Answer

The mass of an evacuated 255 $\\mathrmmL$ flask is 143.187 $\\mathrmg$ . The mass of the flask filled with 267 torr of an unknown gas in ~ $25^\\circ \\mathrmC$ is 143.289 $\\mathrmg .$ calculation the molar massive of the unknown gas.

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Video Transcript

this question. Ask united state to calculation the Moler chaos took. It tells us the mess off. This compounded this unknown. Guess to calculation the molar mass. We need to no the fearbut amount turn off this unknown guest. To calculation the Moler amount, we need to use the best gas law pv close to an Artie in this question. Ns is 267. Tour T is 25 thousands degree. Mental to transform this come Calvin. Degrees on the volume is 200 under 50 55 letter so we can calculate to the molar masses 27.8 gram every mole.


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Intro to Chem - introduction

Chemistry is the scientific research of matter, especially its chemical reactions, but also its composition, structure and also properties. Chemistry faces atoms and their interactions with other atoms, and particularly with the nature of chemistry bonds. Chemistry likewise involves understanding the properties and interactions of individual atoms and also molecules for usage in larger-scale applications.

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Classification and also Properties of matter

In chemistry and physics, issue is any type of substance that has mass and takes up space by having actually volume. All day-to-day objects that have the right to be touch are ultimately composed that atoms, i m sorry are comprised of interacting subatomic particles, and in everyday and also scientific usage, \"matter\" generally consists of atoms and also anything consisted of of them, and also any particles and objects the act together if they have actually both rest mass and volume. But it go not incorporate massless corpuscle such together photons, or other energy phenomena or tide such together light or sound. Matter exists in miscellaneous states (known together phases) that are characterized by assorted physical properties, such together state of matter, phase, shape, and also density. The Standard version of bit physics and the general theory of relativity describe basic particles and the fundamental forces acting in between them that manage the structure and dynamics the matter.