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Question 23 (1 point) ✓ Saved The molar heat of vapourization of water is...
this is the rest of one of the problems can you please help (e) For each...
this is the rest of one of the problems can you please help
(e) For each pairing, circle the system (State 1 or State 2) that has the higher entropy (or choose “SAME"). Assume that T and P are the same for each system unless stated otherwise. **NOTE: You must make THREE circles here--this is not a "multiple choice" question.** State 1 State 2 i) 1 mol Na(s) OR 1 mol Li(s) OR SAME ii) 2 mol CH4(g) in 10...
I was wondering if someone could help me with some problems on my test, my teacher...
I
was wondering if someone could help me with some problems on my
test, my teacher allows me to correct them then give them back for
1/2 credit. Along with the correct answer for each I'd like to know
why the answers are wrong and why the new answer is correct. The
questions with a red mark are the incorrect ones.
12 An unknown hydrocarbon compound (containing only hyd own hydrocarbon compound (containing only hydrogen and carbon) was analyzed for...
check the multuple choice I filled out and help with the ones i left blank please!!...
check the multuple choice I filled out and help with the ones
i left blank please!!
Problem Set Seven (15 points) Chapter 7 and the beginning of 8 Due: Mon, Mar 16 at the beginning of class Multiple Choice Section (0.5 pt each) 1. Which of the compounds below contains a socechy (1) alkyl halide? R-X Primary 3. Which of the following alkyl halides will undergo the fastest Sl reaction with ethanol (HOCH.CH.)? IV a) -Bromo-1-methylcyclopentane (b) 1-Bromobutane (c) Cyclohexyl...
Question 7 0.77 pts Title q7a7 Which of the following pairs of species, when mixed together in water in proper ratios,...
Question 7 0.77 pts Title q7a7 Which of the following pairs of species, when mixed together in water in proper ratios, would provide a buffer solution? Think each pair through very carefully in terms what species will form when they dissolve in water, and how they can then (potentially) react with water Refer to the table of strong acids/bases on the exam information sheet if you don't have them memorized yet. () KOH and NH4CI (ii)HCI and NH4CI (liI) NH3...
need help, convert them like below pic S. OH- t. 10 w. CIO2 2- X. CO24...
need help, convert them like below pic
S. OH- t. 10 w. CIO2 2- X. CO24 y. HSO3 z. CIO, u. HCO3- v. 104 5. Ionic Compounds with Polyatomic lons & Constant Charge lons a. CaCO3 i. potassium hydroxide b. KCIO j. beryllium hydroxide C. CASO k. strontium acetate d. Li2SO3 I. ammonium oxide e. Ag3PO4 m. silver cyanide f. NH,F n. zinc carbonate g. Al(NO2)3 0. aluminum bicarbonate h. Ba(HCO3)2- p. magnesium phosphate b. NiP04 6. Tonic Compounds with...
QUESTION 1 Virtual Memory is a technique that makes excellent use of available space on a...
QUESTION 1 Virtual Memory is a technique that makes excellent use of available space on a hard drive, to temporarily store data that would otherwise require massive amounts of main memory (RAM). True False 2 points QUESTION 2 Which of these allocation schemes require the entire program to be loaded before execution can begin? I. Segmented/Demand paged II. Paged III. Segmented IV. Demand paged 2 points QUESTION 3 Select the advantages of the First-In First-Out page replacement policy...
(d) 0.10 mol of an ideal gas undergoes an isothermal (constant temperature) process 1 to 2...
(d) 0.10 mol of an ideal gas undergoes an isothermal (constant temperature) process 1 to 2 as shown in the P-V diagram below. The net heat transfer (Q) during this process is: (Conversion: 1 atm = 1.013 x 10° Pa and 1 cm = 10) p (atm) 2 1 0 V(em) 1000 2000 3000 (i) 200 (ii) 334) (iii) 400 (iv) 600 (v) 230 (vi) 0J (e) Given an ideal gas which consists of only 10 atoms. Each atom has...
Hi could you please provide detailed workings for this question? thanks! Questions 1 & 2 refer to the solubility of...
Hi could you please provide detailed workings for this question?
thanks!
Questions 1 & 2 refer to the solubility of lead chromate, PbCr04: PbCrO4(s) = Pb2+(aq) + Cro4? (aq) 1. The Ksp for PbCrO4 is 2.0 x 10-16 at 25 °C. What is the solubility of PbCr04 in mol L´?? a) 1.4 x 10-8 b) 2.8 x 10-8 c)2.0 x 10-16 d) 7.1 x 107 e) 5.0 x 1015 2. If 5.0 mL of 1.0 x 10-M Pb(NO3)2 is added...
please show steps, focus on part b more 1. (23 points) Sampling and Aliasing. (a) Find...
please show steps, focus on part b more
1. (23 points) Sampling and Aliasing. (a) Find the Nyquist sampling rate wn for the given x(t). (Recall that the sampling frequency has to be twice larger than the bandwidth of the signal to recover the signal without loss of information.) i. (5 pts) X(t) = sinc(5000) * cos(7t). ii. (5 pts) r(t) = sin(101) cos(106) iii. (5 pts) (t) = sinc(50000) + cos(56) (b) (8 pts) Let r(t) = sinc(t/h), y(t)...
