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Which atom/ion below could have the following electron confi…

Which atom/ion below could have the following electron configuration:  1s2 2s2 2p6?

Published August 24, 2024
Categorized as Uncategorized

Pentane (C5H12) is burned in oxygen.  What type of reaction…

Pentane (C5H12) is burned in oxygen.  What type of reaction is this?

Published August 24, 2024
Categorized as Uncategorized

What type of reaction is the following: Na2O  +  H2O  –>  2…

What type of reaction is the following: Na2O  +  H2O  –>  2 NaOH

Published August 24, 2024
Categorized as Uncategorized

Please type in the proper name for the following molecule: …

Please type in the proper name for the following molecule:  TiCl4

Published August 24, 2024
Categorized as Uncategorized

What is the missing substance in the following equation: Pb(…

What is the missing substance in the following equation: Pb(NO3)2(aq)   +  AlCl3(aq)  –>  _______  +  Al(NO3)3

Published August 24, 2024
Categorized as Uncategorized

The temperature of a 2.0 L sample of helium gas at STP is in…

The temperature of a 2.0 L sample of helium gas at STP is increased to 27 degrees Celsius, and the pressure is decreased to 80 kPa.  What is the new volume of the helium sample?

Published August 24, 2024
Categorized as Uncategorized

Given the following reaction: 2 SO2(g)  +  O2(g)    2 SO3(g)…

Given the following reaction: 2 SO2(g)  +  O2(g)    2 SO3(g) + heat When would this reaction be spontaneous (thermodynamically favorable)?

Published August 24, 2024
Categorized as Uncategorized

pH = 3.  What is the [OH-] concentration?

pH = 3.  What is the [OH-] concentration?

Published August 24, 2024
Categorized as Uncategorized

Given the following reaction: Ca  +  2 H2O  –>  Ca(OH)2  +…

Given the following reaction: Ca  +  2 H2O  –>  Ca(OH)2  +  H2 How many moles of water are needed to react completely with 120 grams of Ca?

Published August 24, 2024
Categorized as Uncategorized

Given the following equation: 3 H2(g)  +  N2(g)    2 NH3(g)…

Given the following equation: 3 H2(g)  +  N2(g)    2 NH3(g)  +  heat

Published August 24, 2024
Categorized as Uncategorized

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