AP European History
Thank you so much! This helped me immensely.
chemistry
what is the length of an equilateral triangle when the area is 45 meters square?
Chemistry
Is it b)?
Chemistry
All amino acids (choose the correct choice) a) have the same side chains b) form zwitterions c) have the same isoelectric points d) show hydrophobic tendencies e) are essential amino acids
Cell Biology
What do the two steps of transcription followed by translation do?
Math- help finishing
A right triangle has an area of 84 ftand a hypotenuse 25 ft long. What are the lengths of its two sides? Ive gotten this far: 25^2= a^2+b^2 a=25-b 84= ab/2 168= 25b-b^2 b^2-25b+168=0 I then use the quad. formlua to solve for b... but I get an error. Can someone help me?
Chem
Please tell me if these are right? A mixture of oxygen and helium is prepared for a scuba diver that will descend to 125 feet below the ocean surface. At that depth the diver breathes a gas mixture that has a total pressure of 8atm. If the particle pressure of the oxygen in th...
Chem
A sample of nitrogen (N2) gas has a volume of 250ml at 30 degrees C and a pressure of 745mmHg. What is the volume of the nitrogen at STP? I got 22 liters in significant figures is this right. thank you.
Chemistry
Which compound has the formula HC(=O)-O-CH2-CH3?
Chemistry
Thanks a lot, J!
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