8377.5 kJ released (H = -8377.5 kJ)
the right
ionic solids dissolved in water
will not
1g zinc powder b/c more surface area
activation energy
equal, constant
less moles of gas
saturated
increase, decrease
spatial orientation
disorder/randomness/chaos
273 K
alternate/new
increase
lowering
endothermic
endothermic
feels cold, temperature decreases
increase
activated complex
endothermic
decrease
heat of reaction
gas to liquid to solid
The difference between the potential energy of the products and the reactants is called
Name a phase change that would be a decrease in entropy.
How would the dissolving of NaCl feel? What would happen to the temperature?
Which particle is at the top of the hill
Adding a catalyst speeds up a reaction by ______________ the activation energy.
What will react faster: ionic solids dissolved in water or covalent solids dissolved in water?
Is the decomposition of Al2O3 exo or endothermic?
Sublimation would be a(n) ____________ in entropy.
For a collision to be effective, the molecules must hit with enough energy and ________________________.
A decrease in temperature would _______________ the rate of a reaction.
When the equation for forming C2H6 is re-written, which side would the heat be included on?
Does entropy increase or decrease in the following reaction? C3H8(g) + 5O2(g) --> 3CO2(g) + 4H2O(g)
The amount of energy to get from the reactants to the activated complex
When pressure is increased on a chemical reaction at equilibrium, the reaction shifts to the side with _______________________.
Define entropy.
A ___________________ solution is at equilibrium.
When a catalyst is added it provides a(n) _______________ pathway for the reaction to occur.
Is the formation of C2H2 exo or endothermic?
How many kJ of heat are released when 10 moles of Al react with oxygen to form Al2O3?
There is phase equilibrium for H2O(s) <--> H2O(l) at what temperature in K?
Which reacts faster with 1.0 M HCl: 1g chunk of zinc or 1g of zinc powder and why?
Adding a catalyst (will/will not) shift equilibrium.
If the products have more energy than the reactants, the reaction is: exo or endo?
At equilibrium, rates of the forward and reverse reactions are _______________ and the concentrations of reactants and products are ______________.
For a reaction to always be spontaneous, the entropy must _____________ and the energy must ______________.
