Magnesium reacts with oxygen to produce magnesium oxide: 2Mg(s) + O2(g) 2MgO(s) Calculate the mass of magnesium needed to produce 12.1g of magnesium oxide. To enable Verizon Media and our partners to process your personal data select 'I agree', or select 'Manage settings' for more information and to manage your choices. Question : ( point What is the minimum mass of oxygen needed to burn 38.7 g of CHO? The limiting oxygen concentration (LOC), also known as the minimum oxygen concentration (MOC), is defined as the limiting concentration of oxygen below which combustion is not possible, independent of the concentration of fuel. This is because every sulphur atom weighs 32 and every oxygen weighs 16 (but you needed a pair of those). Add your answer and earn points. The volume of the gas has no effect. From your equation you can see that 1 mole of methane burns in 2 moles of oxygen gas. It is also dependent on the type of inert (non … Calculate mass of oxygen required to burn 1. Which direction does the reaction NH3(aq) + H2O(l) = NH4+ (aq) + OH-(aq) shift when solid NH4Cl is added. The chemical reaction of the burning of Magnesium in Oxygen (or air containing Oxygen) is # 2 Mg + 1 O_2 == 2 MgO# Magnesium has a mass of 24 g/mole Oxygen has a mass of 16 g/ mole . The LOC varies with pressure and temperature. Given this equation: 2P2O5 + 6H2O -- … Consider the combustion of methane (CH 4). 9000 grams Ethane divided by 30 (it's molecular mass) = 300 moles to react. Caculate the mass of oxygen needed to burn 175.0grams of octane. Assume that the products of … CH 4 + 2O 2 → CO 2 + 2H 2 O + Heat (1,013 Btu/ft. 90K boxes stolen in NYC daily. Of these, 28 Si and 32 S constitute 90% of the final composition. This actually means that if we had 12kg of carbon, it would take 32 kg of oxygen to burn it to 44 Kg of carbon dioxide. Mass = 2 * 10.811 + 6 = 27.622. Molecular mass of methane is 12 + 1 + 1 + 1 + 1 = 16 g/mole. Combustion is an exothermic reaction that releases energy in the forms of heat and light. Mole: (Avogadro number) 6.022•10 23 atoms Volume of 1 mole (perfect gas) 22.414 l (T= 0 oC, p = 1 atm) Kmole: 10 3 moles Mass of one mole (kmole) is a number of grams … Observations. molar mass … See the periodic table for the atomic masses. Magnesium Oxide has a mass of 40 grams /mole . Yahoo is part of Verizon Media. Firstly, you need to understand what is happening. Magnesium is 24/40 or 3/5 of the mass of Magnesium oxide . Combustion of 25.7 . Magnesium reacts with oxygen to produce magnesium oxide: 2Mg(s) + O2(g) \(\rightarrow\) 2MgO(s) Calculate the mass of magnesium needed to produce 12.1g of magnesium oxide. Question 17. Number of moles = 36.1 ÷ 27.622. 1 kg Sulphur +1 kg Oxygen >2 kg Sulphur Dioxide. … The temperature in the glass rose by 2.6 °C. The theoretical oxygen required to burn this coal is then 2.67 x C % + 8 x H% + 1 x S % - O% = 1.64 kg of Oxygen for 1 kg of Coal. Find your group chat here >> start new discussion reply. However in a diesel engine, to scavenge the cylinder and to ensure complete combustion, we always supply more than the minimum required air (excess air), up to about 3.5 times as much (50kg air/kg fuel.) Near 2×10 9 K, the oxygen-burning reaction rate is approximately 2.8×10 −12 (T 9 /2) 33 [clarification needed], where T 9 is the temperature in billion kelvins.Overall, the major products of the oxygen-burning process are 28 Si, 32,33,34 S, 35,37 Cl, 36,38 Ar, 39,41 K, and 40,42 Ca. 2. that the reaction is a complete combustion of coal with oxygen in the air into carbondioxide. Family of boy who died in Texas freeze files $100M suit, Why '90s rocker won't write 'embarrassing' memoir, Odds suggest 1 MLB team has literally nothing to play for, Study: Raised speed limit led to alarming spike in deaths, Victoria's Secret fans praise new swimsuit campaign, Bad news for Americans hoping to shed face masks, Fired 'Mandalorian' star 'not going down without a fight', Teen called out after trying to trash-talk Cam Newton, High food prices are part of a 'one-two punch' for many, Ripple effect of loss: COVID