請問有人知道這兩題的算法與答案嗎(´･ω･`)

運動與 力學 Problem6(填充題) A steel ball of mass mi = 80 g has an initial temperature Ti = 200 °C. It is immersed in m2 = 250 g of water in a copper cup of mass m3 = 100 g. The initial temperature of the water and cup is T2 = 20 °C Find the final temperature when the system reaches thermal equilibrium. (01小題) . ) SPECIFIC HEATS (20 °C AND 1 ATM) c (J/kg.K) 力學定律(25) 变(9) 與熱容量(24) P-LOS 想氣體與功(2 體運動論與內 TP-L06 NP-003 Aluminum Copper Gold Steel/Iron Lead Mercury Water Ice (-10 °C) C CJ/mol-K) 24.3 24.4 25.6 25.0 26.8 28.0 75.4 38 900 385 130 450 130 140 4190 2100 6.波動與光 7 近代物理 8.近代科技1 The final temperature= 分數= 3 可嘗試次數= 5 ° °C 相對誤差=0.05 目前剩餘2次,可繼續嘗試 9.近代科技2 : :29 10 近代科技3 量子電腦 这三 重設 X 三 VPYTHON 下午08 星期日 2021/6/13 https://physexp thu edu tw/AP/C/NP/NP-003/NP-003-T-06 php

求解第八題,懷疑答案有問題

~和. @ 035g (0 044g 辣MO we2o tx2| 0 9 凡 tw0史 2 當290 8 [What vofunme gf 0.100 說 Na3PO4 1s 上且和 to 元品 the leadq(CU Yons forrmn J50.0 mL of0.250 蕉Pb(NO3)2? 約 0 +和 同 AU> 2 20 1 2全 生 (0 5007淺 3 師) 375 7 (725五地 和2之 歡Z>

請問15怎麼算

了93 只 ifC20戰42 晤 証人人 h..C3E5OEH腑忍醇 量。 mV 心0 a. 4.25 g 的碘化錢,NH4I b. 6.31 mol 的硫化錢, CO ce. 971g的磷化外 和 d. 7.63 mol 的磷酸鈣, Ca3(PO4)2 時1

請問這題怎麼寫 有算出來(H2PO4)-和(HPO4)2-的莫耳數，但不知道該怎麼取

4, (15%) Describe the preparation of 1.0 Lof0.2 MpH6.O0PBS from the solid Of Na3PO4 and H3PO4. (mo1)

電磁學向量 求解2-15 拜託會的大大幫忙，感謝🙏

R2 試在 呈(0;一253) 上,求向量 A=-ayz十az沙 在吳 指向 為(V3,-60。 1 方 生才2虹公 PU2-16 某點的位置以圓柱座標表示人為 (4,2zr/3,3),則 (a) 在直角座標內。 這點的位置標示為何?

