chemistry
posted by CHRIS .
Free energies of formation are
a. always positive
b. always negative
c. never zero
d. measured at 298K
e. more than one response above is correct
help thinkin a though

No. a is not correct.
dGoformation can be positive (but not always), can be negative (but not always), can be zero and THEY ARE MEASURED AT 298K.
Respond to this Question
Similar Questions

Chemistry
For each: Always true /sometimes true/never true. 1) the joule is the SI unit of force 2)the standard heat of formation for a substance is determined at 100 degrees C 3)all free elements in their standard states have a heat of formation … 
Chemistry
For each: Always true /sometimes true/never true. 1) the joule is the SI unit of force 2)the standard heat of formation for a substance is determined at 100 degrees C 3)all free elements in their standard states have a heat of formation … 
algebra1
tell whether each statement is sometimes, always, or never. 1) the value of the expression 2 + n is less than value of n. answer always. 2) when b is positive, the expression b + (b) is equal to 0. answer always. 3) when x is negative, … 
Statistics
The algebraic sum of the derivations of a frequency distribution from its mean is i) Always positive ii) Always negative iii) Zero iv) A non zero number 
Math 7 Help!
1. negative integer is less than positive integer somtimes, always or never My answer/think: sometimes 2. A negative integer is less than another negative integer somtimes, always or never My answer/think: sometimes 3. Absolute value … 
Chemistry(Please check)
1) Free energies of formation are a. always positive b. always negative c. never zero d. measured at 298K e. more than one response above is correct I think that free energies can be negative or postive so the answer cannot be e. I … 
7th grade math
Which of these statements is true when you add a positive, nonzero integer and a negative, nonzero integer? 
college physics
What work is done by a friction force acting on an object? 
physics
What work is done by a friction force acting on an object? 
Math plz check if correct
In multiplication, if one term is negative and one term is positive, the result will always be ______. A. equal to zero B. negative C. inverted D. positive my answer is A