111年hce_kmu — 物理及化學

共 90 題 · 含 AI 詳解

#1 $1.25 \times 0.25 + 1.222 = $______. › #2 Over a short interval near time $t = 0$ the coordinate of a bicycle in meters is… › #3 A $8000\text{-N}$ trunk is pushed along a level road by two men who apply a tota… › #4 An incompressible fluid of density $\rho$ is in a bucket on the elevator floor a… › #5 The figure shows a standing wave pattern in a string. What is the wavelength of… › #6 The figure shows four situations in which a source of sound S and a detector D a… › #7 What is the deterministic factor of a sound wave for the sound pitch? › #8 A sample of an ideal gas is taken through the cyclic process abca shown in the f… › #9 An engine does $15\text{ kJ}$ of work while exhausting $37\text{ kJ}$ to a cold… › #10 The point P lies along the perpendicular bisector of the line connecting two lon… › #11 Consider radio waves (r), visible light (v), infrared (i), X-rays (x), and ultra… › #12 An erect object is in front of a convex mirror a distance greater than the focal… › #13 The major physics principle that supports endoscope is ______. › #14 If we increase the wavelength of the light that falls on the metal in a photoele… › #15 For the particles listed below with the same kinetic energy, which has the short… › #16 In the given reaction coordinate diagram, how many intermediate(s) is/are presen… › #17 How many nanometers is equal to $7.6\text{ meters}$? › #18 A specific type of nucleus has a half-life of $40\text{ min}$. How long is requi… › #19 Which of the following ionic compounds has the largest lattice energy (i.e., the… › #20 Determine the hybridization of Cl in $ClF_2^-$. › #21 Determine, respectively, the proper formulas for sodium tetrachloroaluminate(III… › #22 What is the sum of all coefficients when the following equation is balanced?… › #23 A compound is composed of element X and hydrogen. A mass analysis shows the comp… › #24 Which of the following statements is incorrect? › #25 Regarding to the concept of reduction and oxidation, which of the following stat… › #26 You have immersed electrodes of a light bulb in a solution of $H_2SO_4$ such tha… › #27 Which of the following anions is the most basic? › #28 Which of the following element or ions is the largest in size? › #29 Which of the following molecules has the largest dipole moment? › #30 I. The hybridization of boron in $BF_3$ is $sp^3$. II. The molecule of $I_3^-$ i… › #31 The velocities of drivers A and B are shown as functions of time in the figure b… › #32 A uniform cord has the mass per unit length $\lambda$ and it is arranged as that… › #33 As shown in figures (a) and (b), a constant force $F$ is applied to the two cont… › #34 A force of $\vec{F} = 3x^2\hat{i} + 4y\hat{j}$ acts on a particle, changing only… › #35 A block of mass $2\text{ kg}$ on a table is pushed by a force of $20\text{ N}$ d… › #36 A bullet is hitting and getting stuck in a wood cube, which is sitting on a fric… › #37 An estimated force-time curve for a baseball struck by a bat is shown in the fig… › #38 A ball of mass $m$ is released from a height of $H$. What is its speed when it i… › #39 A wheel of radius $R$ and moment of inertia $I$ is mounted on a frictionless hor… › #40 A block with a speaker bolted to it is connected to a spring having spring const… › #41 A wire of length $L$, Young's modulus $Y$, and cross-sectional area $A$ is stret… › #42 A balloon filled with air is pulled into a tank of water at room temperature. As… › #43 Ethanol of density $\rho_E$ flows smoothly through a horizontal pipe that tapers… › #44 An ideal monoatomic gas of one mole is at pressure $P$, volume $V$, and temperat… › #45 The figure shows a closed cycle for a gas. From c to b, $60\text{ J}$ is transfe… › #46 A quantity of an ideal gas is compressed to half its initial volume. The process… › #47 An ideal parallel-plate capacitor connected to a battery of voltage $V_0$, it ha… › #48 A group of identical capacitors is connected first in series and then in paralle… › #49 A cylinder contains $n\text{ mol}$ of helium gas (ideal monatomic gas) at a temp… › #50 The switch is connected to position $a$ for a long time interval as shown in the… › #51 An infinite long wire is charged uniformly with line charge density $\lambda$. W… › #52 A charge $+q$ is at the position $a$ and a second charge $-q$ is placed at $-a$… › #53 A 30-turn circular coil of radius $1\text{ m}$ and resistance $1\text{ }\Omega$… › #54 Electric currents $I_1$ and $I_2$ are flowing through two parallel electric wire… › #55 While you are under water in a pool, you look up and see objects above water in… › #56 The pupil of a cat's eye narrows to a vertical slit of width $0.5\text{ mm}$ in… › #57 The focal length of a spherical, concave mirror is $8\text{ cm}$. An object is p… › #58 In a lecture demonstration of single-slit diffraction, a laser beam of wavelengt… › #59 An AC voltage source is connected to a capacitor. There is a phase difference be… › #60 MRI machine probes the concentration distribution of water molecules by detectin… › #61 When a certain atom emits a photon of light at $232\text{ nm}$, what is the freq… › #62 Given a cylinder of fixed volume filled with $1\text{ mol}$ of argon gas, which… › #63 Which of the following statements is true? › #64 What is the hybridization of the central carbon atom of allene ($H_2C=C=CH_2$)? › #65 How many of the following molecules have all of their atoms in the same plane?… › #66 Which of these species, $O_2^-$, $O_2$, and $O_2^+$, should be paramagnetic? › #67 Based on the molecular orbital theory, which of the following molecules has the… › #68 Which of the following molecules has the smallest bond angle? › #69 Which of the following statements is false? › #70 Rank the following compounds in the order from the highest boiling point to the… › #71 The reaction "A + 2B $\rightarrow$ 2 C" exhibits the rate law as following: $\text{Rate} = k \text{[A][B]}^2$… › #72 Consider the following reaction: $N_2(g) + 3 H_2(g) \rightleftharpoons 2 NH_3(g)$… › #73 Consider the following reaction at equilibrium. Which change will cause the equi… › #74 How many of the following will raise the pH of a weak acid HA in aqueous solutio… › #75 What is the point group of triphenylphosphine? › #76 Consider a galvanic cell based on the following reactions: $2 Au^{3+} + 3 Mg \rightarrow 2 Au + 3 Mg^{2+}$… › #77 What type of radioactive process would be expected in the following reaction?… › #78 Which of the following complexes can exhibit optical isomerism? › #79 Which one of the following is paramagnetic? › #80 A formula of a certain compound is $[M(NH_3)_5Cl]Cl_2$, where the M is a type of… › #81 Two well-known complex ions containing Ni are $[Ni(H_2O)_6]^{2+}$, which is gree… › #82 Which of the labeled C-H bond is the weakest? › #83 Which of the following alkenes generates the greatest heat upon hydrogenation? › #84 What is the structural relationship of the following two compounds? › #85 A tetracyclic compound, aldrin ($C_{12}H_8Cl_6$), was used as an insecticide. Ho… › #86 Which of following structures presents the most stable conformation of cis-1-eth… › #87 Determine the most acidic compound shown below. › #88 Peramivir has shown to be effective against the influenza B virus. Rank followin… › #89 Arrange the following arenes in the decreasing reactivity toward $HNO_3/H_2SO_4$… › #90 Which compound exhibits only two signals in its $^1H$ NMR spectrum, a triplet an… ›