第1題和第5 6 7題，有大大能幫解出計算過程嗎？ 謝謝

略語上 點加圖點 Homework 1 1. 如圖,三個電荷分別在直角三角形的三個頂點 ,已知 qs=+1.0 hlC,qi的電量 為6.4 HC ,但不知電性 ,q2的電量和電性都未知 ; 電荷 q3 所受的合力在負x 軸方向。(a)考慮電荷 qm 和 q2 不同的電性 ,畫出四種受力的組合。(b)利用(a) 的結果求出電荷 q 和 q2 的電性? (c)計算出電荷 q2 的電量? (d)求出電荷 qs 所受的合力? 2. 一半徑為 R 的半圓形環上帶有均勻分佈正電荷 Q,求圓環中心的電場。 3. 如圖,兩長度 L 的棍子沿著 x軸方向放置,一根棍子在x=a/2 和x=a/2+L 之間,另一根棍子在x=-a/2-L 和 x=-a/2 的位置 ; 每一根棍子上的電量為Q 均勻分布在棍子上。。(a) 計算第二根棍子在正 x軸上所產生的電場? (b)證 明兩根棍子之間的相互作用力F=kQ7/L7*/g[(a+L) 2/(a*(a+2L))] 。 4. 如圖,一長度為 4cm 距離為 1cm 電場 E=10” N/C 的平行電板 ; 一個電子由 平行電板左邊中點以與水平夾角9=30" 射進平行電板。當電子直接射出平行 電板時,求電子速度範圍為何? 5. 一寬度為 d 的絕緣帶電厚板,它的電荷密度p= Cx ,此處 x為厚板內任一點 至厚板中心的距離,C 為一常數;厚板的y和z 方向延伸至無窮遠。試求空 間的電場(a)厚板外部 (lx| > d/2) (b) 厚板內部 (lx| < d/2)。 6. 半徑為R的無限長實心圓柱體帶有不均勻電荷密度分佈 電荷密度p =po(r/R), 給出的,其中po是常數,r 是距圓柱軸的距離。求出電場的r表達式。 7. 如圖,一個帶有均勻體積電荷密度p且半徑 2a 的非導體球,挖空球內的一個 半徑 a的小球裡的電荷 ; 證明小球內的電場 g =0和蕊=pa/(3&g09)- +lmc. 涼 / 一8一 4 2 K交 / 人 姜- ‧下co一一 六 2.L 二32 92 二32L 題1 題3 4em 生 唔 和 NC em 題4 題5

Why?

(2 4、2兩成份至少一個含氫鍵者,或極性分子與非極性分攝濕含時 為正偏差溶液,例:乙醇和水,酒精和CClh,丙酮和CSs 9) 在水中會解離者,為負偏差, 如醋酸和水,極性與極性分手間為 負偏差如丙酮和氛仿。

求圈起來的幾題

補史名www asftrppfysfts 600) For Thoughtand Diseussion tneuish the Aristotelian and Galilean/Newtonian views ofihe ball bounees ofrawall with the same speedithad beforeithit Wall Has its momentum changed? Hasaforoe acted on the 2 Has aforee acted on the wall? Relate your answers to New aws of motion ten use the term "inertias to deseribe human sluggishness 5this usage related to the meaning ofFsinertiae in physics? does aceiling fan continue to rotate even after you have vitched it ofP? Wek erashes into a Stalled cear A student trying to explain the es ofthis event claims thar no forees are involved: the car Tin the way”so itgot hit Commen foot astronaut kicks a ball, hard, across aspace station balls apparent weightlessness mean he astronauts toes 下avity on Jupiters moon Io is one-fifth that on Would happen te your weight and to your mass if nIo? tis the direcetion of momentum oFamoving body? Does it Fthe body: plane aceelerates down the munway, you take your keys r poeket and suspend them by a thread. Do they hang force from the chairon you. iir? Hnot, what forees are fxerrisesaned Problems 85 $ 還2620Groeoeoeardaoeos WiA poaor Wonoeno0 Op ir oa 20。 Staring frorm rest and undergoing constan acceleratiom,a920-kg ar covers 410 min $.15 8. Find the foree on the car 21 dropping dontest, a student encatses am 83-g cgg in large Styrofoam block. fs g emn'texceed 2.0N and 計the bloek hits the g pow mueh must the Styror jompress on impaet) Note: The aceelei assoeialed with stOppi gravity while the Styrofe the ground. 22. Inatront-end collision, a 1400-kg car with shockzabsorbing bump: ems can withstand amaximum force of 75kN before damage Gccurs: Hthe maximum speed foranondamaging collision is 9.0 kmzh, by Bow much must he bumper be able to move relative to the car? section 4.4 The Force ofGravity 23。 Show that the units of aceeleration can be written as N/kg- Why doesitmake sense to give gas 9.8 N/kg when talking about imass and weight? 24. Your spaceship crashes on one of the Sun's planets, Fortunately 上 the ship's scales are intact and show that your weightis 680 N.H your mass is 58 kg, where are you? (imr: Consult AppendixEE) Your friend can barely lift a 35-kg concrete block on E: massive ablock could she lift on the Moon? 26 Acereal box says "net weight 350 grams” Whats the actual Weight ta in SLunits and (b) in ounees? 27. Youre asafety engineerforabridge spanning the U,S-Canadian border. U.S. speeifications permit a maximum load of 10 tons What load iimit should you speeify on the Canadian side. where welght is given in kilograms? 28.。 The gravitational acceleration atthe lntermational Space Stations altitude is about 91凶 oFits surface value. Whats the weightofa 64-kg astronaut atthis altitude? ection 4.5 Using Newton's SecondLaw A 50-kg parachutist deseends atasteady 40 km/h. What foree does air exert on the parachute? 30, A 960-kg motorboat accelerates away from adock at2.1 m/s Its propellerprovides a3.9-kN thrust force. What drag force does the water exert on the boat? An elevator aceelerates downward at2.4 ms. What force does the elevator's floor exertona52-kg passengery 32. At 560 metric tons, the Airbus A-380 is the World's largest air- liner Whats the upward force on an A-380 when the plane is (am flying at constant altitude and (b) aceelerating upward at 15m/s2? 33. Yourre an engineer working on Ares 1 NASAs replacement tor the space Shuttles. Performance speces call for afirst-stage TOcket Gapable ofaccelerating atotal mass 0f 600 Me vertically ftom Testt0 7700 km in 1.7 min. Youre asked to determine tbe re- quired engine thrust (force) and the foree exerted ona79-kg as- tronaut during Tiftoff. What do you Teport? 34. You step into an elevatorand itacceleratesto adownward speed gfF8.8 mAS in 2.4 5 Quantitatively compare your apparent weight during thistime with youracetual weight, 44.6 NewtonsThirdLaw ional foree does 3 5600-kg elephant exer 必 63. she jumps ofta140-emhi過台 人 rdheras she falls?

