Chemistry concepts and calculations

1. Proove n^2 is O(n 3 /2000 ) -> choose witneses. c and k 2. Prove 2 n+1 is O(n

1. Proove n^2 is O(n3/2000) -> choose witneses. c and k 2. Prove 2n+1 is O(n2) -> choose witneses c and k 3. Proove 2n is O(3n/1000) -> choose witneses c and k 4. For wha…

1. Propose an efficient synthesis of the following compounds wherein all carbons

1. Propose an efficient synthesis of the following compounds wherein all carbons are obtained from ethyne having three or fewer carbon atoms. A. Propyne B. 2-butyne C. meso 2,3 di…

1. Propyl acetate C 5 H 10 O 2 gives the odor and taste to pears. How many moles

1. Propyl acetate C5H10O2 gives the odor and taste to pears. How many moles of oxygen are present in 1.18 moles of propyl acetate? Propyl acetate molar mass is 102.13 grams per mo…

1. Propylene oxide is used primarily in the synthesis of poly(propylene glycol),

1. Propylene oxide is used primarily in the synthesis of poly(propylene glycol), a polymer material that is used in the manufacture of automobile seats, bedding, and carpets. Prop…

1. Published findings in an article written by G. Schmitz report that measured p

1. Published findings in an article written by G. Schmitz report that measured pH values for 0.10 M acetic acid and for acetic acid/acetate buffer solutions agree well with the ca…

1. Put 250 mL beaker on the scale and tare the scale. 2. Measure 1.0 g of the co

1. Put 250 mL beaker on the scale and tare the scale. 2. Measure 1.0 g of the copper gluconate in the beaker on the scale. Record the exact mass in the Data section near the end o…

1. Put about 200 70°C. Thi mI. of distilled water into a 250-mL beaker, set it o

1. Put about 200 70°C. Thi mI. of distilled water into a 250-mL beaker, set it on the hot plate and heat to about s warm water will be needed for both Part A and Part B. Procedure…

1. Put in order from lowest to highest freezing point 0.21 m AgNO3, 0.13 M Zn(CH

1. Put in order from lowest to highest freezing point 0.21 m AgNO3, 0.13 M Zn(CH3COO)2, 0.15 M NiI2, 0.48 M urea(non electrolyte) 2.Put in order from lowest to highest freezing po…

1. Put the following in order of increasing lattice energy: Ca (PO4)2, KNO, Lic,

1. Put the following in order of increasing lattice energy: Ca (PO4)2, KNO, Lic, SrCl2, Nal, BaS, Na O 2. Label each step in the Born Haber cycle below (for example, "Heat of Subl…

1. Pyrene (show below) is aromatic, yet contain 16 pi electrons. This would seem

1. Pyrene (show below) is aromatic, yet contain 16 pi electrons. This would seem to violate Huckel's rule. Offer an explaination for the aromaticity of pyrene. 2. Cycloheptatrieno…

1. Qualitative questions (30 points total, 5 points each) a) What is the signifi

1. Qualitative questions (30 points total, 5 points each) a) What is the significance of the double slit experiment? b) What are the main 2 assumption that Bohr undertook to build…

1. Question 1: You are given a sorted array of integers. The numbers in the arra

1. Question 1: You are given a sorted array of integers. The numbers in the array are pairwise distinct, namely no value appears more than once. Your goal is to find if there is a…

1. Questions 1-2 refer to the following information. Hydrogen Gas Water Test Tub

1. Questions 1-2 refer to the following information. Hydrogen Gas Water Test Tube Calcium Calcium metal will react with water to generate hydrogen gas. A setup for a lab collectio…

1. Questions 1-2 refer to the following information. Hydrogen Gas Water Test Tub

1. Questions 1-2 refer to the following information. Hydrogen Gas Water Test Tube Calcium Calcium metal will react with water to generate hydrogen gas. A setup for a lab collectio…

1. Questions and Calculations- Fluorite structure (a) In CaF2, which ions are lo

1. Questions and Calculations- Fluorite structure (a) In CaF2, which ions are located at the lattice points of the ccp structure? Ca (b) Which type of interstitial sites are fille…

1. REAL CASE: 2 dead from alleged milk tea poisoning. http://news.abs-cbn.com/na

1. REAL CASE: 2 dead from alleged milk tea poisoning. http://news.abs-cbn.com/nation/metro-manila/04/10/15/2-dead-alleged-milk-tea-poisoning Review this incident. Determine the ha…

