Diborane, BHs, is a valuable compound in the synthesis of new organic compounds.One of several ways this boron compound can be made is by the reaction 2 NABH (s) + I2(s) → B2HG(9) + 2NAI(s) + H2(g) Suppose you use 1.175 g of NABH, with an excess of iodine and obtain 0.295 g of B,Hs. What is the percent yield of BHg?
Diborane, BHs, is a valuable compound in the synthesis of new organic compounds.One of several ways this boron compound can be made is by the reaction 2 NABH (s) + I2(s) → B2HG(9) + 2NAI(s) + H2(g) Suppose you use 1.175 g of NABH, with an excess of iodine and obtain 0.295 g of B,Hs. What is the percent yield of BHg?
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Chapter1: Chemical Foundations
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Disulfur dichloride, S,Cl,, is used to vulcanize rubber. It can be made by treating molten sulfur with gaseous chlorine:
S8() + 4 Cl2(g) → 4 S2C1,()
Starting with a mixture of 35.0 g of sulfur and 81.0 g of Cl, which is the limiting reactant?
O Sa
O Cl2
What mass of S Cl, (in grams) can be produced?
What mass of the excess reactant remains when the limiting reactant is consumed?
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KT4 4.029.
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Diborane, BH6, is a valuable compound in the synthesis of new organic compounds.One of several ways this boron compound can be made is by the reaction
2 NABH4(s) + I2(s) → B2H6(9) + 2NAI(s) + H2(g)
Suppose you use 1.175 g of NABH4 with an excess of iodine and obtain 0.295 g of B,Hs. What is the percent yield of BHg?
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Transcribed Image Text:The reaction of methane and water is one way to prepare hydrogen.
CH4(g) + H20(g) → CO(g) + 3 H2(g)
If
you begin with 995 g of CHA and 2530 g of water, what is the maximum possible yield of H2?
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DETAILS
KT4 4.026.
Ammonia gas can be prepared by the reaction of a metal oxide such as calcium oxide with ammonium chloride.
Cao(S) + 2 NH4CI(s)
→ 2 NH3(g) + H20(g) + CaCl,(s)
If 131 g of Cao and 249 g of NH Cl are mixed, what is the maximum possible yield of NH3?
What mass of the excess reactant remains after the maximum amount of ammonia has been formed?
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