Friday
December 6, 2013

# Posts by lin

Total # Posts: 105

Physics
Physics question on identify the reaction? I am having trouble with the question a, b, and c in this physics problem: One or more external forces are exerted on each object enclosed in a dashed box shown in the figure below. Identify the reaction to each of these forces. (Assu...

algebra
on three consecutive passes a football team gains 7 yards, loses 22 yards, and gains 33 yards, what number represents total yardage?

math
log

calculus
Find the dimensions of a right circular cone, that holds one liter and is made with a minimum amount of sheet metal. It is open on the top.

Physics
If given the ratio of temperatures in Celsius to Kelvin for Gold to silver as 1.10614 to 1.08265. How can I find the temperatures of each individual element form just this information?

Chemistery
How much heat is contained in 4 liter of liquid methanol (CH2OH) when it is completely combusted (excess oxygen) to form carbon dioxide and water. the density of metanol is 0.7918 g/ml.

math
x 0 0.2 0.4 0.6 0.8 1 1.2 f(x) -2 4.16 4.32 4.48 4.64 7.8 7.96 estimate of f′′(0.6).

math
The population of bacteria in one cubic centimeter of the blood of a sick person has been modeled by the function P(t) = 115 t(0.88^t) where t is the time, in days, since the person became ill. Estimate how fast the population is changing 14 days after the onset of the illness...

Chemistry
Thank you so much. That makes more sense. I had in 85, not 15.

Chemistry
A reaction is first order and it takes 324 minutes for the reaction to be 50.0% complete. How long will it take for the reaction to be 85.0% complete at the same temperature? 2. N2O5 decomposes to N2O4 and O2 and the reaction is first order in N2O5 with a specific rate constan...

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