請問第39（1）怎麼計算⋯？🙏😭

TOOTH tools to Across a thin cell membrane, the solution pH changes from 7.2 to 5.2, Calculate the electric potential difference across the membrane. Ans.0.59210 Juoi blogs (2) Which side (7.2 side or 5.2 side) has a higher potential? ole (1)0.11832V; obri. (2) pH = 5.2 VI VARI 12 Lynsm wol/25 (103台大A) osups mis 5.2

請問各位有解答嗎 期末藝能科要考試😭 因為沒有體育所以放在讀書計畫抱歉抱歉

國家教育研究院審定 健康與體育領域 普審字第108115號 力 PHYSICAL 13 莊秀婉等 編著 方進隆、卓俊辰、李佳融 體育2 EDUCATION Keep Going/ VUIDA

求解投資學！謝謝🙏

LG5 P10.15 Red Electrica España SA (E.REE) is refinancing its bank loans by issuing Eurobonds to investors. You are considering buying $8,000 worth of these bonds, which will yield 7%. You are also looking at a U.S. bond with similar risk that will yield 4%. You expect that interest rates will not change over the course of the next year, after which time you will sell the bonds you purchase now. a. How much will you make on each bond if you buy it, hold it for one year, and then sell it for $8,000 (or the Eurodollar equivalent)? b. Assume the dollar/euro exchange rate goes from 1.3 to 1.0. How much will this currency changes affect the proceeds from the Eurobond? (Assume you receive annual interest at the same time you sell the Eurobond.)

第三小題錯在哪裡

3.)* True/false: Find the incorrect conclusions from the following sentences and correct them. (12 points) b H2 •T2 H An ideal gas changes its states isothermally through a chemical reaction. AH is zero because AH is equal to Cp x AT. H TI ® The pressure change does not contribute to the energy state (U or H) of ideal gases. P * Figure 1 is correct for illustrating the enthalpy state of real gases. Fig. 1 AT1 ATL+1a na:daalraa ahonnan kantot fo. U +- IT 1.1 D1

求解

OUTSOUNDS 39. EFFECT OF DEMAND FOR SMOKE ALARMS ON PRICE The demand function for the Sentinel smoke alarm is given by - 30 p = d(x) = 0.02x2 + 1 Bibs ist bowo 101 zigoloidla where x is the quantity demanded (in units of a thousand) and p is the unit price in dollars. Use differ- entials to estimate the change in the price p when the quantity demanded changes from 5000 to 5500 units per week.

89題 謝謝

18 = volume increasing at this is 39. Bone mass In Example 1.1.6 we found an expression for the mass m of a human femur of length L in terms of the outer radius r, the inner radius rin, and their ratio k = lin/r. More generally, if the bone density is p, measured in g/cm°, then bone mass is given by the equation trạL[p - (0 - 1)k?] - - m = It may happen that both p and k change with age, t. P (a) If p changes during aging, find an expression for the rate of change of m with respect to t. (b) If k changes during aging, find an expression for the rate of change of m with respect to t.

求解答案是否正確

Multiple-choice questions: (70 points) write the letter of statement that is not true: 1. A.B.U The Drude Model: (a) It is a classical approach using concepts from the kinetic theory of gases. (b) A relaxation-time approximation is used where the probability of collision is l/t. (c) No forces act on the electrons in between collisions. (d) It predicts accurately the electronic heat capacity of metals. 2. The Sommerfeld Model: (a) The crystal potential is replaced by an average Coulomb potential. (b) The separation of states is so close that a continuum model can be applied. (c) The electrons are highly localized due to a strong crystal potential. (Q) The energy of the highest occupied state at 0 K is the Fermi energy. 3. Density of states in k-space, N(k): (a) N(k) is determined by the boundary value conditions. (b) For lattices in any dimensions, N(k) is constant in k-space. (C) N(k) depends on the direction and magnitude of k. (d) It is directly proportional to the volume of the crystal. E影響, c 4. The Fermi surface of a metal: (a) is responsible for many of the transport properties of the metal, (b) depends on the nature of the chemical bonds, (c) is always a sphere, (d) can involve mixing of electron orbitals. ✓ 5. The conductivity of a material () increases with the mobility of its carriers, (b) increases with the density of carriers, (C) it is inversely proportional to the energy gap. cogu changes with temperature. 6. BID Plasmons: (a) They are an important characteristic of the Sommerfeld electron gas model. (b) Plasmons occur spontaneously in metals. (c) They are related to charge density oscillations. (d) The Plasmon energy is typically of the order of 10 eV. The Fermi energy Ef in intrinsic semiconductors 8) is usually close to y E, at OK (b) it ACiD. can increase or decrease with temperature depending on the ratio of hole and electron effective masses, (c) it represents the point at which the probability of occupation is 12, even though there may not been any states with that energy, (d) its value relative to the electronic bands must remain unaffected in the presence of defects or interfaces.

請幫助我這一題cash flow的問題，拜託大家，謝謝

Qun: Chl3 part 3 Powell Corporation's comparative statements of financial position are presented below. POWELL CORPORATION Comparative Statement of Financial Position December 31 2020 Land € €18,000 Buildings 70,000 Accumulated depreciation-buildings ( (15,000) Accounts receivable 18,200 Cash 21,570 Total €112,770 2019 €26,000 70,000 ( (10,000) 23,400 10,700 €120,100 Common Stock Retained eamings Accounts payable Total € €75,000 25,400 12.370 €112,770 € €69,000 20,000 31,100 € €120,100 Additional information: 1. Ignore income tax. Netincome was €27,900. Dividends declared and paid were €22,500. 2. All other changes in non-current account balances had a direct effect on cash flows, except the change in accumulated depreciation. The land was sold for €5,900. Instruction Prepare a statement of cash flows for 2020 using the indirect method.

化工-單元操作 大神求解

13. Furnace stack-E. Air (pe = 0.08 lbm/ft3) flows through a furnace where it is burned with fuel to produce a hot gas (Pg 0.05 lbm/ft3) that flows up the stack, as in Fig. P1.13. The pressures in the gas and the immediately surrounding air at the top of the stack at point A are equal. A Gas out A Air Air H= 100 ft Gas Air in Furnace B Ah Water manometer (relative positions of levels not necessarily correct) Fig. P1.13 Furnace stack. What is the difference Ah (in.) in levels of the water in the manometer con- nected between the base B of the stack and the outside air at point C? Which side rises? Except for the pressure drop across the furnace (which you need not

請問有人會這部分嗎謝謝🙏

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