110年hce_kmu — 物理及化學

共 90 題 · 含 AI 詳解

#1 If the diameter of the hydrogen atom is scaling up to the $400\text{ m}$ track p… › #2 Since 2019, the magnitudes of all SI units have been defined by declaring exact… › #3 The graph below shows the angular acceleration $\alpha$ of a bicycle tire. Durin… › #4 A ball rolls down and leaves a slope at an angle of $30^\circ$ above the horizon… › #5 Newton’s coefficient of restitution is defined by Coefficient of restitution… › #6 The ballistic pendulum has mass $10\text{ kg}$. A bullet of $300\text{ g}$ moves… › #7 Compared to the graph below, which graph in choices shows that the amplitude and… › #8 A tube with three openings has three different cross-sectional areas (A1:A2:A3 =… › #9 Which of the following answers is a correct description of the corresponding pro… › #10 Two waves traveling in opposite directions interfere to produce a standing wave… › #11 When the same temperature increase in a system, the change in entropy, $\Delta S$… › #12 Four capacitors are connected as shown in the figure. How much is the total char… › #13 Which of the following is correct for visible light through a prism? › #14 In an atom, how many electrons can be contained at most at the $4^{\text{th}}$ o… › #15 An energy of $13.6\text{ eV}$ is needed to ionize an electron from the ground st… › #16 For the process… › #17 Which of the solvents shown below could best dissolve $\text{KBr}$? › #18 Which of the following options best describes the relationship between the follo… › #19 Please calculate the specific heat capacity of a metal if $15.0\text{ g}$ of it… › #20 Which of the following structures contains the central atom which has a formal c… › #21 What is the molecular shape of $\text{IF}_3$ using the VSEPR theory? › #22 What are the hybridization state and geometry of the nitrogen atom in the follow… › #23 How many asymmetric carbons are presented in the compound below? › #24 The chemical compound “ethylenediaminetetraacetic acid, EDTA” is a chelating age… › #25 Which one of the following molecules has a dipole moment but without polarity? › #26 Consider the following processes:… › #27 CdS can be described as cubic closest packed anions with the cations in tetrahed… › #28 For the reaction $3\text{A}(g) + 2\text{B}(g) \rightarrow 2\text{C}(g) + 2\text{D}(g)$… › #29 What is the number of the half-lives required for a radioactive element to decay… › #30 Identify the element of Period 2 which has the following successive ionization e… › #31 Based on an order-of-magnitude estimate, what is the radius of the Earth in the… › #32 A part of the square that has sides of length L is removed from one corner. The… › #33 The string and the pulley are massless, and the coefficient of static and kineti… › #34 Aluminum Rod #1 has a length $L$ and a diameter $d$. Aluminum Rod #2 has a lengt… › #35 A toy car is running on a banked circular track of radius $10\text{ m}$, as show… › #36 A small block of mass $m$ rests on the sloping side of a triangular block of mas… › #37 The four tires of an automobile are inflated to a gauge pressure of $2.0 \times 10^5\text{ N/m}^2$… › #38 A $2\text{-kg}$ block slides down a frictionless incline from point A to point B… › #39 On a bridge, a man (weight = $70\text{ kg}$) plays bungee jumping by tying himse… › #40 How much energy is required to move a mass $m$ object from the Earth’s surface t… › #41 A styrofoam container used as a picnic cooler contains a block of ice at $0^\circ\text{C}$… › #42 How much is the internal energy change of a gas that expands from $i$ to $f$ as… › #43 A solid melt at $100^\circ\text{C}$ by absorbing $2450\text{ kJ}$ heat. How much… › #44 What is the efficiency if a Carnot engine transfers $9.5 \times 10^3\text{ J}$ o… › #45 Water pressurized to $3.5 \times 10^5\text{ Pa}$ is flowing at $5.0\text{ m/s}$… › #46 A hydraulic jack with two