Chemistry

Chemistry, 01.08.2019 05:00, Tyrant4life

Given the atomic radius of neon, 0.69 å, and knowing that a sphere has a volume of 4πr3/3, calculate the fraction of space that ne atoms occupy in a sample of neon at stp.

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Chemistry, 27.06.2019 02:00, msbanks317

Given the atomic radius of xenon, 1.3 ? , and knowing that a sphere has a volume of 4? r3/3, calculate the fraction of space that xe atoms occupy in a sample of xenon at stp.

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Chemistry, 10.07.2019 10:50, stankyweezle

Asample of gaseous neon atoms at atmospheric pressure and 0 °c contains 2.69 * 1022 atoms per liter. the atomic radius of neon is 69 pm. what fraction of the space do the atoms occupy? what does this reveal about the separation between atoms in the gaseous phase?

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Mathematics, 12.07.2019 03:00, mdegracia73

Suppose you are given a cube made of magnesium (mg) metal of edge length 2.15 cm. (a) calculate the number of mg atoms in the cube. (b) atoms are spherical in shape. therefore, the mg atoms in the cube cannot fill all the available space. if only 74 percent of the space inside the cube is taken up by mg atoms, calculate the radius in picometers of an mg atom. (the density of mg is 1.74 g/cm3, and the volume of a sphere of radius r is 4/3π r3.) enter your answers in scientific notation.

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Chemistry, 13.08.2019 05:10, gachaperson123

Acube made of platinum (pt) has an edge length of 1.0 cm. (a) calculate the number of pt atoms in the cube. (b) atoms are spherical in shape. therefore, the pt atoms in the cube cannot fill all the available space. if only 74 percent of the space inside the cube is taken up by pt atoms, calculate the radius in picometers of a pt atom. the density pt is 21.45 g/cm3, and the mass of a single pt atom is 3.240 x 10^-22 g. (the volume of a sphere of radius r is 4/5ïr^3).

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Given the atomic radius of neon, 0.69 å, and knowing that a sphere has a volume of 4πr3/3, calculate...

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