Calculate the standard enthalpy change for the reaction 2A + B 2C + 2D where the heats of formation are given in the following table: Substance A B C D Af Hᵒ (kJ mol-¹) - 225 -401 185 -519

Q: What is the mass of 1.29x10^24 particles of carbon tetrachloride ? round to 2 decimal places.

A: Given data  The number of particles of carbon tetrachloride is 1.29x1024. The mass of the sample is

Q: This is showing as an incorrect answer. Please help. Ty

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A: The given equation is 0.64(85.5x+16.0y) = 25(x+y)

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Q: What is the volume @ STP of 3.29x10^25 molecules of CO2?

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A: Given Reaction : 2CH4(g)+3Cl2g)⟶2CH3Cl(g)+2HCl(g)+2Cl-(g)

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Q: Ph ?? ?? ?? Ph `N OH Br Pro

A: Given that, We have to carry out the above transformation.

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Q: Please give explanation/drawings and explanations of each words: Quantitative Transfer…

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Q: What mass of calcium chloride dihydrate, CaCl2•2H2O is required to prepare 100.0 mL of a 0.211 M…

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Q: This is showing as incorrect. Please help.  Ty!

A: Given,Number of particles of carbon tetrachloride = 1.29 × 1024Required,                 The mass…

Q: Select the structure that is a constitutional isomer of the following CFC, with the molecular…

A: Here, we have to find the structure that is a constitutional isomer of CFC (C2Cl3F3).