deaths near 500K. I am a struggling university chemistry student. pls Give your answer to three significant figures. Log in. Obviously, oxygen is important for life, and I think we can all agree that it would seem reasonable to assume that it has a great deal of importance for health, fitness, and weight loss. This shows that the candle flame requires an oxygen level of greater than 18.8% oxygen to remain alight. Molar masses, in g mol−1: H, 1.008 C, 12.01 O, 16.00. Question : ( point What is the minimum mass of oxygen needed to burn 38.7 g of CHO? Of these, 28 Si and 32 S constitute 90% of the final composition. Ask your question. What is the minimum mass of oxygen needed to burn 25.7g C 6 H 6 O? Variation of Minimum Spark Ignition Energies With Oxygen Concentration for Propane- Oxygen- Nitrogen Mixtures at 0.2, 0.5, and 1 Atmosphere Pressures Composite Chart of Inerting Requirements as Plotted From Literature Search LIST OF TABLES Minimum Oxygen Requirements for Flame Propagation With Various Fuels in Air- N2 Atmospheres Page 2 4 5 6 8 Therefore, 0.0625 moles of methane burns in 2 x 0.0625 moles of oxygen, or 0.13 moles. Please show every step. Air contains 23.2% by … What mass of carbon dioxide is produced from burning 100 grams of ethanol in oxygen according to this reaction: C2H5OH + 3 O2 --> 2 CO2 + 3 H2O When approaching a question like this I always find it easier to write out the equation with the known quantities written underneath each individual compound. Comment; Complaint; What volume of oxygen is required to burn completely a mixture of 22.4 dm 3 of methane and 11.2 dm 3 of hydrogen into carbon dioxide and steam? Chemisty. Calculate the maximum mass of carbon dioxide that can be made from 6.0 g of carbon and an excess of oxygen. 1.62 mol O2 = 1.62*32 = 51.84g O2 required. Butane gas is burnt which releases heat energy. Well, we have to make some assumptions. Every sulphur needs two oxygens. What is the minimum mass of oxygen, in grams, needed to burn 23.5g C3H6O? General chemistry. ATTACHMENT PREVIEW Download attachment attachment_01192016.png. Using simple chemistry it is fairly easy to calculate the minimum mass of air that would be required for complete combustion of the fuel. (a) How many moles of oxygen are required to burn 4 moles of propane? Do not trust my arithmetic! - 26844382 1050 moles of oxygen multiplied by 32 (it's molecular mass) equals 33,600 grams of oxygen which is 33.6kg. Still have questions? This is explained below: CH4 + 2o2=CO2 + 2H2O Now mass of methane is 16 g and mass of oxygen is 64(4*16). Answers (1) Adalina 9 April, 16:25. Now you can calculate how many moles of $\ce{O2}$ are required to burn a mole of $\ce{C}$. And so … Find right answers right now! Join Yahoo Answers and get 100 points today. What is the minimum mass of oxygen needed to burn 36.3 g of C5H10O - 22541032 What is the minimum mass of oxygen, in grams, needed to burn 15.7 g C6H14O? 0. From your equation you can see that 1 mole of methane burns in 2 moles of oxygen gas. Click here to get an answer to your question ️ Caculate the mass of oxygen needed to burn 175.0grams of octane velly1 velly1 05/05/2017 Chemistry College Caculate the mass of oxygen needed to burn 175.0grams of octane 1 See answer velly1 is waiting for your help. More questions about Science & Mathematics, what Molar masses, in g mol−1: The proportions of the mass is that of the molecular masses. Assume that the products of the reaction are CO2(g) and H2O(l). Assume that the products of the reaction are C02(g) Molar masses, in g mol": H, 1.008 C, 1'2•s01 O, 16.00. Find right answers right now! Therefore, you have 1 mole of methane. (Relative masses: Mg = 24.3, MgO = 40.3) number of moles of MgO = = = 0.300 mol. #1 Report Thread starter 1 year ago #1 I dont understand this question and i need help working it … As we know in the ultimate analysis of fuel we determine the mass of various combustible elements in the fuel. During the experiment the oxygen level decreased to … What is more dangerous, biohazard or radioactivity? What is the minimum volume