Please help with solving Question 1 (A-C) Thank you! Unless otherwise specified in the problem, you...
Please help with solving Question 1 (A-C) Thank you!
Unless otherwise specified in the problem, you may assume that all solutions are at 25°C. 1. 50.0 mL of a pH 6.00 carbonic acid buffer is titrated with 0.2857 M NaOH, requiring 17.47 mL to reach the second equivalence point. a. Calculate the molarity of carbonic acid and bicarbonate in the original buffer. Carbonic acid: Bicarbonate: b. Calculate the pH of the solution after a total of 100.0 mL of 0.2857...
this is the rest of one of the problems can you please help
(e) For each pairing, circle the system (State 1 or State 2) that has the higher entropy (or choose “SAME"). Assume that T and P are the same for each system unless stated otherwise. **NOTE: You must make THREE circles here--this is not a "multiple choice" question.** State 1 State 2 i) 1 mol Na(s) OR 1 mol Li(s) OR SAME ii) 2 mol CH4(g) in 10...
I
was wondering if someone could help me with some problems on my
test, my teacher allows me to correct them then give them back for
1/2 credit. Along with the correct answer for each I'd like to know
why the answers are wrong and why the new answer is correct. The
questions with a red mark are the incorrect ones.
12 An unknown hydrocarbon compound (containing only hyd own hydrocarbon compound (containing only hydrogen and carbon) was analyzed for...
check the multuple choice I filled out and help with the ones
i left blank please!!
Problem Set Seven (15 points) Chapter 7 and the beginning of 8 Due: Mon, Mar 16 at the beginning of class Multiple Choice Section (0.5 pt each) 1. Which of the compounds below contains a socechy (1) alkyl halide? R-X Primary 3. Which of the following alkyl halides will undergo the fastest Sl reaction with ethanol (HOCH.CH.)? IV a) -Bromo-1-methylcyclopentane (b) 1-Bromobutane (c) Cyclohexyl...
Question 7 0.77 pts Title q7a7 Which of the following pairs of species, when mixed together in water in proper ratios, would provide a buffer solution? Think each pair through very carefully in terms what species will form when they dissolve in water, and how they can then (potentially) react with water Refer to the table of strong acids/bases on the exam information sheet if you don't have them memorized yet. () KOH and NH4CI (ii)HCI and NH4CI (liI) NH3...
need help, convert them like below pic
S. OH- t. 10 w. CIO2 2- X. CO24 y. HSO3 z. CIO, u. HCO3- v. 104 5. Ionic Compounds with Polyatomic lons & Constant Charge lons a. CaCO3 i. potassium hydroxide b. KCIO j. beryllium hydroxide C. CASO k. strontium acetate d. Li2SO3 I. ammonium oxide e. Ag3PO4 m. silver cyanide f. NH,F n. zinc carbonate g. Al(NO2)3 0. aluminum bicarbonate h. Ba(HCO3)2- p. magnesium phosphate b. NiP04 6. Tonic Compounds with...
(d) 0.10 mol of an ideal gas undergoes an isothermal (constant temperature) process 1 to 2 as shown in the P-V diagram below. The net heat transfer (Q) during this process is: (Conversion: 1 atm = 1.013 x 10° Pa and 1 cm = 10) p (atm) 2 1 0 V(em) 1000 2000 3000 (i) 200 (ii) 334) (iii) 400 (iv) 600 (v) 230 (vi) 0J (e) Given an ideal gas which consists of only 10 atoms. Each atom has...
Hi could you please provide detailed workings for this question?
thanks!
Questions 1 & 2 refer to the solubility of lead chromate, PbCr04: PbCrO4(s) = Pb2+(aq) + Cro4? (aq) 1. The Ksp for PbCrO4 is 2.0 x 10-16 at 25 °C. What is the solubility of PbCr04 in mol L´?? a) 1.4 x 10-8 b) 2.8 x 10-8 c)2.0 x 10-16 d) 7.1 x 107 e) 5.0 x 1015 2. If 5.0 mL of 1.0 x 10-M Pb(NO3)2 is added...
please show steps, focus on part b more
1. (23 points) Sampling and Aliasing. (a) Find the Nyquist sampling rate wn for the given x(t). (Recall that the sampling frequency has to be twice larger than the bandwidth of the signal to recover the signal without loss of information.) i. (5 pts) X(t) = sinc(5000) * cos(7t). ii. (5 pts) r(t) = sin(101) cos(106) iii. (5 pts) (t) = sinc(50000) + cos(56) (b) (8 pts) Let r(t) = sinc(t/h), y(t)...
Please help with solving Question 1 (A-C) Thank you!
Unless otherwise specified in the problem, you may assume that all solutions are at 25°C. 1. 50.0 mL of a pH 6.00 carbonic acid buffer is titrated with 0.2857 M NaOH, requiring 17.47 mL to reach the second equivalence point. a. Calculate the molarity of carbonic acid and bicarbonate in the original buffer. Carbonic acid: Bicarbonate: b. Calculate the pH of the solution after a total of 100.0 mL of 0.2857...
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