The oxygen obtained from 72 kg of water is

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WebbThe NAEC of oxygen at 10 degrees is 280 mol/kg; 280-90 = 190; So AOU is 190 mol/kg. The oxygen to carbon ratio assuming Redfield for organic matter degradation is 106C:138O2 ... (extrapolating the line to 280 mol/kg). Since the P in the surface water is not zero (preformed P) and the RKR value is 16:1 the organisms are probably not nutrient Webb20 apr. 2024 · Best answer. Correct Answer - D. 2H 2O 2(1×2+16) =36Kg → 2H 2 + O2 2×16 =32kg 2 H 2 O 2 ( 1 × 2 + 16) = 36 K g → 2 H 2 + O 2 2 × 16 = 32 k g. ∵ ∵ 36 kg H 2O H 2 O …

The oxygen obtained from 72 kg of water is - infinitylearn.com

Webb32. A sample of hydrogen gas was collected over water at 21 °C and 685 mmHg. The volume of the container was 7.80 L. Calculate the mass of H 2(g) collected. (Vapor pressure of water = 18.6 mmHg at 21 °C.) a) 0.283 g b) 0.572 g c) 0.589 g d) 7.14 33.Which of the following is/are characteristic(s) of gases? a) High compressibility 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 duxiana headboard mount

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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. WebbSolution: Key Idea: First-write the reaction for dissociation of water and then with help of unitary method find how much oxygen is produced from 72 kg of water. … WebbA solution of common salt in water is prepared by adding 20 kg of salt to 100 kg of water, to make a liquid of density 1323 kg m-3. Calculate the concentration of salt in this solution as a (a) weight/weight fraction, (b) weight/volume fraction, … dusk to dawn trailer

The amount of oxygen that can be obtained from 90kg of water is ...

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. 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 … duxiana headboard pricesWebbThe 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 … dusk to dawn times

"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 " - The oxygen obtained from 72 kg of water is

The oxygen obtained from 72 kg of water is

Webb30 mars 2024 · Convert 72g of water into moles of water using molecular weights. So water is H2O so add up those molecular weights (H=1 and O=16) 2 (1)+ (16) = 18 g/mol. … WebbCalculate the volume of oxygen gas measured at RTP produced in the reaction. Solution: 1) Write the chemical reaction: 2NaO2+ H2O ---> 2NaOH + 3⁄2O2 I have deliberately left it balanced with a fractional coefficient. 2) Determine moles of NaO2that reacted: 1.10 g 0.0200 mol 54.988 g/mol

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WebbThere are two key methods used to obtain oxygen gas. The first is by the distillation of liquid air. The second is to pass clean, dry air through a zeolite that absorbs nitrogen and leaves oxygen. A newer method, which gives oxygen of a higher purity, is to pass air over a partially permeable ceramic membrane. Webb1 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 ...

Webb1 juli 2024 · Step 1: Identify the "given" information and what the problem is asking you to "find". Given: Mass of KClO 3 = 40.0g Mass of O 2 collected = 14.9g Find: Theoretical yield, g O 2 Step 2: List other known quantities and plan the problem. 1 mol KClO 3 = 122.55 g/mol 1 mol O 2 = 32.00 g/mol WebbThe oxygen obtained from 72 kg of water is: Q. Fresh fruit contains 68 water and dry fruit contains 20 water. How much dry fruit can be obtained from 100 kg of fresh fruits? Q. …

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, …

WebbIn the reaction of hydrogen and oxygen gas to produce water, 10.0 grams of hydrogen are mixed with 40.0 grams of oxygen. What is the limiting reagent, and how many excess grams of the other is left over? 2 H 2 + O 2 ---> 2 H 2 O a) Hydrogen is the limiting reagent and 30.0 grams of oxygen are left over.

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 = … duxiana pillows pricesWebb29 nov. 2010 · Because of the 1-to-1 stoichiometry of the balanced reaction, it requires 496.081 moles of water. The molecular weight of water is 18.015 grams/mole. Therefore 496.081 moles of water will... dusk to dawn wired porch lightWebbproduce 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 ... dusk to dawn the seriesWebba) 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 duxiudownload_botWebbför 2 dagar sedan · Normal oxygen saturation for healthy adults is usually between 95% and 100%. 3. If you have a chronic health condition that affects your lungs, blood, or circulation, regularly tracking your oxygen saturation is important. An O2 sat level below 95% is not normal. A level under 90% requires emergency care. duxford what\u0027s onWebb1 jan. 2003 · Abstract. This paper presents the experiments on measurement of oxygen transfer capacity in clean water by using desorption and absorption techniques. Experiments were set up in a small-scale tank ... dusk to dawn timer switchWebb20 apr. 2024 · The oxygen obtained form 72 kg of water is A. 72 kg B. 46 kg C. 50 kg D. 64 kg. Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. dusk to dawn videos