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• #### Given the half reactions below, what would be the standard cell potential (E° cell) in volts...

Given the half reactions below, what would be the standard cell potential (E° cell) in volts for the reaction below? (Report answer with 2 decimal places) 2 Cr3+ (aq)+3 Mn (s) 3 Cr (s) +3 Mn2+ (aq) Cr3+ (aq) +3 e Cr (s) Eored0.50 V Mn2+ (aq) 2 e-Mn (s) E red -1.18 v

• #### Ex. 192. Refer to the system in Fig. 192 Determine the closed loop transfer function C/R...

Ex. 192. Refer to the system in Fig. 192 Determine the closed loop transfer function C/R = (As+B)/(s+D) where G1=41, G2=1/(s+30), G3=17. Determine A,B,D. ans:3 Figure 192 G1 - G2 --) R (s) C(s) BLOCK DIAGRAM R 1 G1 G2 C SIGNAL-FLOW GRAPH -G3

• #### A simple harmonic oscillator consists of a block of mass 1.91 kg attached to a spring...

A simple harmonic oscillator consists of a block of mass 1.91 kg attached to a spring of spring constant 100 N/m. When t = 1.00 s, the position and velocity of the block are x = 0.124 m and v = 3.417 m/s. A. What is the amplitude of the oscillations?      Answer: 0.488 m B. What was the position...

• #### 7.2.6 Question Help Let fit) be a function on [O, oo) The Laplace transform of f...

7.2.6 Question Help Let fit) be a function on [O, oo) The Laplace transform of f is the function F defined by the integral F(s)-t)dt. Use this definition to determine the Laplace transform of the following function f(t)cos bt, b a constant The Laplace transform of f(t) is F(s): D Пре an expression using s as the variable ) It...

• #### I have to find the lower and upper bound.. Please help! mple random sample of size...

I have to find the lower and upper bound.. Please help! mple random sample of size n-40 s drawn rom a population. The sample mean s oun to be x = 20.7 and the sample standard devia on s und to be s 12.9. ons uct a 99 % con der ce ter a or e population mea The lower...

• #### The type could be a combination, decomposition, single substitution, metathesis, or none of the above. Thanks in advance...

The type could be a combination, decomposition, single substitution, metathesis, or none of the above. Thanks in advance! Classify each chemical reaction: Туре Reaction FeCl2(aq) Na2s (a q) 2Na Cl (a q) + FeS (s) choose one Fe(s) CuSO4 (aq) FeSO4 (aq)Cu (s) choose one CuSO4(aq)ZnCrO,(aq) ZnSO4(aq) CuCrO4(s) choose one

• #### Consider the closed-loop system shown in following. Determine the range of K for stability. Assume that...

Consider the closed-loop system shown in following. Determine the range of K for stability. Assume that K>0. (Hint: using Routh’s Method) R(s) C(s) S-2 K (s + 1)(52 +65 + 25)

• #### PLease simplify your answer at the end and make sure they are not still in integral....

PLease simplify your answer at the end and make sure they are not still in integral. Use Stokes' Theorem (in reverse) to evaluate Sf (curl F) • nas where F = 5yzi + 9x j +2yze+ k ,S is the portion of the paraboloid z = fax? + y2 for 0 s z s 3, and the unit normal on...

• #### If you can show your work, I would appreciate it. Thank you! At 1000 K, K,...

If you can show your work, I would appreciate it. Thank you! At 1000 K, K, = 19.9 for the reaction Fe2O3(s) + 3 CO(9) = 2 Fe(s) + 3 CO2(g). What is the value of K, for the reaction 12 Fe(s) +18 CO2(g) = 6 Fe2O3(s) +18 CO(g)? Express your answer using three significant figures.

• #### Kerosene at 20°C flows through a contraction section as shown. A pressure gage connected between the...

Kerosene at 20°C flows through a contraction section as shown. A pressure gage connected between the upstream pipe and throat section shows a pressure difference of 14 kPa. The gasoline velocity in the throat section is 12 m/s. What is the velocity (m/s) in the upstream pipe? 12m/s Kerosene at 20° C 14kPa VA = m/s Click here to access...