STP refers to:
Question
Updated 215 days ago|8/17/2018 9:54:58 AM
This conversation has been flagged as incorrect.
Deleted by jeifunk [8/17/2018 9:54:57 AM], Undeleted by jeifunk [8/17/2018 9:54:58 AM]
Original conversation
User: STP refers to:

Weegy: Standard pressure is equal to 1 atm 760 mmhg or torr and 101.3 KPa.
gmiller9026|Points 107|

User: Calculate the enthalpy change, H in kJ, for the reaction H2O(s) H2(g) + 1/2O2(g)

Weegy: Reverse the first equation and make sure to reverse the sign of H value too. H2O (l) on both reactant and product side will get cancels out. [ H2O (l) - - -> H2 (g) + 1/2 O2 (g) H= + 285.9 kJ H2O (s) - > H2O (l) H = + 6.0 kJ - - - - - - - - - - - - - - - - - - - H2O(s) H2(g) + 1/2O2(g) H = 291.9 kJ ]
kristii|Points 379|

User: How many calories are required to raise the temperature of 75.0 g of water from 20°C to 50°C?

Question
Updated 215 days ago|8/17/2018 9:54:58 AM
This conversation has been flagged as incorrect.
Deleted by jeifunk [8/17/2018 9:54:57 AM], Undeleted by jeifunk [8/17/2018 9:54:58 AM]
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STP refers to Standard temperature is defined as zero degrees Celsius (0 0C), which translates to 32 degrees Fahrenheit (32 0F) or 273.1
Added 215 days ago|8/17/2018 9:54:55 AM

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