Wednesday
June 19, 2013

Posts by Sara


Total # Posts: 3305

Health
I have to create a nursing case study. I have everything I need, but am not sure how to present it. Details: 67 year old causcasain male diagnosed with emphysema returns with shortness of breath, etc. supposedly associated with CHF. Have to have everything including ABCD Asses...

Chemistry
A steel tank at 300 K contains 0.285 L of gas at 1.92 atm pressure. The tank is capable of withstanding a maximum pressure of 5.76 atm. Assuming that doubling the kelvin temperature causes the internal pressure to double, a. at what temperature will the tank burst? b. will it ...

Chemistry
A steel tank at 300 K contains 0.285 L of gas at 1.92 atm pressure. The tank is capable of withstanding a maximum pressure of 5.76 atm. Assuming that doubling the kelvin temperature causes the internal pressure to double, a. at what temperature will the tank burst? b. will it ...

Chemistry
I'm supposed to compare the percent composition of gases in the atmosphere at sea level to the percent composition at high altitude.. Would the percents decrease? I don't really understand

Chemistry
explain why a sealed bag of potato chips "puffs out" (increases in volume) if taken from sea level to a high mountain pass. I know this has to do with pressure.. so is it because the higher up you go, the less pressure there is? Thanks!

bio
The most common protein secondary structures (the alpha helix and beta conformation) are stabilized primarily by A. ionic bonds B. hydrogen bonds C. disulfide bonds D. van der Waals interactions E. hydrophobic interactions

integrated math
Suppose a laboratory has a 26 g sample of polonium-210. The half-life of polonium-210 is about 138 days.?

Chemistry
Just having some trouble with this chemistry problem.. Thanks for help! Toxic carbon monoxide (CO) gas is produced when fossil fuels such as petroleum burn without enough oxygen. The CO can eventually be converted to CO2 in the atmosphere. Automobile catalytic converters are d...

Chemistry
What volume would be occupied at 0°C and 1 atm by 3 mol CO₂(g)? I just might need someone to help me work this out, I would greatly appreciate it! I don't understand this chemistry problem.

Physics
i think d

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