Chemistry concepts and calculations

24 ARRHENIUS PROBLEM. 10 points. A multi-national Pharma has developed a new mir

24 ARRHENIUS PROBLEM. 10 points. A multi-national Pharma has developed a new miracle drug, however the half-life T1/2 at Temp 25°C is T1/2 32 days. At Temp The Vice President of S…

24 Give the percent yield when 2751 g of Co2 with 4.000 moles of O2 e percent yi

24 Give the percent yield when 2751 g of Co2 with 4.000 moles of O2 e percent yield when 27.51 g of Co2 are formed from the reaction of 4.000 moles of C8H18 2C8H18 + 2502 - 16 CO2…

24 Inversions Let A[1 ..n] be an array of n distinct numbers. 1f A[j], then the

24 Inversions Let A[1 ..n] be an array of n distinct numbers. 1f A[j], then the pair (i,j) is called an inversion of A. a. List the five inversions of the array (2.3. 8.6, 1). b. …

24 The 1.7 kg balls are attached to the ends of a thin rod of length 50.0 cm and

24 The 1.7 kg balls are attached to the ends of a thin rod of length 50.0 cm and negligible mass. The rod is free to rotate in a vertical plane without friction about a horizontal…

24 Which of the following ions have the same ground state electron configuration

24 Which of the following ions have the same ground state electron configuration: s N' Mg2 and a. N3- and Mg 2+ b. s2- ,N3-, and Br c, S2- and Br d. Mg and Br e, s N3 ,Mg and Br W…

24 and 25 23 please show how you came to your answer 24. For the following react

24 and 25 23 please show how you came to your answer 24. For the following reaction at equilibrium, which choice gives a change that will shift the position of i equilibrium to ar…

24 of 26 Constants | Periodic Table Part A What is the function of the control r

24 of 26 Constants | Periodic Table Part A What is the function of the control rods in a nuclear reactor? What is the function of the control rods in a nuclear reactor? SubmitRequ…

24% Thu 11:01 AM Q. 03 Safar Ed View History Bookmarks Window Help Wayne State C

24% Thu 11:01 AM Q. 03 Safar Ed View History Bookmarks Window Help Wayne State College CH 315 Spring15 PEITZ: Ch 16 Part B webadvisor.southeast.ed TYPE M&PID; CORE-WBMAIN&…

24%), N 10 Elemental analysis of an unknown organic compound provided the follow

24%), N 10 Elemental analysis of an unknown organic compound provided the following mass percentages: C 53.09%), H (6 (12.38%), O (28.29%). The molecular weight of the unknown was…

24) 25) 0s000 6 800000m ice melting 2s) Chente! 29) 30) 25) silver tarmishing 29

24) 25) 0s000 6 800000m ice melting 2s) Chente! 29) 30) 25) silver tarmishing 29) buming leaves 30) grinding peppercom into flakes SHORT ANSWER PROBLEMS. Determine the answer to t…

24) 63.5g Cu produces 36g water So 32g Cu will produce 36*32/63.5 = 18.1g water

24) 63.5g Cu produces 36g water So 32g Cu will produce 36*32/63.5 = 18.1g water 25) 4mol NH3 forms 6mol H2O So 2mol NH3 forms 3mol H2O. 26) this question is blurred if it is 3p4 t…

24) For a reaction that follows the general rate law, Rate = k[A][B]2, what will

24) For a reaction that follows the general rate law, Rate = k[A][B]2, what will happen to the rate of reaction if the concentration of B is increased by a factor of 2.00? The rat…

24) In a redox reaction, the reactant that gets reduced is called an agent a) Ox

24) In a redox reaction, the reactant that gets reduced is called an agent a) Oxidizing b) Reducing c) Manipulating spy fthe e) None of the above int 25) The internal energy of a …

24) Refer to the bisubstrate mechanism schemes shown below. Correct description.

24) Refer to the bisubstrate mechanism schemes shown below. Correct description. CHM 380 (Fall 2017) Exam 2 answer pairs scheme with correct E'BEQ Scheme I E AE Scheme 2 Which typ…

24) Why can’t we give Granny a cigarette when she is in the oxygen tent? You’re

24) Why can’t we give Granny a cigarette when she is in the oxygen tent? You’re not in her will yet. Patience. Granny gets oxidized and oxygen gets reduced (fast) She’s not intere…

24) Why can’t we give Granny a cigarette when she is in the oxygen tent? a) You’

24) Why can’t we give Granny a cigarette when she is in the oxygen tent? a) You’re not in her will yet. Patience. b) Granny gets oxidized and oxygen gets reduced (fast) c) She’s n…

