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Photosynthesis in plants converts carbon dioxide and water into glucose and oxygen according to the equation below.
6CO2(g) + 6H2O(l) → C6H12O6(s) + 6O2(g)
Substance
CO2
H2O(l)
C6H12O6(s)
O2(g)
∆H (kJ/mol)
-393.5
-285.8
-1273.3
S° (J/mol ∙ K)
213.6
69.9
209.2
205.0
Instruction: Calculate the ∆H°, ∆S°, and ∆G°. Is the reaction spontaneous at standard condition?
A particle travels so that its acceleration is given by a with rightwards harpoon with barb upwards on top equals 2 e to the power of negative 2 t end exponent space i with hat on top minus 3 cos t space j with hat on top space plus sin 2 t space k with hat on top
calculate the mole fraction of the solute in the following solutions:
a. 100 g C2H6O in 100 g H2O
b. 30% HCl solution by mass
if the partial pressures are oxygen 420 torr and helium 85 torr what is the partial pressure (torr) of the nitrogen in the mixture
Three cars arrive simultaneously at a four way stop and all want to proceed straight through the intersection. How many ways are there for this to happen if they proceed on at a time. Show a diagram with your explanation.
A student taking up Statistics is analyzing the scores in Mathematics of the students in Grade 8 - Turquoise. He wants to know whether the mean score of the 25 students in 8-Turquoise is better or not than the mean score of all the students taking up Grade 8 Math in the entire school. The mean score of all the students taking up Grade 8 Math is 89. The mean and standard deviation of the scores of the students in 8 - Turquoise is 95 and 15, respectively. Assume a 95% confidence level and that the scores of all the students in Grade 8 Math follow a normal distribution.
Supposed 25 respondents were selected from a normal population with a mean of 12.5.
If the sample has a mean of 15.4 and standard deviation of 3, what percentile does the
sample mean represent?
Jon for the
The blood groups of 200 people are distributed as follows: 40 have type A blood, 75 have type B blood, 60 have type O blood, and 25 have type AB blood. If a person from any of the group is selected at random, what is the probability that this person has an O blood type? How about the AB blood type?
Determine whether each of these functions from Z to Z is one-to-one.
a) f(x) = x−2
b) f(x) = x2 −1
c) f(x) = x3
13.2 grams of NaC2H3O2 are added to 1.00 L of a .100 M solution of acetic acid to form an acid buffer. Ka for acetic acid is 1.8e-5. What is the pH of the solution?
