Gallium forms a vapor phase compound analogous to diborane, Ga2H6 but aluminum forms a solid polymeric...
Gallium forms a vapor phase compound analogous to diborane, Ga2H6 but aluminum forms a solid polymeric hydride [AlH3]x, why is this difference not surprising?
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Gallium forms a vapor phase compound analogous to diborane,
Ga2H6 but aluminum forms a solid polymeric...
X is known to exist at 1 atm in the solid, liquid, or vapor phase, depending...
X is known to exist at 1 atm in the solid, liquid, or vapor phase, depending on the temperature. Additionally, the values of these other properties of Substance X have been determined: boiling point 35. melting point enthalpy of fusion6.00 kJ/mol enthalpy of vaporization 34.00 kJ/mol 46. J-K mol (solid) 73. JK mol (vapor 2.80 g/em (solid) 2.40 g/mL (liquid density heat capacity61.JKmol Ciquid) You may also assume X behaves as an ideal gas in the vapor phase. Suppose a...
Substance X is known to exist at 1atm in the solid, liquid, or vapor phase, depending...
Substance X is known to exist at 1atm in the solid, liquid, or vapor phase, depending on the temperature. Additionally, the values of these other properties of Xhave been determined.: melting point 15.°C enthalpy of fusion 8.00/kJmol density 2.00/gcm3 (solid) 1.60/gmL (liquid) boiling point 60.°C enthalpy of vaporization 31.00/kJmol heat capacity 36.·J·K−1mol−1 (solid) 29.·J·K−1mol−1 (liquid) 55.·J·K−1mol−1 (vapor) You may also assume X behaves as an ideal gas in the vapor phase. Suppose a small sample of X at −20°C is...
Decide what kind of crystalline solid each element or compound in the table forms, and what kind of force holds the sol...
Decide what kind of crystalline solid each element or compound in the table forms, and what kind of force holds the solid together. Then, rank the solids in order of decreasing melting point. That is, select "1" next to the solid with the highest melting point, "2" next to the solid with the next highest melting point, and so on. (You may need to use the scrollbar to see all the choices.) element or type of solid formed force holding...
2. Why are cold solvents preferred during recrystallization (2 points). The solid compound "X" has two...
2. Why are cold solvents preferred during recrystallization (2 points). The solid compound "X" has two components (A and B). After heating the solid powder (X), one component (A) is left and the other (B) evaporated directly. Comment on the nature of A and B and name the process of phase change that resulted in evaporation of B (2 points).
The top of the separation scheme shows what other compound is mixed with your molecule(the one on the left). Assume for...
The top of the separation scheme shows what other compound is
mixed with your molecule(the one on the left). Assume for the
purposes of this assignment that both compounds are solid at room
temperature. Assume that both compounds are soluble in ether,
except ionic compounds. The goal of the separation is the isolate
each of the two compounds from the mixture.
o Below the incorrect separation scheme write a discussion of
this incorrect scheme identifying all of the mistakes in...
Experiment 8 Double Replacement Reactions Background: Some reactions have the net effect of causing the cation...
Experiment 8 Double Replacement Reactions Background: Some reactions have the net effect of causing the cation of each reactant to trade places, forming a compound with the other anion. These reactions are known as double replacement reactions. In the example below (unbalanced equation), the barium and sodium cations switch places so that barium forms a product with sulfate while sodium forms a product with chloride. Note that the formula of each product is determined by the charges of the ions,...
X is known to exist at 1 atm in the solid, liquid, or vapor phase, depending on the temperature. Additionally, the values of these other properties of Substance X have been determined: boiling point 35. melting point enthalpy of fusion6.00 kJ/mol enthalpy of vaporization 34.00 kJ/mol 46. J-K mol (solid) 73. JK mol (vapor 2.80 g/em (solid) 2.40 g/mL (liquid density heat capacity61.JKmol Ciquid) You may also assume X behaves as an ideal gas in the vapor phase. Suppose a...
Decide what kind of crystalline solid each element or compound in the table forms, and what kind of force holds the solid together. Then, rank the solids in order of decreasing melting point. That is, select "1" next to the solid with the highest melting point, "2" next to the solid with the next highest melting point, and so on. (You may need to use the scrollbar to see all the choices.) element or type of solid formed force holding...
2. Why are cold solvents preferred during recrystallization (2 points). The solid compound "X" has two components (A and B). After heating the solid powder (X), one component (A) is left and the other (B) evaporated directly. Comment on the nature of A and B and name the process of phase change that resulted in evaporation of B (2 points).
The top of the separation scheme shows what other compound is
mixed with your molecule(the one on the left). Assume for the
purposes of this assignment that both compounds are solid at room
temperature. Assume that both compounds are soluble in ether,
except ionic compounds. The goal of the separation is the isolate
each of the two compounds from the mixture.
o Below the incorrect separation scheme write a discussion of
this incorrect scheme identifying all of the mistakes in...
Experiment 8 Double Replacement Reactions Background: Some reactions have the net effect of causing the cation of each reactant to trade places, forming a compound with the other anion. These reactions are known as double replacement reactions. In the example below (unbalanced equation), the barium and sodium cations switch places so that barium forms a product with sulfate while sodium forms a product with chloride. Note that the formula of each product is determined by the charges of the ions,...
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