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Briefly define why ATP is considered energy currency in all living cells. Explain the reasons in kinetic terms as well as thermodynamic terms.
A source water mineral analysis shows the following ion concentrations in the water: Ca2+ = 70 mg/L, Mg2 + = 40 mg/L, and HCO3- = 250 mg/L as CaCO3. Determine the water's carbonate hardness, noncarbonated hardness, and total hardness.
assume the pacific ocean has a surface area of 1.7 x 108 km2 and an average depth of 3900 m. calculate the volume of
A soft drink contains an unknown amount of citric acid, C3H5O(COOH)3. 10.0ml of the soft drink requires 6.42 ml of 9.580 x 10^-2 M NaOH to reach the equivalance point in the following reaction.
If the total number of electrons in a homonuclear diatomic molecule is 13, what is the overall bond order of the molecule
Nitric acid is a component of acid rain that forms when gaseous nitrogen dioxide pollutant reacts with gaseous oxygen and liquid water to form aqueous nitric acid.
In the titration of an impure sample of KHP, it was found that 30.6 mL of 0.100 M NaOH was required to react completely with 0.745 g of sample. What is the percentage of KHP in this sample
Explain what is the percent purity of a sample of impure H2C2O4• 2H2O (oxalic acid dehydrate, 126.07 g/mol) if 0.9157 grams of this material require a titration with 27.67mL of a potassium permanganate solution
To produce 856 g of ammonia gas utilizing air as your source of nitrogen gas, explain what volume of air is required if the air is introduced at 27°C and 760 mmHg. The mole fraction of nitrogen gas in air is 0.781
What does the structure of isopinocampheol (the product of a hydroboration-oxidation reaction of (1R)-(+)-alpha-Pinene) indicate about the mechanism of the reaction in terms of regioselectivity and stereoselectivity
What is the pH of a 0.30 M pyridine solution that has Kb=1.9x10^-9? the equation for the dissociation of pyridine is C5H5N5(aq)+H2O(l) >>> C5H5NH(aq)+OH-(aq).
DNA double helix has the sequence GATCGATTAC, what is the sequence of the other DNA strand?
Which of the following substances has a standard heat of formation of zero. A. pb @ 1000 degrees C B. C3H8 @ 25.0 C and 1 ATM pressure C.
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