of oxygen in liters, needed to burn 30.2g of {eq}C_6H_6O {/eq} at 47 degrees celsius and 755 mmHg? What is the minimum mass of oxygen needed to burn 36.3 g of C5H10O - 22541032 1. FUNDAMENTALS: moles and kilomoles Atomic unit mass : 1/12 12 6C ~ 1.66 10-27 kg Atoms and molecules mass is defined in atomic unit mass: which is defined in relation to the 1/12 of carbon 12 6C . Chemistry. What is the minimum mass of oxygen needed to burn 30.3 g of C6H6O? This is shown in the following example. Setting up a ratio 1 g = the mass of Magnesium C = 12, H = 1, O = 16. Answer is: mass oxygen is 129,28 grams. What is the minimum mass of oxygen needed to burn 25.7 g CGHGO ? Also, how do you calculate the mass of oxygen that reacts with magnesium? Log in. (Solved) Question 17 What is the minimum mass of oxygen needed to burn. Molar mass of C6H6O, MM = 6*MM(C) + 6*MM(H) + 1*MM(O) = 6*12.01 + 6*1.008 + 1*16.0 = 94.108 g/mol mass of C6H6O = 3 view the full answer 2Mg+O2=2MgO2 vol of Mg =12 g1 vol=6 gamount of oxygen required is 6g vicky4041 vicky4041 21.12.2018 Chemistry Secondary School Calculate the mass of oxygen required to burn 12g of magnesium. Identify the elements in these compounds  Page 1 of 1. Mass of oxygen gas needed to burn 37.5g of wax. Let's do the second one, as you could multiply by 1.5 to get the mass of the oxygen in the first. Add your answer and earn points. 2.- Calculate the molar mass of C 6 H 6 O. Minimum mass of oxygen needed Watch. Which direction does the reaction NH3(aq) + H2O(l) = NH4+ (aq) + OH-(aq) shift when 3-4 drops of HCl is added? The advantages of biomass co-firing with coal, are low CO 2 and SO 2 emissions and the use of infrastructure for fossil fuel combustion, Wang et al. Short answer: Just short of 11.5 kg. 1. Rep:? g of C6H6O in . We know that 1 mole of gas occupies 24 dm^3, Assume that the products of the reaction are CO2 and H2O. Oxygen feeds fire, so it's dangerous to use around something that is burning because it will help the fire burn much more quickly. 1. that charcoal is 100% carbon. Please help me understand how this question should be worked out. We and our partners will store and/or access information on your device through the use of cookies and similar technologies, to display personalised ads and content, for ad and content measurement, audience insights and product development. In this case, the reaction for complete combustion becomes: CH 4 + 2O 2 + 7.53N 2 → CO 2 + 2H 2 O + 7.53 N 2 + Heat … Answer is 32. Calculating the mass of copper oxide needed using moles. Name: task: Question 17 This method is described in NFPA 69. Assume that the products of the reactionare Cod and Hom Enter your answer accurate to three significant figures C. 12.01 H 1000 0, 1600 Assume that the products of the reaction are CO 2 and H 2 O. presence of oxygen . … Near 2×10 9 K, the oxygen-burning reaction rate is approximately 2.8×10 −12 (T 9 /2) 33 [clarification needed], where T 9 is the temperature in billion kelvins.Overall, the major products of the oxygen-burning process are 28 Si, 32,33,34 S, 35,37 Cl, 36,38 Ar, 39,41 K, and 40,42 Ca. Chemical reaction: 2C 1 8 H 3 8 + 55O 2 → 36CO 2 + 38H 2 O. m (C 1 8 H 3 8) = 37,5 g. n (C 1 8 H 3 8) = m (C 1 8 H 3 8) : M (C 1 8 H 3 8) . Thanks! If the molecular masses are now inserted; 12 + 32 → 44. Brainly User Brainly User 11.09.2020 Chemistry Secondary School What is the minimum mass of oxygen needed to burn 36.3 g of C5H10O 1 See answer User is waiting for your help. So rubbing two sticks together to make fire... even breadsticks? Equations of the reactions are given below. Assume that the products of the reactionare Cod and Hom Enter your answer accurate to three significant figures C. 12.01 H 1000 0, 1600 The balanced equation you provide has nothing to do with the burning of C3H6O. This heat energy is absorbed by water. As,the atomic weight of Oxygen is 16grams 16*20=320 Grams Hence 320 grams of oxygen is required to completely burn out 480 grams of magnesium. The mass of air that must be supplied to contain the required oxygen is: 3.26 ÷ 0.23 = 14.17kg.