which of these compounds contains the greatest percentage of nitrogen

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which of these compounds contains the greatest percentage of nitrogen

Also, the numerators are the mass of hydrogen in the compound in grams, and the denominators are the molar masses of the compounds … The percent composition is used to describe the percentage of each element in a compound. as you go down the neutron/ proton ratio increases ... organic compounds frequently contain hydrogen bonded with ... sand and glass. Four common nitrogen-containing fertilizers are ammonia, ammonium nitrate, ammonium sulfate, and urea [(NH2) 2CO)]. The percent composition can be found by dividing the mass of each component by total mass. The relative amounts of each element vary by individual, mainly due to differences in the proportion of fat, muscle and bone in their body. Fat: The percentage of fat varies from person to person, but even an obese person has more water than fat. Because the troposphere is the lowest atmosphere layer, it contains 75 percent of the atmosphere’s mass. At high temperatures nitrogen can form compounds with oxygen that are harmful to the environment. Protein: In a lean male, the percentages of protein and water … In the calculations below, I have rounded the masses to whole numbers. c)ammonium sulphate- (NH4)2SO4. Divide the mass of hydrogen in each compound by the molar mass of the compound and multiply by 100. For example, blood and cerebrospinal fluid are mostly water. e)urea- CO(NH2)2. another chem question i could really use some help with . Which of these compounds contains the largest percentage by mass of nitrogen: a) ammonium chloride- NH4Cl. Based on the relative volumes of the gases in Earth’s atmosphere, nitrogen is actually more than 3 times more than oxygen. This is because when the differences are computed, this has the greatest electronegativity difference. Nitrogen is necessary for all living things and must be converted into other compounds by micro-organisms in soil. Take note that only those with differences that are 1.7 and higher are considered to be ionic. The mass and atomic fraction is the ratio of one element's mass or atom to the total mass or atom of the mixture. Which compound has a N:O mass ratio of 7:20. About 29 of these elements are thought to play an active positive role in life and health in humans. The average 70 kg (150 lb) adult human body contains approximately 7 × 10 27 atoms and contains at least detectable traces of 60 chemical elements. H-F is the most ionic out of all the choices available. Which of these compounds contains the greatest percentage of nitrogen? A certain compound is found to have the percent composition (by mass) of 85.63% C and 14.37% H. The molecular formula contains 6 carbon atoms. b) ammonium nitrate- NH4NO3. Nitrogen - Nitrogen - Properties and reaction: Nitrogen is a colourless, odourless gas, which condenses at −195.8 °C to a colourless, mobile liquid. Of the compounds listed in the question, water has the highest percent mass of hydrogen. Do this without a calculator, but you may use a periodic table. A perfect ionic bond needs to have 100% ionic bond character. Rank these fertilizers in terms of the mass percentage nitrogen they contain. The element exists as N2 molecules, represented as :N:::N:, for which the bond energy of 226 kilocalories per mole is exceeded only by that of carbon monoxide, 256 kilocalories per mole. what gaseous element makes up the greatest percentage of the atmosphere. silicates. Why do you suppose there is such a great discrepancy between the accuracy of predicted masses for these two triads. thanks Nitrogen makes up 78 percent of the air. Percent Composition Calculator. Water: Water is the most abundant chemical compound in living human cells, accounting for 65 percent to 90 percent of each cell.It's also present between cells. Formula Molar Mass C₆H₃N₃0₇ 229. g•mo1⁻¹ CH₄N₂0 60.1 g•moi⁻¹ LiNH₂ 23.0 g•moi⁻¹ Pb(N₃)₂ 291. g•moi⁻¹ (A) C₆H₃N₃0₇ (B)CH₄N₂0 (C)LiNH₂ (D) Pb(N₃)₂ How many hydrogen atoms are contained in a molecular of this compound? The effectiveness of nitrogen fertilizers depends on both their ability to deliver nitrogen to plants and the amount of nitrogen they can deliver. Nitrogen and oxygen can combine in many different proportions to create different compounds. d) ammonia- NH3. It is highly unreactive in the atmosphere. 1.7 and which of these compounds contains the greatest percentage of nitrogen are considered to be ionic the mass of each element in a compound of compound... Of these elements are thought to play an active positive role in life and health in humans fat the! Proportions to create different compounds the effectiveness of nitrogen relative volumes of the air the troposphere is the ratio 7:20... 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