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Inorganic Chemistry
a. Imagine that there is a certain copper containing metalloprotein, abbreviated R, which contains two copper atoms per molecule of protein. The molar mass of R is 107,000 g/mol. What is the mass % of copper in the metalloprotein?
b. The concentration of R in blood is 15.5 g R/100 mL blood. What is its molar concentration?
c. R can bind O2(g) . If the O2(g) pressure is 0.16 atm at 37oC, what is the molar concentration of the O2(g)?
d. The two copper atoms in R have the ability to bind one molecule of O2 (Cu–O–O–Cu). If, at equilibrium, O2 is bound to 60% of the R, what is the equilibrium constant for the reaction
R + O2 ⇌ RO2 ?
e. Hemoglobin, abbreviated Hb, is the oxygen carrier protein in mammals. The equilibrium constant for the reaction of Hb with O2(g) under the same conditions, Hb + O2 ⇌ HbO2, is 225. What is the equilibrium constant for the reaction HbO2 + R ⇌ RO2 + Hb ?
b. The concentration of R in blood is 15.5 g R/100 mL blood. What is its molar concentration?
c. R can bind O2(g) . If the O2(g) pressure is 0.16 atm at 37oC, what is the molar concentration of the O2(g)?
d. The two copper atoms in R have the ability to bind one molecule of O2 (Cu–O–O–Cu). If, at equilibrium, O2 is bound to 60% of the R, what is the equilibrium constant for the reaction
R + O2 ⇌ RO2 ?
e. Hemoglobin, abbreviated Hb, is the oxygen carrier protein in mammals. The equilibrium constant for the reaction of Hb with O2(g) under the same conditions, Hb + O2 ⇌ HbO2, is 225. What is the equilibrium constant for the reaction HbO2 + R ⇌ RO2 + Hb ?
Inorganic Chemistry
4. a. Consider the data below for the reaction H2O(l) ⇌ H2O(g) .
Plot a graph and determine ΔH and ΔS for the reaction. Describe how they influence the
spontaneity of the reaction as a function of temperature.
T (°C) P (torr)
0.0 4.579
10.0 9.209
20.0 17.53
25.0 23.76
30.0 31.82
40.0 55.32
60.0 149.4
70.0 233.7
90.0 525.8
b. Explain how the boiling point temperature of H2O(l) (at sea level) can be accurately determined from the data in a.?
c. For the reaction in a., ΔE is less than ΔH. Explain.
Plot a graph and determine ΔH and ΔS for the reaction. Describe how they influence the
spontaneity of the reaction as a function of temperature.
T (°C) P (torr)
0.0 4.579
10.0 9.209
20.0 17.53
25.0 23.76
30.0 31.82
40.0 55.32
60.0 149.4
70.0 233.7
90.0 525.8
b. Explain how the boiling point temperature of H2O(l) (at sea level) can be accurately determined from the data in a.?
c. For the reaction in a., ΔE is less than ΔH. Explain.
Inorganic Chemistry
When the terminal phosphate is cleaved from the adenosine triphosphate molecule, the products are adenosine diphosphate and inorganic phosphate, ATP + H2O ––> ADP + Pi, where Pi stands for the various forms of phosphate that exist at the pH of the particular solution. If the total concentration of Pi is 2.5 x 10–2M, what are the concentrations of the predominant forms of phosphate that exist at pH 7.4?
Inorganic Chemistry
1. a. Imagine that there is a certain copper containing metalloprotein, abbreviated R, which contains two copper atoms per molecule of protein. The molar mass of R is 107,000 g/mol. What is the mass % of copper in the metalloprotein?
b. The concentration of R in blood is 15.5 g R/100 mL blood. What is its molar concentration?
c. R can bind O2(g) . If the O2(g) pressure is 0.16 atm at 37oC, what is the molar concentration of the O2(g)?
d. The two copper atoms in R have the ability to bind one molecule of O2 (Cu–O–O–Cu). If, at equilibrium, O2 is bound to 60% of the R, what is the equilibrium constant for the reaction
R + O2 ⇌ RO2 ?
e. Hemoglobin, abbreviated Hb, is the oxygen carrier protein in mammals. The equilibrium constant for the reaction of Hb with O2(g) under the same conditions, Hb + O2 ⇌ HbO2, is 225. What is the equilibrium constant for the reaction HbO2 + R ⇌ RO2 + Hb ?
b. The concentration of R in blood is 15.5 g R/100 mL blood. What is its molar concentration?
c. R can bind O2(g) . If the O2(g) pressure is 0.16 atm at 37oC, what is the molar concentration of the O2(g)?
d. The two copper atoms in R have the ability to bind one molecule of O2 (Cu–O–O–Cu). If, at equilibrium, O2 is bound to 60% of the R, what is the equilibrium constant for the reaction
R + O2 ⇌ RO2 ?
e. Hemoglobin, abbreviated Hb, is the oxygen carrier protein in mammals. The equilibrium constant for the reaction of Hb with O2(g) under the same conditions, Hb + O2 ⇌ HbO2, is 225. What is the equilibrium constant for the reaction HbO2 + R ⇌ RO2 + Hb ?
Inorganic Chemistry
What mass of aluminum is needed to react with 10.0 kg of chromium (III) oxide to produce chromium metal ?
Inorganic Chemistry
At certain conditions of temperature and pressure, 15% of nitrogen and hydrogen react to form ammonia. Calculate the mass of ammonia produced when 2.80 tonnes of nitrogen react with excess hydrogen under these conditions.
Inorganic Chemistry
electronic configuration of As
Inorganic Chemistry
A pure sample of barium hydroxide of mass 5.29 g was dissolved and diluted to the mark in a 250 mL volumetric flask. It was found that 13.4 mL of this solution was needed to reach the stoichiometric point in a titration of 23.4 mL of a nitric acid solution. Calculate the molarity of the HNO3 solution. Answer in units of M.
Inorganic Chemistry
empirical formula of a compound with 1.20% H, 42.00% Cl, and 56.80% O
Inorganic Chemistry
MnO2 + 4HCl → MnCl2 + Cl2 + 2H2O
If 39.1 grams of MnO2 reacts with 48.2 g of HCl, and 19.8 grams of Cl2 was collected, what is the percent yield?
If 39.1 grams of MnO2 reacts with 48.2 g of HCl, and 19.8 grams of Cl2 was collected, what is the percent yield?
