Chemistry concepts and calculations
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(b) four 4. What is the length in millimeters of a crystal of copper sulfate tha
(b) four 4. What is the length in millimeters of a crystal of copper sulfate that is 0.180 in. long? a VA 5. Perform the following conversions: (a) 72.3 mg to g, (b) 6.0x10 10 m t…
(b) i Table 1 (below) shows the concentration and rate of decomposition for subs
(b) i Table 1 (below) shows the concentration and rate of decomposition for substance A measured after 4 consecutive time periods. Calculate the value of m if the decomposition ra…
(b) what types of intermolecular forces occur between the solute particles? (Sel
(b) what types of intermolecular forces occur between the solute particles? (Select all that apply.) onic interactions ion-dipole forces dipole-dipole forces hydrogen bonding forc…
(b). In terms of bond enthalpies, why do you suppose most decarboxylation reacti
(b). In terms of bond enthalpies, why do you suppose most decarboxylation reactions are exergonic?(HINT: most decarboxylation reactions are NOT coupled to ATP hydrolysis) (c)Given…
(b): Currently, the branch delay slots are filled with flop instructions, but th
(b): Currently, the branch delay slots are filled with flop instructions, but this is inefficient. Rearrange the instructions so that the branch delay slots are filled with useful…
(b)You read a report claiming that in sterile (i.e., no bacteria) deionized wate
(b)You read a report claiming that in sterile (i.e., no bacteria) deionized water (no organic matter, no suspended particles), the half-life for TMP is only 44 days at pH 7.0 and …
(b)You read a report claiming that in sterile (i.e., no bacteria) deionized wate
(b)You read a report claiming that in sterile (i.e., no bacteria) deionized water (no organic matter, no suspended particles), the half-life for TMP is only 44 days at pH 7.0 and …
(background information) Imagine that this is a plot of Velocity (µM/min) vs Sub
(background information) Imagine that this is a plot of Velocity (µM/min) vs Subsrate Concentration (µM) with "Thrombin" which had a stock solution of 7µM but then you diluted it …
(biochem) refering to the paper \"The case against sugar\" by Stephen K. Ritter.
(biochem) refering to the paper "The case against sugar" by Stephen K. Ritter. It was published in Chemical and Engineering News, August 4, 2014 issue (page 11-17). The ratio gluc…
(c) 1/Ka (d) Kw/Kb if you had to choose between 0.1O M IIC2 11,0, (Ka 1.8 12 x i
(c) 1/Ka (d) Kw/Kb if you had to choose between 0.1O M IIC2 11,0, (Ka 1.8 12 x io-s) and 0.10 M I ICI 102 (K,-1.8 × 10-4), which would have the lower pH? or k (b) HCHO2 (d) it wou…
(c) 1/Ka (d) Kw/Kb if you had to choose between 0.1O M IIC2 11,0, (Ka 1.8 12 x i
(c) 1/Ka (d) Kw/Kb if you had to choose between 0.1O M IIC2 11,0, (Ka 1.8 12 x io-s) and 0.10 M I ICI 102 (K,-1.8 × 10-4), which would have the lower pH? or k (b) HCHO2 (d) it wou…
(c) 100.0 mL of 0.0800 molar Ba(NO3)2 is mixed with 100.0 ml of 0.0600 molar KCl
(c) 100.0 mL of 0.0800 molar Ba(NO3)2 is mixed with 100.0 ml of 0.0600 molar KCl. How many grams of BaCl2 precipitate? Calculate the equilibrium concentrations of Ba+, K+, NO3?, a…
(c) Aqueous aniline, CsH,NH2 reacts with formic acid, HCOOH. 2. You prepare a bu
(c) Aqueous aniline, CsH,NH2 reacts with formic acid, HCOOH. 2. You prepare a buffer that is 0.35 M Na,HAsO,(sodium hydrogen arsenate) and 0.45 M NaH Aso, (sodium dihydrogen arsen…
(c) CrO 4 2 ? ( aq ) + S 2 O 3 2 ? ( aq ) ? Cr 3+ ( aq ) + SO 4 2 ? ( aq ) (d) A
(c) CrO42?(aq) + S2O32?(aq) ? Cr3+(aq) + SO42?(aq) (d) Al(s) + MnO4?(aq) ? MnO2(s) + Al(OH)4?(aq) (e) NO2?(aq) + Al(s) ? NH3(g) + AlO2?(aq) Balance the following oxidatio…
(c) Find the linear relationship between frequency and wavelength (or function o
(c) Find the linear relationship between frequency and wavelength (or function of wavelength ), in meters. Record the equation for the linear regression line, including units, and…
(c) Find the number of reflections of light rays for each of these images first
(c) Find the number of reflections of light rays for each of these images first nearest image second nearest image 0 ColFunPhys1 24.P015 A spherical silver Christmas tree ornament…
(c) Seo42 sha (d) IFA sha O octahedral O octahedral O square pyramidal O square
