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Author Archives: Anonymous

Chlorine was passed over 1.06 g of heated titanium, and 3.40…

Chlorine was passed over 1.06 g of heated titanium, and 3.40 g of a chloride-containing compound of titanium was obtained. What is the empirical formula of the obtained compound?

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According to the textbook, ________ is the most commonly use…

According to the textbook, ________ is the most commonly used cable medium.

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You sell popcorn in downtown Chicago. It became so popular t…

You sell popcorn in downtown Chicago. It became so popular that you started a website so people all over the country can get your popcorn delivered to their doorstep. This is an example of a ________ business.

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The commercial production of phosphoric acid, H3PO4, can be…

The commercial production of phosphoric acid, H3PO4, can be represented by the equation 1500 g 298 g 302 g 1000 g 298 g   Ca3(PO4)2 + 3SiO2 + 5C + 5O2 + 3H2O → 3CaSiO3 + 5CO2 + 2H3PO4 310 g/mol 60.1 g/mol 12.0 g/mol 32.0 g/mol 18.0 g/mol   The molar mass for each reactant is shown below the reactant, and the mass of each reactant for this problem is given above. Which substance is the limiting reactant?

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Nitric oxide, NO, is made from the oxidation of NH3 as follo…

Nitric oxide, NO, is made from the oxidation of NH3 as follows: 4NH3 + 5O2 → 4NO + 6H2O If 9.0-g of NH3 gives 12.0 g of NO, what is the percent yield of NO?

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What is the likely future for coastal wetlands under rapid s…

What is the likely future for coastal wetlands under rapid sea level rise scenario?

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How can wetlands modify their environment to keep pace with…

How can wetlands modify their environment to keep pace with sea level rise?

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One step in the isolation of pure rhodium metal (Rh) is the…

One step in the isolation of pure rhodium metal (Rh) is the precipitation of rhodium(III) hydroxide from a solution containing rhodium(III) sulfate according to the following balanced chemical equation: Rh2(SO4)3(aq) + 6NaOH(aq)  →  2Rh(OH)3(s) + 3Na2SO4(aq) If 3.10 g of rhodium(III) sulfate reacts with excess sodium hydroxide, what mass of rhodium(III) hydroxide may be produced?

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Consider the fermentation reaction of glucose: C6H12O6 → 2C2…

Consider the fermentation reaction of glucose: C6H12O6 → 2C2H5OH + 2CO2 A 1.00-mol sample of C6H12O6 was placed in a vat with 100 g of yeast. If 38.5 g of C2H5OH was obtained, what was the percent yield of C2H5OH?

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A 5.95-g sample of AgNO3 is reacted with excess BaCl2 accord…

A 5.95-g sample of AgNO3 is reacted with excess BaCl2 according to the equation 2AgNO3(aq) + BaCl2(aq) → 2AgCl(s) + Ba(NO3)2(aq) to give 3.57 g of AgCl. What is the percent yield of AgCl?

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