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Which of the following processes releases energy to be used by a cell?
a phosphate group is added to ATP to form ADP.
a phosphate group is removed from ADP to form ATP.
a phosphate group is added to ADP to form ATP.
a phosphate group is removed from ATP to form ADP
A mixture of ethyl iodide (C2H5I, bp 72.3 degree Centigrade) and water boils at 63.7 degree centigrade. What weight of ehtyl iodide would be carried over by 1gm of steam during steam distillation
Calculate the pH of hydroxylamine at the equivalence point for titrating 0.250 M solutions of each of the following bases with 0.250 M HBr
If you had an excess chlorine, how many moles of aluminum chloride could be produced from 27.0g og aluminum?
Write a balanced chemical equation depicting the formation of one mole of CaCO3 from its elements in their standard states
Which of these is a stronger acid from greatest to least. I know that CH3COOH, HF, and H3PO4 are weak acids and HI and H2So4 are strong acids.
If replacing magnesium with an equal weight of sodium, how would the enthalpy of the reaction changed?
Anhydrous CaCl2 has a molecular weight of 110.1 g/mol. A hydrate of CaCl2 has a molecular weight of 219.1 g/mol. What is the formula of the hydrate
An analyst is to determine the molarity of a NaOH solution. Three aliquots of standard KHP are weighed out 0.3078g, 0.4967g, and 0.3821g
In a butane lighter, 9.8 of butane combines with 35.1 of oxygen to form 29.6 carbon dioxide and how many grams of water.
Gold can be hammered into extremely thin sheets called gold leaf. If a 197-mg piece of gold (density = 19.32 g/cm3) is hammered into a sheet measuring 2.4 ft multiplied by 1.0 ft, what is the average thickness of the sheet in meters
A mixture of lipids is applied to a silica gel column, and the column is then washed with increasingly polar solvents. The mixture consists of phosphatidylserine, phosphatidylethanolamine, phosphatidylcholine, cholesteryl palmitate
56.0 mL of a 1.20 M solution is diluted to a volume of 248 mL. A 124-mL portion of that solution is diluted using 157 mL of water. What is the final concentration?
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