(c) Seo42 sha (d) IFA sha O octahedral O octahedral O square pyramidal O square pyramidal tetrahedral tetrahedral O trigonal pyramidal O trigonal pyramidal zation zation ideal bon…
(c) Some CaCO3 is removed from the mixture (a) The System Shirts To The Right (b
(c) Some CaCO3 is removed from the mixture (a) The System Shirts To The Right (b) The System Shirts to the Left (c) No Effect (d) Some CO2 is a…
(c) What is , the electromotive efficiency to three significant figures?? Open t
(c) What is , the electromotive efficiency to three significant figures?? Open the hint panel below for the definition of electromotive efficiency. The other parts I got correct, …
(c) Write a function with header def mostFrequentWords(wordList, frequencyList,
(c) Write a function with header def mostFrequentWords(wordList, frequencyList, k): that takes three parameters: (i) a list of strings (words) called wordList, (ii) a list of posi…
(c) nitric acid, HNO3 (d) silver sulfate, Ag SO (e) boric acid, B(OH)s 13. Calcu
(c) nitric acid, HNO3 (d) silver sulfate, Ag SO (e) boric acid, B(OH)s 13. Calculate the molar mass of each of the following: (a) Ss (b) CsHi2 (c) Sca(SO4) (d) CHiCOCHs (acetone (…
(c26p74) A slab of copper of thickness b = 1.860 mm is thrust into a parallel-pl
(c26p74) A slab of copper of thickness b = 1.860 mm is thrust into a parallel-plate capacitor of C = 1.00×10-11 F of gap d = 8.0 mm, as shown in the figure; it is centered exactly…
(competency) Two buffers are prepared by adding an equal number of moles of form
(competency) Two buffers are prepared by adding an equal number of moles of formic acid (HCOOH) and sodium formate (HCOONa) to enough water to make 1.00 L of solution. Buffer A pr…
(conceptual chemistry question. more than one person can explain please!) it is
(conceptual chemistry question. more than one person can explain please!) it is consider the following reaction :HNO2 (aq) + H2O (l) *insert forwards and reverse arrows here* H3O …
(conway experiemnt ) Quantitative ethyl ethanol answer the following question ex
(conway experiemnt ) Quantitative ethyl ethanol answer the following question exaplin in your own words: 1) How does the alcohol get from the outer chamber to the inner?How can th…
(d) (4 pts) Using just oxalic acid, which is a solid, and stock solutions of eit
(d) (4 pts) Using just oxalic acid, which is a solid, and stock solutions of either 3.00 M HCla) or 3.00 M (e) (4 pts) If sodium oxalate is used to prepare a buffer solution with …
(d) (5 Points) If we were to use NRZ line codes, plot the signal to be sent for
(d) (5 Points) If we were to use NRZ line codes, plot the signal to be sent for the first 5 bits. (e) (10 Points) If instead of NRZ, we use RZ with pulse durations 1/4th of the NR…
(d) FIGURE 1 shows an external intermediate vessel which receives a continuous m
(d) FIGURE 1 shows an external intermediate vessel which receives a continuous mixture of hydrocarbon liquid and small variable amounts of water. The water must be separated by se…
(d) Predict what the rate constant values willl be at 10 degrees Celcius and 35
(d) Predict what the rate constant values willl be at 10 degrees Celcius and 35 degrees Celcius? Will Rate Quick! NO(g) + O3(g) rightarrow NO2(g) + O2(g) The reaction is fi…
(d) What happens if the magnetic field exceeds this minimum value? Consider the
(d) What happens if the magnetic field exceeds this minimum value? Consider the system pictured in the figure below. A 15.9-cm horizontal wire of mass 14.3 g is placed between two…
(d) between-40 and +100 k.J (e) greater than +100 kJ S Which describes the chang
(d) between-40 and +100 k.J (e) greater than +100 kJ S Which describes the change in AG and the change in spontaneity of the reaction as temperature increases? (a) decreases to va…
(d) copper oxide (e) copper dioxide 2· The name of NC13 is: (a) nitrogen(III) ch
(d) copper oxide (e) copper dioxide 2· The name of NC13 is: (a) nitrogen(III) chloride (b) nitrogen chloride (c) nitrogen trichoride (d) nitrogen trichlorate (e) nitrogen trichlor…
(d) copper oxide (e) copper dioxide 2· The name of NC13 is: (a) nitrogen(III) ch
(d) copper oxide (e) copper dioxide 2· The name of NC13 is: (a) nitrogen(III) chloride (b) nitrogen chloride (c) nitrogen trichoride (d) nitrogen trichlorate (e) nitrogen trichlor…
(d). If I let thesame gas expand by removing all external pressure, how much wor
(d). If I let thesame gas expand by removing all external pressure, how much work isdone?