1. REAL CASE: 2 dead from alleged milk tea poisoning. http://news.abs-cbn.com/na

1. REAL CASE: 2 dead from alleged milk tea poisoning. http://news.abs-cbn.com/nation/metro-manila/04/10/15/2-dead-alleged-milk-tea-poisoning Review this incident. Determine the ha…

1. Radio wave radiation falls in the wavelength region of 10.0 to 1000 meters. W

1. Radio wave radiation falls in the wavelength region of 10.0 to 1000 meters. What is the energy of radio wave radiation that has a wavelength of 938 m? Energy = _____ kJ/photon …

1. Radioactive decay is a process that follows a first-order rate law: Rate = kN

1.     Radioactive decay is a process that follows a first-order rate law: Rate = kN, where N is the number of nuclei and the rate I the nuclear disintegrations per unit time. The…

1. Rand water research committee consisting of 12 chemical engineers design a re

1. Rand water research committee consisting of 12 chemical engineers design a reverse-osmosis plant to recover 30 % of the seawater feed water as portable water. The permeate pres…

1. Rand water research committee consisting of 12 chemical engineers design a re

1. Rand water research committee consisting of 12 chemical engineers design a reverse-osmosis plant to recover 30 % of the seawater feed water as portable water. The permeate pres…

1. Rank (qualitatively) metals, ceramics, polymers, and semiconducting materials

1. Rank (qualitatively) metals, ceramics, polymers, and semiconducting materials according to electrical conductivity (from highest to lowest range of values). 2. Elements in the …

1. Rank substituents in order of their priority when assigning the E or Z label

1. Rank substituents in order of their priority when assigning the E or Z label to an alkene. CH2CH2Cl H I CH2OH NH2 2. The following is a multi-step reaction. The rate-limiting s…

1. Rank the following 0.100 M solutions in terms of increasing pH: HCl(aq), H 2

1. Rank the following 0.100 M solutions in terms of increasing pH: HCl(aq), H2O(l), NaOH(aq) < NaF, (aq), and H2CO3. 2. The pH of a solution at the phenolphthalein end point is…

1. Rank the following anions in terms of increasing basicity: 2. In the followin

1. Rank the following anions in terms of increasing basicity: 2. In the following case, identify the more stable anion. Explain why it is more stable. ____ is more stable because …

1. Rank the following compounds in order of increasing pH (1 - lowest, to 5 - hi

1. Rank the following compounds in order of increasing pH (1 - lowest, to 5 - highest) and label each compound as strong acid, weak acid, neutral, weak base or strong base. Place …

1. Rank the following metals by ease of oxidation, from hardest to easiest: Cu;

1. Rank the following metals by ease of oxidation, from hardest to easiest: Cu; aluminum, Al; Fe; and chromium, Cr. 4. Describe an electrochemical cell that would have the followi…

1. Rank the metals from most reactive to least reactive. How can you distinguish

1. Rank the metals from most reactive to least reactive. How can you distinguish between them? 2. How does the order of reactivity relate to the position of the metal on the perio…

1. Rate of Kilauea - Laysan 2. Rate of Kilauea - Suiko (southern) 3. Rate of Kil

1. Rate of Kilauea - Laysan 2. Rate of Kilauea - Suiko (southern) 3. Rate of Kilauea - Suiko (central) HOT SPOTS: Hawaiian Islands and Rates of Motion of the Pacific Plate Figure …

1. Reaction conversion a. Consider the generic reaction A > 3B, occurring in a b

1. Reaction conversion a. Consider the generic reaction A > 3B, occurring in a batch reactor. If there are initially 20 g moles of A present, what is the conversion XA if 34 g …

1. Read MISC 327, Graphical Representation of Data, in this series or another au

1. Read MISC 327, Graphical Representation of Data, in this series or another authoritative source that describes the principles of graphing. (1) Using the graph paper on the next…

1. Read MISC 327, Graphical Representation of Data, in this series or another au

1. Read MISC 327, Graphical Representation of Data, in this series or another authoritative source that describes the principles of graphing. (1) Using the graph paper on the next…

