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Problem- Draw the structure of the simple dipeptides gly-ala and ala-gly. Circle the peptide bond in each structure.
You must show your work in an efficient manner so I can understand it in clearly
A 28.7 g sample of ethylene glycol, a car radiator coolant, loses 652 J of heat. What was the initial temperature of ethylene glycol if the final temperature is 32.5°C (c of ethylene glycol = 2.42 J/gK)
calculate the final pressure of a sample of carbon dioxide gamma1.40 that udergoes a reversible and adiabatic expansion
A balloon with the volume 40.0cm^3 contains helium gas at STP. What is the number of helium atoms in the balloon
How many grams of CO2 can be produced by the reaction of 35.5 grams of C2H2 and 45.9 grams of O2? Please help with the balancing the equation
How many grams of CaH2 (Molar Mass = 42.1 g/mol)are needed to generate 14.0 L of H2 gas if the pressure of H2 is 757 torr at 20.0°C
3-di-t-butylcyclohexane exists in two forms that are known as the chair and boat conformations. at 580k 6.42 of the
Question- Co-60 has a half-life of 5.26 years. How many mg remain after 1.23 years, if your original sample is 18.4 mg
A sample of gas (24.2 g) initially at 4.00 bar was compressed from 8.00 L to 2.00 L at constant temperature. After the compression, the gas pressure was ________ bar.
an impure sample of potassium hydrogen phthalate khp having a mass of 84.02 g was dissolved in water. this acid sample
Calculate the molality of a solution that is prepared by mixing 25.5 Ml of CH3OH (d=0.792 g/ml ) and 387 mL of CH3CH2CH2OH ( d=0.811g/mL
How many grams of barium sulfate are produced if 25.34 mL of 0.113 M BaCl2 completely react given the reaction.
what is the relative error in the determination of a density for which the accepted value is 0.945 g*cm^-3 and the experimental value
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