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Draw the structure of a DNA nucleotide represented by the abbreviation "C." Do not include formal charges on the phosphate group.Draw the molecule by placing atoms on the grid and connecting them with bonds. You do not need to show hydrogen atoms connected to carbon atoms.
A graduated cylinder contains 152 mL of water. A 14.0 g piece of iron (density = 7.86 rm{g/cm^3}) and a 16.0 g piece of lead are added. What is the new water level in the cylinder?
if the freezing point of a .106 m CH3COOH solution is -.284 degrees celsius, calculate the percent of the acid that has undergone ionization.
Calcium carbonate reacts with hydrochloric acid to forma a salt, carbon dioxide and water. Write the balanced equation and determine how many grams of salt will be produced of 50g of calcium carbonate was used?
Make the best match for each efficiency advantage to one mechanism for organizing enzymes in metabolic pathways. A. soluble enzymes in a lipid-enclosed volume
What is the concentration of the solution prepared by adding enough water to 4.00 mL of 3.25 M NaOH to make 20.00 mL total?
Determine the value of pH of given solutions that are (a) a solution that is 0.40 M CH3CO2H, (b) a 0.40 M CH3CO2H solution, (c) 0.20 M NaCH3CO2. And explain your answer too?
Salicylic acid, used in the synthesis of aspirin, has mass composition 60.87% C, 4.38% H, and 34.75% O. What is the empirical formula of the compound.
Briefly explain why hydrogen atoms in methane are all in equivalent positions? B. Briefly explain why there are no structural isomers of propane (c3h8)
how many moles of magnesium oxide are produces by the reaction of 3.82g of magnesium nitride with 7.73g of water? how many grams of excess reactant is left over?
what is the heat flow of hot water added to cold water? What is the heat flow of the cold water? hot water was 52.5 C the cold water was 21.7 C the final temperature was mass of cold water was 49.35g
The temperature of a sample of water increases by 6.5 degrees Celsius when 8.5 kilo Joules are applied. The specific heat of liquid water is 4.18 Joules per gram x degrees Celcius. What is the mass of the sample of water?
Calculate the Calorimeter Constant if 25 g of water at 50 C was added to 25 g of water at 25C with a resulting temperature of 35 C?
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