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Science 10 (Semester 2) [5 cr] (2024-25) - Vista Virtual School - 1610

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In the equation below, 46 grams of sodium (Na) reacts with 36 grams of water (H2O).

2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g)

If 2 grams of hydrogen gas (H2) is produced by this reaction, what is the mass of sodium hydroxide (NaOH) produced?

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Determine the molar mass of chromium(III) chlorate, Cr(ClO3)3 using the values from the VVS data booklet.  Please include your answer with proper units only.  Do not show your work.  If you think you may have been autograded incorrectly, please contact the lead teacher.

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Determine the molar mass of magnesium bromide, MgBr2 using the values from the VVS data booklet.  Please include your answer with proper units only.  Do not show your work.   If you think you may have been autograded incorrectly, please contact the lead teacher.

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Write a balanced chemical reaction equation for when aqueous lithium sulfate reacts with aqueous calcium iodide.  Remember to include states of matter.

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Predict the products and then write a word equation for when aqueous lithium sulfate reacts with aqueous calcium iodide.  Do not use ANY symbols in your response and do not forget the states of matter

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Write a balanced chemical reaction equation for when aqueous magnesium chloride reacts with liquid bromine.  Remember to include states of matter.

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Predict the products and then write a word equation for when aqueous magnesium chloride reacts with liquid bromine.  Do not use ANY symbols in your response and do not forget the states of matter.

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   __?___ CaCl2(aq) + __?___ KOH(aq) rightwards arrow__?___ Ca(OH)2(S) + __?___ KCl(aq)

The lowest whole number coefficients to balance the equation above would be ____, ____, ____, and ____.  

Please answer as a 4 digit number and do not use commas or spaces.  If there is only one mole of a compound/element, please use a 1 instead of a zero.

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  __?___ TiCl4(aq) + ___?__ H2O(l) rightwards arrow__?___ TiO2(S) + ___?__ HCl(aq)

The lowest whole number coefficients to balance the equation above would be ____, ____, ____, and ____.  

Please answer as a 4 digit number and do not use commas or spaces.  If there is only one mole of a compound/element, please use a 1 instead of a zero.

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   __?___ C2H4(g) + __?___ O2(g) rightwards arrow__?___ CO2(g) + __?___ H2O(g)

The lowest whole number coefficients to balance the equation above would be ____, ____, ____, and ____.  

Please answer as a 4 digit number and do not use commas or spaces.  If there is only one mole of a compound/element, please use a 1 instead of a zero.

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