Chemistry concepts and calculations

1. Calculate the value of Eo’ for Fe(CN)6 3-/4-. You used an Ag/AgCl reference e

1. Calculate the value of Eo’ for Fe(CN)6 3-/4-. You used an Ag/AgCl reference electrode with 3 M KCl. Correct the Eo’ value to that versus a standard hydrogen electrode. You will…

1. Calculate the value of [OH] from the given [H3O+] in each solution and label

1. Calculate the value of [OH] from the given [H3O+] in each solution and label the solution as acidic or basic: (a) [H3O+] = 4.0 × 10^11 M        (b) [H3O+] = 3.3 × 10^3 M. (a) _…

1. Calculate the value of the equilibrium constant for each of the following rea

1.     Calculate the value of the equilibrium constant for each of the following reactions in aqueous solution: a.     HC2H3O2 + OH-? C2H3O2- + H2O b.     C2H3O2- + H+? HC2H3O2 c.…

1. Calculate the volume (in mL) of 1.0 M H2SO4 stock solution which is needed to

1. Calculate the volume (in mL) of 1.0 M H2SO4 stock solution which is needed to prepare 150 mL of 0.20 M H2SO4 solution by dilution. 2a. Determine the total charge (in coulombs) …

1. Calculate the volume of 1.25 mol of nitrogen at 47 o C and 3.68 atm of pressu

1. Calculate the volume of 1.25 mol of nitrogen at 47 oC and 3.68 atm of pressure. 2. To make an isotonic solution for an IV, the molarity of NaCl in the IV must be the same as th…

1. Calculate the volume of 3.3 moles of gas with a pressure of 950 mmHg and temp

1. Calculate the volume of 3.3 moles of gas with a pressure of 950 mmHg and temperature of 25 °C. 5.4 L 0.02 L 11.8 L 64.6 L 2. What is the temperature of 5.2 moles of gas in a 40…

1. Calculate the weight of KCLO3 that would be required to produce29.52L of oxyg

1. Calculate the weight of KCLO3 that would be required to produce29.52L of oxygen measured at 127 degC and 1atm.2KCLO3(s)....heat>2KCL(s)+3O2(g) ... Answer is 73.5 grams,pleas…

1. Calculate the%yield of your free base product (end of step s7) and the yield

1. Calculate the%yield of your free base product (end of step s7) and the yield of your recrystallized product (end of step #11) Show your calculations. Adjust yourstanting materi…

1. Calculate values of K SP for the following salts using the information given:

1.     Calculate values of KSP for the following salts using the information given: a.     A sample of 4.8 x 10-5 mol of calcium oxalate (CaC2O4) dissolves in 1.0 L of water to pr…

1. Calculate values of K SP for the following salts using the information given:

1.     Calculate values of KSP for the following salts using the information given: a.     A sample of 4.8 x 10-5 mol of calcium oxalate (CaC2O4) dissolves in 1.0 L of water to pr…

1. Callister problem 4.6- Purpose: to learn the factors that control the solid s

1. Callister problem 4.6- Purpose: to learn the factors that control the solid solubility and to understand the effects of changing each factor. (Hume solid solubility) Rothery ru…

1. Callister problem 4.6- Purpose: to learn the factors that control the solid s

1. Callister problem 4.6- Purpose: to learn the factors that control the solid solubility and to understand the effects of changing each factor. (Hume solid solubility) Rothery ru…

1. Calulate the atomic mass of the following elements given this set of data k-3

1. Calulate the atomic mass of the following elements given this set of data k-39    92.36% k-40    1.01% k-41    6.73% 2. Calculate the atomic mass of X given the precise atomic …

1. Can every USB device and most of the chips in other hardware be reprogrammed

1. Can every USB device and most of the chips in other hardware be reprogrammed like it works with the Bad USB hack to inject malware into the operating system? 2. For example i g…

1. Can you find examples of items we purchase by mass, when wereally want a spec

1. Can you find examples of items we purchase by mass, when wereally want a specific number of them? (Note: Buying fruit or meatby the pound is not an appropriate example) 2. Give…

1. Carbon Dioxide gas bubbles from a reaction mixture of an acidand carbonate io

1. Carbon Dioxide gas bubbles from a reaction mixture of an acidand carbonate ion. Write the net ionic equation showing thereaction. 2. Sulfite salts have properties similar to th…

