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Question: In a circuit with a 24V battery and two resistors of 8 ohms and 16 ohms in series, what is..
Question: If the current through a conductor is doubled, what happens to the resistance if the volta..
Question: What is the pH of a 0.001 M solution of sodium bicarbonate (NaHCO3)?Options: 8.47.09.06.5C..
Question: How many moles of potassium hydroxide are needed to neutralize 0.1 moles of hydrochloric a..
Question: What is the equivalent weight of sulfuric acid (H2SO4) for the purpose of neutralization?O..
Question: If 25 mL of 0.5 M acetic acid is mixed with 25 mL of 0.5 M sodium acetate, what is the res..
Question: What is the pH of a solution that has a hydrogen ion concentration of 1 x 10^-7 M?Options:..
Question: How many grams of sodium chloride are needed to prepare 0.5 L of a 0.2 M solution?Options:..
Question: What is the concentration of hydroxide ions in a solution with a pH of 11?Options: 1 x 10^..
Question: If 50 mL of 0.1 M sulfuric acid is neutralized by sodium hydroxide, how many moles of NaOH..
Question: What is the molarity of a sodium hydroxide solution if 0.4 moles are dissolved in 2 liters..
Question: What is the pH of a 0.01 M hydrochloric acid solution?Options: 1234Correct Answer: 1Soluti..
Question: What is the work done by a constant force of 10 N acting on an object that moves 5 m in th..
Question: Which of the following statements is true about the center of mass of a system?Options: It..
Question: What is the wavelength of a photon with a frequency of 6 x 10^14 Hz?Options: 5 x 10^-7 m3 ..
Question: In a closed system, if the temperature of an ideal gas is doubled while keeping the pressu..
Question: If the vector A = (2, 3) is scaled by a factor of 2, what is the resulting vector?Options:..
Question: What is the cross product of vectors A = (1, 2, 3) and B = (4, 5, 6)?Options: (-3, 6, -3)(..
Question: Find the scalar projection of vector A = (3, 4) onto vector B = (1, 0).Options: 3410Correc..
Question: If the vectors A = (1, 2) and B = (2, 1) are given, what is the angle between them?Options..
Question: What is the unit vector in the direction of the vector (4, 3)?Options: (4/5, 3/5)(3/5, 4/5..
Question: If the position vector of point P is (3, -2) and Q is (1, 4), what is the vector PQ?Option..
Question: What is the net ionic equation for the reaction between H2SO4 and NaOH?Options: H+ + OH- -..
Question: Which of the following is a characteristic of a weak acid?Options: Completely dissociates ..
Question: Which of the following compounds acts as a Brønsted-Lowry base?Options: HClNH3H2OCH3COOHCo..
Question: Which of the following acids is a strong acid in aqueous solution?Options: HClHFH2CO3CH3CO..
Question: If A = (x, y, z) and B = (1, 1, 1), find the scalar product A · B.Options: x + y + zx - y ..
Question: Find the value of k if the vectors A = (1, k, 2) and B = (2, 3, 4) are perpendicular.Optio..
Question: If A = (2, 0, -1) and B = (0, 3, 4), what is A · B?Options: -4068Correct Answer: 0Solution..
Question: If A = (a, b, c) and B = (1, 2, 3), find the value of a if A · B = 10.Options: 1234Correct..
