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Calculate the pre-equilibrium concentration of Fe3+(aq) in a solution made by mixing 2.8 mL of 2.010?3 M Fe(NO3)3 and 7.2 mL of 2.010?3 M NaSCN. Assume the final volume is 10.0 mL.
Describe the role of the citric acid cycle as a central metabolic mechanism. Explain what happens to the cells' abilities to oxidize acetyl CoA when intermediates of the cycle are drained off for amino acid biosynthesis.
In a separate experiment, it was found that, for fixed temperature and pressure, a 0.100 L sample of this compound takes 1.73 times longer to effuse than does a 0.100 L sample of Ar(g). What is the molecular formula of the compound? For bonus mark..
linear polystyrene has phenyl groups that are attached to alternate not adjacent carbons of the polymer chain
A pt has a blood Ca level of 4.6 mEq/L If 1mol Ca2+= Eq Ca2+ what is the blood calcium levle in mg/dl
The CO 2 produced in one round of the citric acid cycle does not originate in the acetyl carbons that enter that round. Create a diagram of the TCA cycle to illustrate the answers to questions 1a and 1b.
An unknown carbohydrate compound has the empirical formula CH2O. A solution consisting of 0.515 g of the carbohydrate dissolved in 1.717 g of acetic acid freezes at 8.8°C
Use the molar volume of a gas at STP to calculate the density (in g/L ) of carbon monoxide gas at STP.
State whether the equilibrium partial pressure of NH3 increases, decreases or stays the same. (a) increasing the temperature; (b) transferring the equilibrium mixture to a larger reaction vessel; (c) adding a small amount of LiOH(s), which reacts ..
O2(g) + 4 HCl(g) → 2 H2O(l) + 2 Cl2(g) When 64.5 g of HCl are allowed to react with 17.6 g of O2, what is the theoretical yield of Cl2(g) in this reaction.
To prepare 100 mL of a 0.500 M solution of this hydrated form requires 0.0500 moles of this salt. Calculate the grams of this compound that equals 0.0500 moles, showing all your calculations.
If you use 25.0 mL of the 0.24M sodium hydroxide solution to titrate a 0.40 M solution, how many mL of HCl will be used
The high-field:low-field integration ration is 2:1. Deduce the structure of the organic hald and explain the NMR signals. I'm thinking it's 1,1-dichloropropane.
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