1. Carbon Dioxide in Pond Water Biological activity in a pond is reflected in th

1. Carbon Dioxide in Pond Water Biological activity in a pond is reflected in the rate at which carbon dioxide, CO2, is added to or withdrawn from the water. Plants take CO2 out o…

1. Carbon Monoxide gas reacts with diatomic hydrogen gas to form CH3OH gas at 29

1. Carbon Monoxide gas reacts with diatomic hydrogen gas to form CH3OH gas at 298K in a 1.00L container. a. Write a balanced chemical equation for this reaction. b. If 3.00g of H2…

1. Carbon monoxide, Co, has an intense infrared absorption due to the large valu

1. Carbon monoxide, Co, has an intense infrared absorption due to the large value of the dipole moment derivative, du/dRIR, , and the intensity of its IR absorption bands can be u…

1. Carbon monoxide, Co, has an intense infrared absorption due to the large valu

1. Carbon monoxide, Co, has an intense infrared absorption due to the large value of the dipole moment derivative, du/dRIR, , and the intensity of its IR absorption bands can be u…

1. Carbon tetrachloride CCl4, and dichloromethane CH2Cl2 both have tetrahedral m

1. Carbon tetrachloride CCl4, and dichloromethane CH2Cl2 both have tetrahedral molecular geometries. Which of these is polar and which is nonpolar? Explain. 2. Based on their mole…

1. Carbon tetrachloride has a vapor pressure of 213 torr at 40.°C and 915 torr a

1. Carbon tetrachloride has a vapor pressure of 213 torr at 40.°C and 915 torr at 83°C. What is the normal boiling point of CCl4? Boiling point = ___ C 2. Diethyl ether was one of…

1. Carbonated beverages get their effervescence from dissolved CO 2 gas. The bit

1. Carbonated beverages get their effervescence from dissolved CO2 gas. The bite comes from the acidic nature of the beverage resulting from the following reaction. 3. Aluminum hy…

1. Carbonyl fluoride, COF2, is an important intermediate used in the production

1. Carbonyl fluoride, COF2, is an important intermediate used in the production of fluorine-containing compounds. For instance, it is used to make the refrigerant carbon tetrafluo…

1. Carbonyl fluoride, COF2, is an important intermediate used in the production

1. Carbonyl fluoride, COF2, is an important intermediate used in the production of fluorine-containing compounds. For instance, it is used to make the refrigerant carbon tetrafluo…

1. Carbonyl fluoride, COF2, is an important intermediate used in the production

1. Carbonyl fluoride, COF2, is an important intermediate used in the production of fluorine-containing compounds. For instance, it is used to make the refrigerant carbon tetrafluo…

1. Carefully weigh out about 0.1 g of solid NaCl into a clean 250 mL beaker. Rec

1. Carefully weigh out about 0.1 g of solid NaCl into a clean 250 mL beaker. Record the exact mass you measured on your report form. 2. Add approximately 25 mL of distilled water …

1. Carefully weigh out about 0.1 g of solid NaCl into a clean 250 mL beaker. Rec

1. Carefully weigh out about 0.1 g of solid NaCl into a clean 250 mL beaker. Record the exact mass you measured on your report form. 2. Add approximately 25 mL of distilled water …

1. Carry out the following conversions: (a) 352 torr to kPa (b) 0.255 atm to mm

1. Carry out the following conversions: (a) 352 torr to kPa (b) 0.255 atm to mm Hg (c) 0.0382mm Hg to Pa 2 .Assume that you have a cylinder with a movable piston. What would happe…

1. Carry out the following conversions: (a) 352 torr to kPa (b) 0.255 atm to mm

1. Carry out the following conversions: (a) 352 torr to kPa (b) 0.255 atm to mm Hg (c) 0.0382mm Hg to Pa 2 .Assume that you have a cylinder with a movable piston. What would happe…

1. Cars can use electricity generated by hydrogen-oxygen fuel cells. Which half-

1. Cars can use electricity generated by hydrogen-oxygen fuel cells. Which half-reaction occurs at the cathode of the cell, which occurs at the anode? What is the net reaction of …

1. Change the if-else statement in to a switch statement. (10 points) // include

1. Change the if-else statement in to a switch statement. (10 points) // includes all necessary headers. // <iostream> for cin and cout. <iomanip> for setprecision(), …

1. Changing Gly to Ala in the primary structure of a protein will always lead to

1. Changing Gly to Ala in the primary structure of a protein will always lead to a change in the overall shape of a protein. a.) True b.) False 2. An alpha helix: a.) is stabilize…