請問這題要怎麼算 答案是E

tils the mass of 4 atom(s) of copper im grams?, 54.2 g-

請問一下，第45題怎麼算

96d nt” Chemieal EdUUDT LT 人 說 1 ction below ata certam 1 全 同 同 equilibrium ee 說 ii [Ho2] 三 0.0500 TE 、 ipid container are 總 人 2 抽 Ho(g) + 到(tg) 三一 2HF(g) /@巡 > 1 / 1 語全 全胸 : iibri mmIXtUure, 0 2 於 了 人 0.200 mole of Fz is added to this 1 gquilib- thee 2 caJcuJate the'corcentrations 9f a11 gases 1 )。 入 rium is reesfablished- 2 只汪 人 和 沿之 / (9 1100 K, 及p 0.25 for the following reactlon 1 三入 3 、 一一 所 全生 /4 2SQ23(g) 十 Qz(g) 二二 250O3(9 du Ttbe 選娘 an ial pressures of 502, 人2 te 全 了Cajculate the eduilibrium Partial pressure 人 同 葬 也62人 5O3 produced 自om an initfaL_mixrure In 8 oo 三 Po 王 0.50 atm and Pso, 三 0. 2人 三人 1和 宅及林用 生 ” 46. At 22002C 肥 三 0.050 for the reaction 2509 4 2 yy2(9) +O2(g) =二 2NO() 的 What js 和the partial pressure of NO at equilibrtum as 人選 9 suming he N2 and O2 had initial pressures of 0.80 atm 全 // -彈d 0.20 atm, respectively? @ / 32 5 相/ 和pe )f reactiOn_ we wi study is that having a very 汪 補- 六sma上有value (K<< 1 Solving for equilibrium concen- 一條0說人 frations jm an eduilibrium problem usually requires many mathematica| operations to be performed. How- 說 和 even the math involved in solving edquilibrium problems 。。 %6 2 Ina D6909 , for feactions having smal| K values (K << 1) 1s simpli- 527- fied. Whatassumption js made when solving equilibrium 1 Concentrations for reactions having small 太 values? 534 Le 台 戰 Whenever assumptions are made, they must be checked ler ? (吃 hdiry np general the 59 rule> is used to check t cd 旨 Me Vaudlty of assuming thatx (or 2x, 3x, and so on) is ga 只 sma compared to some number Whenx (or 2x, and so 1 less than 和