1. Read am authoritative source for a dicussion of filtration 2. What safety pre

1. Read am authoritative source for a dicussion of filtration 2. What safety precautions should be taken when evaporating the filtrate containing NaCl? 3. Define the following ter…

1. Read and understand Lab 1 Study Guide to rationalize the stability of cyclopr

1. Read and understand Lab 1 Study Guide to rationalize the stability of cyclopropane, cyclobutane, and cyclopentane. (5 points) 2. Look at the Acid-Base Extraction study guide. B…

1. Read in a line of input then print the line in reverse order. You should stor

1. Read in a line of input then print the line in reverse order. You should store the input in an array of char. Assume that the line is no longer than 255 characters. Note that y…

1. Read the following paragraph as quickly as you can, and see if you encounter

1. Read the following paragraph as quickly as you can, and see if you encounter any diculties. """"""Aoccdrnig to rscheearch at an Elingsh uinervtisy, it deosn't mttaer in waht or…

1. Recalling that nucleophilic substitution reactions only occur at sp3 hybridiz

1. Recalling that nucleophilic substitution reactions only occur at sp3 hybridized carbon atoms containing a leaving group, are there any molecules from table 1 that you suspect w…

1. Record and calculate the following about the copper sulfate pentahydrate (a)

1. Record and calculate the following about the copper sulfate pentahydrate (a) mass of CuSO4*5H2O (g) (b) Molecular weight of CuSO4*5H2O (c)Moles of CuSO4*5H2O (d)Moles of Cu in …

1. Redox reactions are characterized by the fact that electrons are between reac

1. Redox reactions are characterized by the fact that electrons are between reactants A substance which is oxidized electrons and the oxidation number A substance which is reduced…

1. Reductive amination can be used to form primary, secondary, and tertiary amin

1. Reductive amination can be used to form primary, secondary, and tertiary amines. 2. Secondary amines are more basic than primary amines due to extra electron donation by the al…

1. Refer to Part A: a) Are organic compounds generally more or less dense than w

1. Refer to Part A: a) Are organic compounds generally more or less dense than water? b) Which of the following compounds would be more dense than water: CH3(CH2)10CH3 or CH3CH2CH…

1. Refer to the periodic table and predict the empirical formula for each of the

1. Refer to the periodic table and predict the empirical formula for each of the following oxides given the formula of aluminum oxide, Al2O3 (a) B?O? ______ (b) Ga?O? _______ (c) …

1. Refer to this equation: 2CaCO3 (s) —> 2CaO (s) + 2CO2 (g) Enthalpy change = -

1. Refer to this equation: 2CaCO3 (s) —> 2CaO (s) + 2CO2 (g) Enthalpy change = -178.1 kJ/ mol reaction How many grams of CaCo3 must react in order to liberate 545 kJ of heat? 2…

1. Referencing an Array implementation of a Queue; Illustrate by drawing the imp

1. Referencing an Array implementation of a Queue; Illustrate by drawing the implementation of what happens if the front or rear advances past the last array position (it is reset…

1. Relationship between Affinity and Dissociation Constant Protein A has a bindi

1. Relationship between Affinity and Dissociation Constant Protein A has a binding site for ligand X with a Kd of 10-6 M. Protein B has a binding site for ligand X with a K of 10-…

1. Relationship between equilibrium constants and partition functions a) McQuarr

1. Relationship between equilibrium constants and partition functions a) McQuarrie and Simon problem 12-39 b) By defining in simple English what is represented by the partition fu…

1. Relatively slow rates of chemical reaction are associated with which of the f

1. Relatively slow rates of chemical reaction are associated with which of the following? a. The presence of a catalyst b. High temperature c. High concentration of reactants d. S…

1. Retention time (tR) is a measure of how long a compound is retained on a stat

1. Retention time (tR) is a measure of how long a compound is retained on a stationaryphase in column in column chromatography. In TLC, Rf was a measure of how long thecompound wa…

1. Retention time (tR) is a measure of how long a compound is retained on a stat

1. Retention time (tR) is a measure of how long a compound is retained on a stationaryphase in column in column chromatography. In TLC, Rf was a measure of how long thecompound wa…

1. Retention time (tR) is a measure of how long a compound is retained on a stat

1. Retention time (tR) is a measure of how long a compound is retained on a stationaryphase in column in column chromatography. In TLC, Rf was a measure of how long thecompound wa…