1. Chapter 12 Question 1 - True/False Part A Intermolecular forces are the attra

1. Chapter 12 Question 1 - True/False Part A Intermolecular forces are the attractive forces between atoms within a compound. Intermolecular forces are the attractive forces betwe…

1. Check all of the following statements that are true: a. The value of q is alw

1. Check all of the following statements that are true: a. The value of q is always equal to the value of w for a reversible reaction b. The energy change of the universe for any …

1. Chemical Reaction Mathematicsg: Please provide complete correct detailed solu

1. Chemical Reaction Mathematicsg: Please provide complete correct detailed solution. Preferentially done by hand or on paper with graphs and calculation. Problem 1: Equilibrium C…

1. Chiral objects a) are cyclic compounds in the chair form b) are not superimpo

1. Chiral objects a) are cyclic compounds in the chair form b) are not superimposable on their mirror images c) never occur in nature d) do not form crystals 2. Stereoisomers are …

1. Chiral objects a) are cyclic compounds in the chair form b) are not superimpo

1. Chiral objects a) are cyclic compounds in the chair form b) are not superimposable on their mirror images c) never occur in nature d) do not form crystals 2. Stereoisomers are …

1. Chlorine has two isotopes, 35 Cl and 37 Cl. 37 Cl weighs 37.00 amu and 35 Cl

1. Chlorine has two isotopes, 35Cl and 37Cl. 37Cl weighs 37.00 amu and 35Cl weighs 35.00 amu. What is the percent abundance of 35Cl? The average atomic mass of Cl is 35.45 amu. 2.…

1. Chloroform, CHCl3, reacts with chlorine, Cl2, to form carbon tetrachloride, C

1. Chloroform, CHCl3, reacts with chlorine, Cl2, to form carbon tetrachloride, CCl4, and hydrogen chloride, HCl. In an experiment 25 grams of chloroform and 25 grams of chlorine w…

1. Choose correct answers (50 points in totai) the For electron in atoms, which

1. Choose correct answers (50 points in totai) the For electron in atoms, which set of these quantum numbers is allowed? (a) n- 3, 3, me 1, ms 1/2 (c) n 2, e- o, me 1, m. +'s (d) …

1. Choose one of the transition or inner transition metals from the periodic tab

1.      Choose one of the transition or inner transition metals from the periodic table. I choose the element cobalt. cobalamin (vitamin B12) 2.      Using your book (Chapter 23 m…

1. Choose the best specific example for the sequence: 1) RH + light + Br 2 --->

1. Choose the best specific example for the sequence: 1) RH + light + Br2 ---> 2) + KOH --->? ?a. 1-butene from butane?????? ?b. 2-methyl-2-proponal from 2-methylpropane ?c.…

1. Choose the statement below that is FALSE A. When K>1, the forward reaction is

1. Choose the statement below that is FALSE A. When K>1, the forward reaction is favored and essentially goes to completion. B. When K 1 implies that the reaction is very fast …

1. Chromatic aberration occurs when? a.a lens does not focus all colors of light

1. Chromatic aberration occurs when? a.a lens does not focus all colors of light to the same place. b.the Doppler shift causes a star to look redder or bluer than it really is. c.…

1. Chromic acid is a diprotic acid H 2 CrO 4 . A solution of potassium chromate

1. Chromic acid is a diprotic acid H2CrO4. A solution of potassium chromate is prepared at pH 5.97. Calculate the fraction of the total chromate in this solution that is present a…

1. Chromium metal reacts with oxygen to give chromium(III) oxide, Cr2O3. Write a

1. Chromium metal reacts with oxygen to give chromium(III) oxide, Cr2O3. Write a balanced equation for the reaction. What mass (in grams) of Cr2O3 is produced if 0.190 g of chromi…

1. Circle True or False for each of the following statements regarding the gener

1. Circle True or False for each of the following statements regarding the general periodic trends in the properties of elements: a.) Atomic radius increases from left to right in…

1. Circle the following compound whose conjugate base will have a pH of 14 for a

1. Circle the following compound whose conjugate base will have a pH of 14 for a 1 M aqueous solution? Clearly show your work or reasoning below. a) C2H6 b) HOCN c) HAsF6 d) FCOOH…

1. Circle the following compound whose conjugate base will have a pH of 14 for a

1. Circle the following compound whose conjugate base will have a pH of 14 for a 1 M aqueous solution? Clearly show your work or reasoning below. a) C2H6 b) HOCN c) HAsF6 d) FCOOH…