Chemistry, 30.06.2019 03:30 esmeraldatoral0112

What are 5 uses for graphite and dimands

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Answer from: student176

fσя ∂ιαмιи∂ѕ тнєяє ιѕ:

тнєу αяє υѕє∂ ιи gємѕтσиє ʝєяωєℓєяутнєу αѕ ѕσ ѕтσиg тнєу¢αи ¢υт αиутнιиg,ѕσ тнєу αяє υѕє∂ тσ ¢σρυт gℓαѕѕ αи∂ ¢яανє вιg ѕтσиєѕтнєу αяє αѕℓσ υѕє∂ ιи киινєѕ αи∂ ѕтυff,αи∂ ¢αи вє υѕє∂ ιи ѕєиѕαтινє σρєяαтισиѕ ℓιкє ѕυяgєяιєѕтнєу υѕє тнιи ∂ιαмσи∂ѕ тσ ¢σνєя тнє σρєиιиgѕ ιи χ-яαуѕ αи∂ ℓαѕєяѕтнєу αяє αℓѕσ υѕє∂ тσ мαкє fιиє ωιяєѕ ℓιкє тнє σиєѕ υѕє∂ ιи α тσαѕтєя

fσя gяαρнιтє тнєяє ιѕ:

ιт (ιи ιтѕ ρσω∂єяє∂ fσям) ¢αи вє υѕє∂ αѕ α ℓυвяι¢αит ιи нєανу мα¢нιиαяуιт ¢αℓℓ αℓѕσ вє υѕє∂ тσ мαкє вℓα¢к ραιитѕ, вє¢αυѕє σf ιт ∂αяк gяєу ¢σℓσяιт ιѕ αℓѕσ υѕє∂ αѕ тнє ℓєα∂ ιи ρєи¢ιℓѕιт ιѕ α єχтяємєℓу gяєαт ¢σи∂υ¢тσя σf єℓє¢тιя¢ιту, ѕσ ιт ¢αи αℓѕσ вє υѕє∂ тσ мαкє єℓє¢тяσ∂єѕ ωнι¢н αяє υѕє∂ ιи тнιиgѕ ѕυ¢н αѕ єℓє¢тяι¢ fυяиα¢єѕтнє gяαgнιтє вяι¢кѕ αяє αℓѕσ υѕє∂ αѕ мσ∂єяαтσяє ιи ѕσмє αтσмι¢ яєα¢тσяѕ

нσρє ι ¢συℓ∂ нєℓρ уσυ συт тσ∂αу

Answer from: Quest

i think it is d. e because the next one is igneous.

Which letter in the rock cycle diagram represents sedimentary rock? a) a. b) b. c) d. d) e.

Answer from: Quest

1. for the first question, we must find the mass of the anhydrous salt, mgso₄. the molar mass for mgso₄·7h₂o is 246.47 g/mol, while that of mgso₄ is 120.37 g/mol.7.834 g mgso₄·7h₂o * 1 mol mgso₄·7h₂o/246.47 g * 1 mol mgso₄/1 mol mgso₄·7h₂o * 20.37 g mgso₄/mol = 0.647 g mgso₄

2. mass of water = mass of sample - mass of anhydrous salemass of water = 7.834 - 0.647 = 7.19 gpercent water in hydrate = 7.19/7.834 * 100 = 91.74%

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