![]() Molecular Weight - Calculate melting point of hydrocarbons from molecular weight (molar mass). Gases - Specific Heats and Individual Gas Constants - Specific heat at constant volume, specific heat at constant pressure, specific heat ratio and individual gas constant - R - common gases as argon, air, ether, nitrogen and many more.Gases - Specific Gravities - Specific gravities of air, ammonia, butadiene, carbon dioxide, carbon monoxide and some other common gases.Gases - Molar Specific Heats - Molar specific heats for some common gases at constant volume.Gases - Explosion and Flammability Concentration Limits - Flame and explosion limits for gases like propane, methane, butane, acetylene and more.Gases - Densities - Densities and molecular weights of common gases like acetylene, air, methane, nitrogen, oxygen and others.Flame Temperatures - Gases - Adiabatic flame temperatures for common fuel gases - propane, butane, acetylene and more - in air or oxygen atmospheres.Ethylene - Thermophysical Properties - Chemical, physical and thermal properties of ethylene, also called ethene, acetene and olefiant gas.Compression and Expansion of Gases - Isothermal and isentropic gas compression and expansion processes.Carbon Dioxide - Thermophysical Properties - Chemical, physical and thermal properties of carbon dioxide.Temperature and Pressure - Figures and table with changes in Prandtl number for carbon dioxide with changes in temperature and pressure. Butane - Thermophysical Properties - Chemical, physical and thermal properties of n-Butane.Benzene - Thermophysical properties - Chemical, physical and thermal properties of benzene, also called benzol.Air - Molecular Weight and Composition - Dry air is a mixture of gases where the average molecular weight (or molar mass) can be calculated by adding the weight of each component.Acetone - Thermophysical Properties - Chemical, physical and thermal properties of acetone, also called 2-propanone, dimethyl ketone and pyroacetic acid. ![]() Material Properties - Material properties of gases, fluids and solids - densities, specific heats, viscosities and more.See also Physical data for hydrocarbons, Physical data for alcohols and carboxylic acids, Physical data for organic nitrogen compounds and Physical data for organic sulfur compounds To calculate the molecular weight of ethanol, the molecular weight of each atom in the molecule is summed: The atomic weights of the elements found in organic substances are C = 12.011, H = 1.008, S = 32.065, O = 15.999, and N = 14.007.Įxample: The molecular weight of ethanol (C 2H 5OH) The molecular weight of a pure compound is determined from its chemical formula and the atomic weights of its elements. For this reason, in many cases the unit for the molecular weight is not mentioned however, one must realize that it is not a dimensionless parameter. Molecular weight is represented by the same number in all unit systems regardless of the system used. In the SI system the unit of M is and in the English system the unit is, while in the cgs system the unit of M is. Pesos moleculares de aminoácidos: Relacionadosĭeixe seu comentário sobre a sua experiência com o balanceador de equação química.The molecular weight of a substance, also called the molar mass, M, is the mass of 1 mole of that substance, given in M gram. Pesos dos átomos e isótopos são de NIST artigo. Massa Molar ( peso molar ) é a massa de uma mole de uma substância e é expresso em g / mol.(1 u é igual a 1/12 da massa de um átomo de carbono-12) Massa Molecular ( peso molecular ) é a massa de uma molécula de uma substância e é expressa nos unificadas unidades de massa atómica (u).Os exemplos de cálculos de peso molecular:ĭefinição de massa molecular, o peso molecular, a massa molar e do peso molar Para calcular a massa molar de um composto químico escreva sua fórmula e especifique o número de massa isotópica de cada elemento dentro de colchetes. Peso computação molecular (massa molecular) Molar mass calculator also displays common compound name, Hill formula, elemental composition, mass percent composition, atomic percent compositions and allows to convert from weight to number of moles and vice versa. Grupos funcionais:D, Ph, Me, Et, Bu, AcAc, For, Ts, Tos, Bz, TMS, tBu, Bzl, Bn, Dmg.Capitalize the first letter in chemical symbol and use lower case for the remaining letters: Ca, Fe, Mg, Mn, S, O, H, C, N, Na, K, Cl, Al. Calculando a massa molar (peso molar)To calculate molar mass of a chemical compound enter its formula and click 'Compute'.
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