'Empirical mass' presentation slideshows

Changing Matter

Changing Matter. Matter can be changed two ways: Physically Physical reaction Physical change Chemically Chemical reaction Chemical change. Physical Changes. Do NOT CHANGE THE TYPE OF MATTER Nothing new or different is formed Could be a change in: Mass Volume Density

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Molar Conversions (p.80-85, 221-226)

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Molar Conversions

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Molar Conversions

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Weds March 5 , 2014

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BELLWORK 2/04/19

BELLWORK 2/04/19. What is the mass of 2 moles of MgCl 2?. ANSWER. Find the formula mass of the ionic compound first. Mg = 24.3 amu 2 Cl = 35.5 x 2 = 71.0 amu Formula Mass = Molar Mass Molar Mass = 71.0 + 24.3 = 95.3 g/mol Multiply Molar Mass x 2 = 190.6g. Types of Formulas.

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Formula Calculations

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Unit 7 chemical Calculations

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Aim: What is the difference between empirical and molecular formulas?

Aim: What is the difference between empirical and molecular formulas?. Do Now: Complete Worksheet Homework: Castle Learning #3, test Friday, Quiz Wednesday. VIII. Percent Composition, Molecular and Empirical Formulas.

312 views • 15 slides

III. Formula Calculations (p. 226-233)

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Formula Calculations by Christy Johannesson

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Empirical Formulas

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327 views • 12 slides

Percent composition, empirical formulas, molecular formulas,and formula for a hydrate

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The MOLE

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Empirical and Molecular formulas are different

Mr. Quinn & Ms. Tom January 13, 2014 Aim: How can molecular formulas be found from mass percent data? Do Now: Solve for x : 60x = 240 Find the smallest whole-number ratio: 4:12:8 Find the empirical formula: C: 12 g O: 32 g. Empirical and Molecular formulas are different.

221 views • 8 slides

Molecular Formula

Molecular Formula. Review Empirical Formula. 39.7% carbon, 1.7% hydrogen, 58.7% chlorine. Things to Remember. Final step Subscripts Below .2 round to whole # .25 .33 .5 .66 .75 Above .8 round up. Molecular Formula. What you need to have: Empirical formula or the means to find it

286 views • 5 slides

Honors Chem Ch 6 Pg 165 Bonding

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