases. EXAMPLE Calculate the volume of gaseous NO₂ produced by the combustion of 100 g of NH₃ at 0°C and 100 kPa. Solution Step 1. Write the balanced chemical equation. 4NH₃ (g) + 7O₂ (g) → 4NO₂ (g) + 6H₂O (l) Step 2.

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Webb27 maj 2016 · 1 The mass of magnesium ions in 1 kg of sea water is 1.3 g. The concentration in parts per million (ppm) is A 1.3 × 106 B 1.3 × 103 C 1.3 × 10–3 ... The following results were obtained for the atoms of oxygen in the sample. Relative isotopic mass Relative abundance 16 99.759 17 0.037 WebbThe oxygen obtained from 72 kg of water isa. 72 kg b. 46 kg c. 50 kg4.64 kg Get the answers you need, now! duo monitor arm by pixio

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WebbThe net ionic equation for the reaction between aqueous solutions of HF and KOH is: HF + OH- --> H2O + F- Use the solubility table to determine what anion (s) you would use to separate the ions in an aqueous solution containing both Ag+ and Fe3+ ions? Hint: You want to precipitate either Ag+ or Fe3+ and leave the other dissolved. SO4^-2 http://ocean.stanford.edu/courses/bomc/chem/lecture_07_qa.pdf WebbSo we're going to need 0.833 moles of molecular oxygen. And then I just multiply that times the molar mass of molecular oxygen. So, times 32.00 grams per mole of molecular oxygen. 0.833 times 32 is equal to that. If you go three significant figures, it's 26.7. 26.7 grams of oxygen, of molecular oxygen. cryptanalyst organization

How much hydrogen in a liter of water? - Answers

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WebbThe water molecule is composed of 2 hydrogen and 1 oxygen atom with molecular weight 18 amu .So 1mole of water contain 18gm of water.Hence 18 kg contains 1000 moles of … Webb8 juni 2024 · So for every mole of #H_2# you will form a mole of water, assuming you have sufficient oxygen to react with it all. The atomic weight of hydrogen atoms is 1, but the molar mass of diatomic #H_2# is 2 g/mol. ... The molar mass of water is 18 g/mol so you will form 4 x 18 = 72 g of water. Answer link. Related questions. duo mobility insertWebb15 mars 2024 · The percentage yield shows how much product is obtained compared to the maximum possible mass. The atom economy of a reaction gives the percentage of atoms in reactants that form a desired product. duomo cathedral florence map

"Webb2 nov. 2013 · Since the chemical formula of water is H 2 O, it implies that there is 16g of oxygen present per 18g of water. Thus, mass of oxygen obtained from 18g of water = 16g. mass of oxygen obtained from 1g of water = 16 / 18 g. mass of oxygen obtained from 90 kg or 90, 000 g of water = (90000 X 16) / 18 = 80000 " - The oxygen obtained from 72 kg of water is

The oxygen obtained from 72 kg of water is

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WebbThe equation for the breakdown of water is as follows: 2 H2O -> 2 H2 + O2 As you can see from the equation above, 2 moles of water will produce 1 mole of oxygen. As the amount of water in question is already 2 moles, the oxygen produced will be 1 mole. Depending on what you mean by “how much”, you answer Continue Reading 1 1 Scott Strough Webb22 sep. 2024 · Objectives. To experimentally determine the mass percent of oxygen in the compound potassium chlorate ( KClO 3) via the thermal decomposition of a sample of potassium chlorate. To qualitatively demonstrate that the residue resulting from the decomposition of potassium chlorate is potassium chloride. All compounds consist of …

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WebbInstead, since we know the molar mass of carbon dioxide, we can measure out a comparable mass. Carbon dioxide has a molar mass of 44.01 g/mol, so 7 moles of carbon dioxide corresponds to. 44.01 g/mol×7 = 308.07 … Webb26 dec. 2015 · The heat capacity of oxygen is: C p = (3.268 + 0.00325T) J K-1 mol-1. S4.23 ... If water changes from a liquid to a gas at 50 ... Calculate the freezing point depression of ice if a pressure of 450 atm is exerted on it by a car that weighs 1500-kg. Note: ...