24,25,26,27 please explain how you came to your answer 24, Calculate G. a at 25°

24,25,26,27 please explain how you came to your answer 24, Calculate G. a at 25°C for a cell reaction where three moles of electrons are transferred and Eo= +0,500 volts. A. -3618…

24- Complete combustion of 2.384 g of an organic acid containing C, H and O prod

24- Complete combustion of 2.384 g of an organic acid containing C, H and O produced 5.735 g CO: and 2.013 g H:O. Calculate the Empirical formula of the compound 25- 2.766 g alumi…

24-25. Consider the following equilibrium: 2H2(g) + X2(g) 2H2x(g) + energy 24. W

24-25. Consider the following equilibrium: 2H2(g) + X2(g) 2H2x(g) + energy 24. What will happen if we increase the temperature to the above equilibrium? A) B) C) D) will cause [H2…

24-25. Consider the following equilibrium: 2H2(g) + X2(g) 2H2x(g) + energy 24. W

24-25. Consider the following equilibrium: 2H2(g) + X2(g) 2H2x(g) + energy 24. What will happen if we increase the temperature to the above equilibrium? A) B) C) D) will cause [H2…

24. (3 points) Cholesterol is biosynthesized from squalene, a waxy substance fir

24. (3 points) Cholesterol is biosynthesized from squalene, a waxy substance first isolated from whale oil. The crucial first step is formation of so-called "squalene oxide". It t…

24. (3 points) Cholesterol is biosynthesized from squalene, a waxy substance fir

24. (3 points) Cholesterol is biosynthesized from squalene, a waxy substance first isolated from whale oil. The crucial first step is formation of so-called "squalene oxide". It t…

24. 0.9410 g of phenol (C 6 H 5 OH) are burned in a bomb calorimeter with a heat

24. 0.9410 g of phenol (C6H5OH) are burned in a bomb calorimeter with a heat capacity of 4.630 kJ/°C . The temperature of the calorimeter increases by 6.590°C. What is the heat of…

24. A reaction that place between dissolved barium nitrate and dissolved sodium

24. A reaction that place between dissolved barium nitrate and dissolved sodium sulfate results in formation of solid takes sulfate. Which equation describes this reaction? b. BaN…

24. A solution is prepared by adding 100 mL of 0.050 MCHsCOOH(aq) to 100 mL of 0

24. A solution is prepared by adding 100 mL of 0.050 MCHsCOOH(aq) to 100 mL of 0.050 M C&HsCOONa;(aq). The solution is stirred and its pH is measured to be 4.20. After 3 drops…

24. A triprotic acid is titrated with 0.100 M NaoH. If 10.0 mL of a solution of

24. A triprotic acid is titrated with 0.100 M NaoH. If 10.0 mL of a solution of the acid that is 5.00 g/200. mL is neutralized to a pale pink phenolphthalein endpoint by 20.00 ml …

24. According the solvent to the equation you just wrote, as the mole fraction o

24. According the solvent to the equation you just wrote, as the mole fraction of the solute increases, the vapor pre las expected) sine nure eio is a graph of the vapor pressure …

24. According to _____, the more highly substituted alkene is the major product

24. According to _____, the more highly substituted alkene is the major product in an elimination reaction. a. Walden b. Markonikov c. Wohler d. Saul Winstein e. Zaitsev 25. In __…

24. Among the sea life in the tidal zone are many invertebrates and vertebrates.

24. Among the sea life in the tidal zone are many invertebrates and vertebrates. Scientists found that a tiny fish in this tidal zone feeds on multiple varieties of algae. In the …

24. Barium ene ma is a diagnostic medical procedure in which the inside of the l

24. Barium ene ma is a diagnostic medical procedure in which the inside of the large intestine is coated with an aqueous slurry of insoluble BaSO, and imaged using X-ray. If you'r…

24. Calculate Eocea for a silver-aluminum cell in which the cell reaction is A)

24. Calculate Eocea for a silver-aluminum cell in which the cell reaction is A) B) C) D) E) Alis) + 3Ag+(aq) All"(aq) + 3Ag(s) -2.46 V 0.86 V -0.86 V 2.46 V none of these 25. Cons…

24. Calculate the equilibrium constant for the reaction Glucose-1-phosphate + H2

24. Calculate the equilibrium constant for the reaction Glucose-1-phosphate + H2O glucose+H,Por at pH7.0 and temp. 25 C. Gas constant is 8.314 J Kmol 0°,--20.9 kJ mol-I a. 1.2x 10…

24. Chemical action during corrosion converts metal into metailic component as a

24. Chemical action during corrosion converts metal into metailic component as a. hydroxide b. oxide 25. Which of the following corrosions are caused due to velocity of c. sulphat…

