Answer to: Carbohydrates are molecules made of carbon, hydrogen and oxygen and may not contain other elements such as sulfur or nitrogen. True...
Vitamins are similar because they are made of the same elements-usually carbon,hydrogen, oxygen, and 1 nitrogen. They are different 2 their elements are arranged differently, and each vitamin holds one or more specific functions in the body.1. A. mostly B. partly C. sometimes D. rarely2....
International Journal of Hydrogen EnergyKuzyukov A N; Nikhayenko Y Y; Levchenko V A;.How Hydrogen Affects Operability of Chemical and Petrochemical Equipment Made of Carbon and Low Alloy Steel.International Journal of Hydrogen Energy.2002.813-817...
2Vitamins are similar because they are made of the same elements-usually carbon, hydrogen, oxygen, and sometimes nitrogen. They are different __2__ their elements are arranged differently.A.in thatB.so that C.such that D.except that 3itamins are similar because they are made of the same...
Carbohydrates are composed of the following: a. carbon b. oxygen c. hydrogen d. all of these Cellular respiration can be described as the conversion of the energy: a. stored in food to energy stored in ATP. b. stored in...
Homemade manure tea (HMT) is commonly used in North Africa to enhance crop yields. Yet their physicochemical and biological characteristics remain poorly understood. This study evaluated oxygen and hydrobiological profiles of three types of HMT (bovine, ovine and poultry based, respectively noted HMTb...
B. Air is made mostly of carbon dioxide(二氧化碳). C. Air is made mostly of hydrogen(氢气).(A)2. What do plants and trees make? A. Plants and trees make oxygen. B. Plants and trees make air. C. Plants and trees make nitrogen.( )3. What causes pollution? Which statement is NOT...
Isotope ratio mass spectrometry (IRMS) analysis was performed to predict possible links between ETN samples and its precursors. Carbon, nitrogen, hydrogen and oxygen isotope ratios were determined for a wide variety of precursor sources and for ETN samples that were prepared with selected precursors....
6 (a)Methanol can be made from a mixture of carbon monoxide and hydrogen.CO(g) +2H2(g)=CH2OH(g)The forward reaction is exothermic.(i) Explain why the concentration of methanol at equilibrium does not change.[2](ii) Suggest conditions, in terms of temperature and pressure, which would ...
1. A process for fabricating a stand alone, self-supporting microtube made of carbon nanotubes or composites based on carbon nanotubes, wherein the microtube has an outer diameter in the range of 500 to 5000 µm and a wall thickness in the range of 50 to 1000 µm, comprising either ...