(d)105 mL of 0.545 M C&Ci2; sonu 4. -/1 pointsZumintro6 15.P.047 -orKN03 is requ
(d)105 mL of 0.545 M C&Ci2; sonu 4. -/1 pointsZumintro6 15.P.047 -orKN03 is required to prepare 200. mL of 0.291 M KNO3 solution? S. -/4 pointsZumintro6 15.P.049 the number of…
(delta H_f of CO_2 (g) = -393.5 kj/mol; deltaH_f of H_2O(l) = -285.8 kj/mol; del
(delta H_f of CO_2 (g) = -393.5 kj/mol; deltaH_f of H_2O(l) = -285.8 kj/mol; deltaH_f of O_2(g) = 0 kj/mol) Fill-in the blanks Law of thermodynamics state, it is impossible to con…
(delta)H solvent, (delta)H solute, or (delta)H mix (c) methanol in water 10) For
(delta)H solvent, (delta)H solute, or (delta)H mix (c) methanol in water 10) For the dissolution of Lici in water, .oln--37 kJ/mol. Which term do you expect to be the largest nega…
(e) BaSO (g) CuCro ) ZaS (d) a 5. (a) c 6. The 7. (a) ing of the 4. Write a bala
(e) BaSO (g) CuCro ) ZaS (d) a 5. (a) c 6. The 7. (a) ing of the 4. Write a balanced chemical equation for ea chloride(s) potass chlorine(g) + 1 (a) potassium(s) kcl + carbon diox…
(e) Determine the net torque due to all four forces. The plywood sheet shown in
(e) Determine the net torque due to all four forces. The plywood sheet shown in the figure measures 2.0 m by 2.0 m, and each of the four forces the sheet is subjected to has a ma…
(e) Draw the possible structure of one product for each reaction, if the above m
(e) Draw the possible structure of one product for each reaction, if the above molecule is subjected to the following enzymes that are present in snake venom. (e. 1) Phospholipase…
(e) You believe that the electrolytes could be linked to the type of chemicals u
(e) You believe that the electrolytes could be linked to the type of chemicals used by the farmers. They submitted their list with corresponding solubility and Kow values in this …
(e) i - (part 2) What fractions of this concentration come from reactor 1 and re
(e) i - (part 2) What fractions of this concentration come from reactor 1 and reactor 2? 11.15 A chemical constituent flows between three reactors as depicted in Fig. P11.15. Stea…
(e) react with starch as the endpoint is approached. n Experiment M, the activat
(e) react with starch as the endpoint is approached. n Experiment M, the activation energy can be obtained using the equation k Ae-Ea/RT where R is the gas law constant, T is the …
(f) When 8.60 grams of AgNO3 is dissolved, how many moles of cation are produced
(f) When 8.60 grams of AgNO3 is dissolved, how many moles of cation are produced? WebAssign will check your answer for the correct number of significant figures. mol How many mole…
(for part a b would be appreciated though sig figs plz) You have been sent to In
(for part a b would be appreciated though sig figs plz) You have been sent to India to investigate the occurrence of goiter disease attributed to iodine deficiency. As part of you…
(i tried attaching a picture, it must have not worked). HERE IT IS: A plastic pi
(i tried attaching a picture, it must have not worked). HERE IT IS: A plastic piece was being analyzed by floatation methods. The piece of plastic was suspended in a solution whic…
(i tried attaching a picture, it must have not worked). HERE IT IS: A plastic pi
(i tried attaching a picture, it must have not worked). HERE IT IS: A plastic piece was being analyzed by floatation methods. The piece of plastic was suspended in a solution whic…
(i) (4 marks) Calculate the resolution of both columns X and Y. (ii) (4 marks) C
(i) (4 marks) Calculate the resolution of both columns X and Y. (ii) (4 marks) Calculate the number of theoretical plates in both columns X and Y. (iii) (2 marks) Calculate the H …
(i) (5 points) Calculate the equilibrium constant at 60°C and 75°C for glucose i
(i) (5 points) Calculate the equilibrium constant at 60°C and 75°C for glucose isomerase. This enzyme is used extensively in the United States for production of high-fructose syru…
(i) A & B 1(constitutional isomers , enantiomers,diastereomers , identical molec
(i) A & B 1(constitutional isomers , enantiomers,diastereomers , identical molecules or No reletionship) (ii) A & C 2(constitutional isomers , enantiomers,diastereomers , …
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