24. Chemical action during corrosion converts metal into metailic component as a

24. Chemical action during corrosion converts metal into metailic component as a. hydroxide b. oxide 25. Which of the following corrosions are caused due to velocity of c. sulphat…

24. Dehydration of an concentrated H2so4 results in the formation of all of the

24. Dehydration of an concentrated H2so4 results in the formation of all of the following unknown alcohol with alkene products. What isare the possible structures of the original …

24. Determine the moles of excess reactant that remains when 1.60 moles of PCls

24. Determine the moles of excess reactant that remains when 1.60 moles of PCls reacts with 9.0 moles of H20 according to the following equation: PCI5 4 H20g) H3PO4 + 5 HCl. (A) 2…

24. Devise a synthesis of B from A: 25. a. Which of the following statements is

24. Devise a synthesis of B from A: 25. a. Which of the following statements is true about 'H NMR absorptions? A signai that occurs at 1800 Hz on a 300 MHz NMR spectrometer occurs…

24. How much 10 mM glucose do we need to add to 85 mL of HO in order to make 2.7

24. How much 10 mM glucose do we need to add to 85 mL of HO in order to make 2.75 mM glucose? 25. We have 10 L of 2.5 M CaCla stock and want to make a 10 mM CaCle working solution…

24. How much 10 mM glucose do we need to add to 85 mL of HO in order to make 2.7

24. How much 10 mM glucose do we need to add to 85 mL of HO in order to make 2.75 mM glucose? 25. We have 10 L of 2.5 M CaCla stock and want to make a 10 mM CaCle working solution…

24. Questions 24-25 refer to the following information. Reaction: A-only\" 2 B T

24. Questions 24-25 refer to the following information. Reaction: A-only" 2 B The above reaction using a catalyst is run over a series of temperatures using identical initial conc…

24. Questions 24-25 refer to the following information. Reaction: A-only\" 2 B T

24. Questions 24-25 refer to the following information. Reaction: A-only" 2 B The above reaction using a catalyst is run over a series of temperatures using identical initial conc…

24. Strontium-90 is radioactive and has a h life of 28.8 years. The activity of

24. Strontium-90 is radioactive and has a h life of 28.8 years. The activity of a 4.1 mg sample of strontium- half 90 is 2.1 x 1010 becquerels. Calculate the activity in curies. l…

24. The electrochemical reaction which powers a lead-acid storage battery is as

24. The electrochemical reaction which powers a lead-acid storage battery is as follows: Pb(s) + PbO2(s) + 4H'(aq) + 2SO42-(aq) 2PbSO4(s) + 2H,0(1) A single cell of this battery c…

24. The melting temperature of pure iron is: a. 1538°C b. 400°C c. 1147°C d. 727

24. The melting temperature of pure iron is: a. 1538°C b. 400°C c. 1147°C d. 727°C 25. The eutectic concentration of carbon in steel is: a. 0.76 wt% b. 0.022 wt% c. 2.14 wt% d. 4.…

24. Two proteins bind to the same ligand, and protein A has half of it s binding

24. Two proteins bind to the same ligand, and protein A has half of it s binding sites occupied when the ligand concentration is 0.5 mM, while protein B has hal concentration is a…

24. What is the pH of a 0,15 M Ba(oHe solution? A 1348 B, 0.52 D. 082 E 14.15 25

24. What is the pH of a 0,15 M Ba(oHe solution? A 1348 B, 0.52 D. 082 E 14.15 25. Which of the following is the weakest acid? s 104) C. HNO: Ka 4.5x10 E acetic acid (Ka 1.8x 10 A.…

24. What is the pH of a 0,15 M Ba(oHe solution? A 1348 B, 0.52 D. 082 E 14.15 25

24. What is the pH of a 0,15 M Ba(oHe solution? A 1348 B, 0.52 D. 082 E 14.15 25. Which of the following is the weakest acid? s 104) C. HNO: Ka 4.5x10 E acetic acid (Ka 1.8x 10 A.…

24. What is the pH of a solution that results from diluting 0.20 mol nitrous aci

24. What is the pH of a solution that results from diluting 0.20 mol nitrous acid (HNO2) and 0.50 mol sodium nitrite (NaNO2) with water to a volume of 2.0 L? (Ka of HNO2 = 4.5 x 1…

24. Which of the following best explains why an enzyme hasn\'t evolved to cataly

24. Which of the following best explains why an enzyme hasn't evolved to catalyze the following reaction as the first step of glycolysis? glucose +  inorganic phosphate à  glucose…

24. Which of the following statements regarding the third law of thermodynamics

24.       Which of the following statements regarding the third law of thermodynamics is incorrect? (a)The absolute S is zero at 0 Kelvin. (b)The absolute S at 298 K can be positi…