pistons is shown in the figure. The radii are $10\text{ cm}$… › #47 A car approaches a stationary police car at $36\text{ m/s}$. The frequency of th… › #48 A mass-spring system is shown in the figure where the spring constant $k = 100\text{ N/m}$… › #49 A block (m1) with a weight of $10\text{ kg}$ was placed on a wooden bar with a w… › #50 Halley's comet moves about the Sun in an elliptical orbit with its closest appro… › #51 A rod of $0.3\text{ m}$ carries a current of $I = 48.0\text{ A}$ in the directio… › #52 Three point charges align along the $x$-axis as shown in the figure. What is the… › #53 Two parallel thin planes of charge electrical charge density $2.5 \times 10^8\text{ C/m}^2$… › #54 The voltage across a parallel-plate capacitor is measured to be $92.5\text{ V}$.… › #55 An AC generator consists of 6 turns of a wire. Each turn has an area of $0.040\text{ m}^2$… › #56 It is known that the magnetic field of $0.17\text{ T}$ can cause an $\text{O}_2^+$… › #57 What is the electric flux through a surface in between two parallel planes shown… › #58 A solenoid with 200 turns of copper wires is operated by a $1000\text{ V}$ power… › #59 For a convex mirror with radius of curvature $R = 10\text{ cm}$, if an object is… › #60 For a bi-concave thin lens, the radii of curvature are $10$ and $20\text{ cm}$.… › #61 Select the answer with the correct number of decimal places for the following su… › #62 Detection of radiation by a Geiger-Müller counter depends on ______. › #63 Please calculate the $\Delta S$ if $\Delta H_{\text{vap}}$ is $66.8\text{ kJ/mol}$… › #64 Which of the following values is based on the Third Law of Thermodynamics? › #65 What are the values of bond order belonging to $\text{O}_2^-$ and $\text{O}_2^+$… › #66 The lattice energy of $\text{NaI}(s)$ is $-686\text{ kJ/mol}$, and its heat of s… › #67 According to molecular orbital, which of the following molecules is diamagnetic? › #68 Consider the figure, which shows $\Delta G^\circ$ for a chemical process plotted… › #69 Acetone can be easily converted to isopropyl alcohol by addition of hydrogen to… › #70 How many of the following molecules exhibit resonance: $\text{NO}_2^-$, $\text{O}_3$… › #71 One mole of X(g) and one mole of Y(g) are mixed in a closed reactor in the prese… › #72 Consider an adiabatic and reversible expansion process from state I to state II.… › #73 When a $1.00\text{ mL}$ of the $3.55 \times 10^{-4}\text{ M}$ solution of organi… › #74 What is the volume of $\text{O}_2(g)$ generated when $22.4\text{ g}$ of $\text{KClO}_3$… › #75 What is the appropriate representation of the repeating unit of the following po… › #76 Which of the following structures is the major form of the lysine at the $\text{pH} = 14$… › #77 Which of the followings is a correct set of quantum numbers for an electron in a… › #78 Which of the following complexes will absorb visible radiation of the shortest w… › #79 Please choose the most stable cation? › #80 Which of the following statements about “The Bohr Model” and “Particle in a Box”… › #81 Which of the following statements concerning a face-centered cubic unit cell and… › #82 Which of the followings will give a solution with a $\text{pH} > 7$, but is not… › #83 Pentane, $\text{C}_5\text{H}_{12}$, boils at $35^\circ\text{C}$. Which of the fo… › #84 Five molecules are shown as below. Which one has the highest ionic strength? › #85 Hydroxylamine nitrate contains $29.17\text{ mass }\% \text{ N}$, $4.20\text{ mass }\% \text{ H}$… › #86 Given the following two standard reduction potentials,… › #87 The rate law for a reaction is found to be $\text{Rate} = k[\text{A}]^2[\text{B}]$… › #88 When the redox reaction in basic solution:… › #89 Which of the followings is the best representation of the titration curve which… › #90 The students used salicylic acid and acetic anhydride to synthesize aspirin in t… ›