Shared Flashcard Set

Details

Chemistry Chapter 5
WOOT
10
Chemistry
11th Grade
12/13/2010

Additional Chemistry Flashcards

 


 

Cards

Term
How much energy is required to increase the temperature of 2.0 g of aluminum from 25 to 30 degrees Celsius? (AL specific heat = .90 J/g*K)
Definition
9 J
Term
When change of heat is negative the reaction is...
Definition
exothermic.
Term
Calculate the change in heat of this reaction:
50.0 cm^3 of a .500 mol/dm^3 solution of KOH mixed rapidly with
50.0 cm^3 of a .500 mol/dm^3 solution of HCl
Initial Temperature = 19.6 degrees
Final Temperature = 23.1 degrees
Definition
J = -m * C * change in temp/concentration
-100*4.184*(3.5/(.50*.50/10))
Enthalpy ( in Kj) ==> -59
Term
Consider the specific heat capacity of the following metals X-1, Y-2, Z-3, A-4, which will show the greatest temperature increase under the same conditions?
Definition
X
Term
If you have two concentrations, you _____ the concentrations to find the total concentration.
Definition
multiply
Term
What is the enthalpy equation using concentration?
Definition
-C * change in Temp/ concentration
Term
Combustion and Neutralization are ________ processes.
Definition
exothermic
Term
What is the enthalpy of formation for C2?
Definition
0 J
Term
Bond breaking is ________ and bond making is ________
Definition
endothermic.... exothermic
Term
What are the standard conditions for enthalpy change?
Definition
temperature: 25 degrees Celsius
Pressure: 1 atm
Concentration: 1 mol/dm^3
All substances in standard states
Supporting users have an ad free experience!