WebbChapter 11: Combustion (Thanks to David Bayless for his assistance in writing this section). Introduction - Up to this point the heat Q in all problems and examples was either a given value or was obtained from the First Law relation. However in various heat engines, gas turbines, and steam power plants the heat is obtained from combustion processes, … WebbThe oxygen makes up 16g. The percent composition of the compound is: H = (2g/18g) x 100 = 11.1% O = (16g/18g) x 100 = 88.9% Percent composition can be calculated the chemical formula of a compound, or …

Webb6 maj 2024 · The oxygen obtained from 72 kg of water is obtained by the following equation. 2H 2O −→ 2H 2 + O2 2(2 + 16) = 36 (2 × 16) = 32 2 H 2 O → 2 H 2 + O 2 2 ( 2 + … Webb1 aug. 2024 · The oxygen obtained from $72 kg$ of water is obtained by the following equation. $\underset{\overset{2(2+16)}{=36}}{2 H _{2} O} \longrightarrow …

WebbOxygen is one of the most significant keys to deciphering past climates. Oxygen comes in heavy and light varieties, or isotopes, which are useful for paleoclimate research. Like all elements, oxygen is made up of a …

Webba) Water is colorless. b) The freezing point of water is 0 ºC. c) Water reacts with sodium metal to produce sodium hydroxide and hydrogen. d) The density of water at 4 ºC is 1.00 g/mL. Answer: C Physical properties include all the following except: a) boiling point b) reactivity with other substances c) odor d) specific gravity Answer: B cryptanalysts definitionWebbproduce 1200 kg/hr of steam at 0.1 MPa and 150oC. The percent conversion of the propane is 100%; of the fuel burned, 90% reacts to form CO2 and the balance to form CO. The temperature of combustion air, fuel and water entering the boiler is assumed at 25oC. The flue gas leaves the boiler at 300oC (all the water formed will be vapour). In ... cryptanalysts meaningWebbMECHANICAL ENGINEERING REVIEW. Problem Set no. 1. MULTIPLE CHOICE. 1. A spherical tank is full of water that has a mass of 10 000 kg. If the outside diameter of the tank is 2722 mm, how thick is the wall of the tank? m ρ V 10,000 V 10 m3 1000 4 πr 3 V 3 r 1.337 m d 2(1.337) 2.674 m 2674 mm 2722 - 2674 t 24 mm 2 2. cryptanalysts have found weaknesses inWebbApart from diffusion from the air, water bodies gain oxygen through photosynthesis of chorophyll bearing aquatic organisms i.e. higher plants, phytoplankton and photosynthetic bacteria. Oxygen is lost from the water body by the respiration of animals and plants and also by decomposition of organic matter. duomo florence italy skip the lineWebb27 dec. 2015 · "64.2 L" In order to be able to calculate the volume of oxygen gas produced by this reaction, you need to know the conditions for pressure and temperature. Since no mention of those conditions was made, I'll assume that the reaction takes place at STP, Standard Temperature and Pressure. STP conditions are defined as a pressure of "100 … duomo of milan constructionWebb1 nov. 2005 · Water electrolysis using proton exchange membrane (PEM) is considered a promising hydrogen-production method, although the cost of the hydrogen from PEM would be very high compared with that from ... duomp biancho tile verticallyWebb2. Determine the amount of oxygen produced when 0.549 g of KClO. 3. decomposes. The molar mass of O. 2 . is 32.0 g/mol and the molar mass of KClO. 3. is 122.6 g/mol. 2 KClO. 3 (s) → 2 KCl (s) + 3 O. 2 (g) 3. How many grams of C 6H 12O 6 are needed to form 7.500 g of C 2H 5OH? The molar mass of C 6H 12O 6 is 180.156 g/mol and the molar mass of ... cryptanalyst turing crossword clue