Reactions Please show all steps thank you so much! 2)2NH3 (CHOP-CHCH] impen AJ Then B)Kinetic C)Theme...
Chem 1 problem. Please answer all with steps.
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2. What is the change in energy associated with the transition of an electron from the n 4 energy level to the n 2 level in a hydrogen atom? What frequency of light does this correspond to? What wavelength of light does this correspond to?
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A sphere of radius 2.59 cm and a spherical shell of radius 7.47 cm are rolling without slipping along the same floor. The two objects have the same mass. If they are to have the same total kinetic energy, what should the ratio of the sphere's angular speed to the spherical shell's angular speed be? Wsph Wsph = 2 shil الها
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Chem 322 Problem Set 4 Due to Dr. Hietbrink by 3:00 on Monday 4-8-19 Circle your class: MWF 11:15, MWF 12:20, TTh 2:00 Fill in the missing compounds (1 point each) Name Class student # Score (out of 10) H2CrO4: a) LDA a) LDA : a) KOH 2) a) CH3MgBr PCC 3) b) Ht AICI a)LDA c) H, hot ...' a) DCC
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2. When 26.6 g of potassium chloride dissolves in 300.0 g of water, the temperature drops from 26.1°C to 11.7°C. The C of the calorimeter is 22.0 J/oC. cal (a) Write an equation for solid potassium chloride dissociating into ions when it dis- solves in water. (b) Is the reaction endothermic or exothermic? (c) What is the sign of AH? (d) What is the value of "q" for...
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9.2
Question 2 3 pts The expressions for the steady-state voltage and current at the terminals of a circuit are: Ys = 300 cos(5000t + 787 V lg = 6 sin(5000nt + 1237 A What is the impedance (in polar form) seen by the source?: By how many microseconds is the current out of phase with the voltage (express as positive quantity)?: ㄥ
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Solve the system Ax=b using the LU factorization of A and the matrix b given below. -2 0 0 1 -1 -2 7 A=LU= -2 -1 0 0 1 3 -17 2 -1 -2 0 0 1 -5 b= 12 12 -10 You can resize a matrix (when appropriate) by clicking and dragging the bottom-right corner of the matrix. The system has infinitely many solutions Number of Parameters:...
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Let Yi, Y2, ..., Yso be a sequence of exponentially distributed random variable with parameter λ=.4 , and Y-31/40, Find P(Y<2) 40
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2. Write the co ordinate v in R (with usual basis) in terms of the given basis S answer. 3. Determine whether the set S-$3,x, x-x spans P. Explain your
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15. Determine the output of th ollowing Ct+ code? int num346, sum 0; do wA sum-sum + num % 10; num = num / 10; cout < sum endl; while (num> e); rmine the output produced by the following code fragment? int i 11; i 1 i 4)10 9 cout << i << " ". i+t;...
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Question 1 Which of the following mechanistic steps represents the loss of a leaving group? OH OH2 H Br II 18-05-4 IV AI B. II C. D.IV Question 3 What is product of the following reaction sequence? ОН 1. PCC 2. C2H5MgBr 3. Н* wоrkup ОН ОН ОН IV ОА І В. І С. ІІІ OD. IV Question 4 What is the major product formed in the following reaction? Br NaH A NH2...