Monthly Archives: January 2017

Warm Up – 1/31 – 2/1/17

85.25 g calcium hydroxide mixes with aqueous hydrochloric acid (HCl) to make aqueous calcium chloride and water. Write the balanced equation including states of matter. Determine the type of chemical reaction. Convert the mass of calcium hydroxide to moles.

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Warm Up – 1/25-26/17

A) Convert the following: 274.55 g sodium chloride to moles 3.88 x 1024 atoms iron to grams. B) Chromium metal reacts with oxygen gas to produce chromium(III) oxide.  Write the word equation, formula equation, and balance it.  

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Warm Up – 1/19-20/17

Convert the following: 42.86 g calcium to atoms 285.2 L of carbon dioxide gas to moles 2.05 moles copper(II) chloride to grams The mass of the empty crucible and lid was 28.25 g.  The mass of the crucible, lid, and … Continue reading

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Warm Up – 1/17-18/17

A Hydrate is a substance that has a water molecule added to it.  A Prefix is used to show how many molecules of water there are. Determine the Molar Mass of Copper(II) Sulfate Pentahydrate. Determine the percent by mass of … Continue reading

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Warm Up – 1/12-13/17

What is the formula mass of: Sodium Chloride Water Sodium Sulfite Copper(II) Sulfate What is the definition of Molar Mass? How many atoms are in 5.25 moles of sodium sulfite? How many moles are in 2.86 grams of copper(II) sulfate?

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Warm Up – 1/10-11/17

Happy New Year! What are 3 good class “rules” that we should all remember? List 4 things your Homework should contain? (Hint: your name is one!) Describe how to properly submit work using Google Classroom. Convert the following: 542 inches … Continue reading

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