Note: Learn more about the density here. electrons contribute very slightly to the mass … Click hereto get an answer to your question ️ Iron has a density of 7.87 g/cm^3 , and the mass of an iron atom is 9.27 × 10^-26 kg . Calculate the recoil kinetic energy of the atom. Calculate the mass of an atom of (a) helium, (b) iron, and (c) lead. The percentage by weight of any atom or group of atoms in a compound can be computed by dividing the total weight of the atom (or group of atoms) in the formula by the formula weight and multiplying by 100. A free atom of iron emits K α X-rays of energy 6.4 keV. Example: convert 15 u to kg: 15 u = 15 × 1.6605402E-27 kg = 2.4908103E-26 kg An iron nucleus has a radius of 5.4x10^-15 and a mass of 9.3x10^-26 what is its mass per unit volume in kg/m^3 Homework Equations Area of a sphere = 4/3(pi)r^3 Density= M/V The Attempt at a Solution i basically plugged everything into the equations so calculated the volume and put it into the density equation but my answer is far to high i think meter. Homework Statement Iron has a mass of 7.87 g per cubic centimeter of volume, and the mass of an iron atom is 9.27 * 10^-26 kg. Everything has mass and volume, and therefore density. mass of iron atom=9.27 × 10-26 kg. density of iron 7870 kg per cu. Iron Bromide (FeBr 3) Iron Oxide (Fe 2 O 3) Iron Sulphide (FeS) Interesting facts: Iron is present in every cell in the body, but of it is found in the hemoglobin or myoglobin. In the case of Iron , density is 7.86 g/cm³. Mass of an iron atom = {eq}9.3 \times 10^{ -26 } \ kg {/eq} Kinetic energy of the atom. If you simplify and treat each atom as a cube, (a) what is the average volume (in cubic meters) required for each iron atom and (b) what is the distance (in meters) between the centers of adjacent atoms? Problem 1 Easy Difficulty. Mass of an iron atom = 9.3 x 10 -26 kg. Molar mass of Fe = 55.845 g/mol. ›› Iron molecular weight. So it is expected that the smallest piece of matter, like an atom of Iron has it too. 10 25 of them are valence.. Mass of all electrons is about 0.26 g, i.e. volume of iron atom = mass/density = 1.177 x 10-29 cu. Without enough iron in your body, you can become anemic. How to Convert Atomic Mass Unit to Kilogram. It is a very important dietary requirement. However, there are interesting facts about Iron that most don't know about. if iron atom is a cube then side of the cube is cube root of volume or 2.274 x 10-10 m. the distance betwen two iron atoms is same as side of cube meter. The atomic masses of these atoms are 4.00 u, 55.9 u, and 207 u, respectively. If the atoms are spherical and tightly packed,What is the distance between the centres of adjacent atoms? Give your answers in kilograms. But what is the density of an atom of Fe? 1 u = 1.6605402E-27 kg 1 kg = 6.0221366516752E+26 u. About Iron; 1 cubic meter of Iron weighs 7 873 kilograms [kg] 1 cubic foot of Iron weighs 491.49533 pounds [lbs] Iron weighs 7.873 gram per cubic centimeter or 7 873 kilogram per cubic meter, i.e. The kinetic energy of the atom depends upon the momentum of the particle. Common Uses: Cast iron for ovens and engine cylinder blocks
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