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A cylindrical iron wire of length 16 m is connected to the terminals of a .3 V battery. What is the diameter of the wire, in mm
A. Suppose you wanted to produce 1.00L of a 3.50 M aqueous solution of H2SO4. 1. What is the solute 2. What is the solvent 3. How many grams of solute are needed to make this solution
A 300-g mass at the end of a Hookean spring vibrates up and down in such a way that it is 2.0 cm above the tabletop at its lowest point and 16 cm above its highest point, Determine the amplitude of
what is the freezing point and boiling point of each of the following solutions: a)65.0g of glucose,C6H12O6, anonelectrolyte, added to .112kg of water. b).320 mol of sucrose, C12H22O11, a nonelectro
A resistor with 790? is connected to the plates of a charged capacitor with capacitance 4.26?F, What is the electrical power dissipated in the resistor just after the connection is made
which compartment (A or B) will increase in volume for each of the following pairs of solutions separated by a semipermiable membranes: a) A.20%(m/v) starch B.10%(m/v) starch. b) A.10%(m/v) albumin
A small, 300 g cart is moving at 1.10 m/s on an air track when it collides with a larger, 4.00 kg cart at rest, What is the speed of the large cart after the collision
You need to make a diluted solution of HCl. Your concnetrated acid is 12M. How many L of the 12M HCL will you need to make 0.76 L of a 1 M HCL solution? Your answer must inlcude units
A 2.00-kg package is released on a 53.1° incline, L = 3.93 m from a long spring with force constant 120 N/m, What is the maximum compression of the spring
How many moles (mol) are in 6.3 ml of a 0.25 M solution of NaOH. your answer must include units
Describe how you would prepare 500 mL of 1.75 M HCl solution starting out with an 8.61 M stock solution of HCl.
Molecular mass of a sample of 0.299 g of a gas in a 0.220 L bulb under a pressure of 0.757 atm and at a temperature of 250 C
A -49nC charge is distributed uniformly along the x-axis from x= -1.2m to x= 4m. Consider a point at y= 1.9m on the y-axis, What is the total magnitude of the electric field at the point
Given the following two half-reactions, write the overall balanced reaction in the direction in which it is spontaneous and calculate the standard cell potential.
A thin 11-cm-long solenoid has a total of 440 turns of wire and carries a current of 1.9A, Calculate the field inside the solenoid near the center
Three charges are at rest on the z axis: q1 = ?6.41 mC at z = 3.60 m, q2 = ?1.20 mC at z = 0 m, What is the potential energy of this system
0.5865 g sample of lactic acid (HC3H5O3) is burned in a calorimeter whose heat capacity is 4.812 kJ/ oC. The temperature increases from 23.10oC to 24.95oC.Calculate the heat of combustion of lactic
A vertical straight wire carrying an upward 21-A current exerts an attractive force per unit length of 8.3×10?4N/m, What is the magnitude of the current in the second wire
Water autoionizes to produce hydronium ion and hydroxide ion. The product of the concentrations of these ions equals the water autoionization constant, Kw.
The 54-MW wood-fired McNeil Generating Station in Burlington, Vermont, produces steam at 950 ?Fto drive its turbines, Find McNeil's maximum thermodynamic efficiency
Two non-conducting infinite planes of uniform surface charge ?1 = 13.11 µC/m2 and ?2 = ?3.5 µC/m2 are parallel to each other and d = 0.129 m apart, What is the electric field outside the
A solution of the weak acid, HF, and a solution of the strong acid, HCl, have the same pH. Which solution will require the most sodium hydroxide, NaOH, to neutralize
A 15 kg child sits on the edge of at 2 m radius, 200 kg merry go round. A father as been getting a little carried away, What is the final angular velocity of the merry go round
Write the condensed structure of the primary alcohol (RCH2-OH type) with the general formula C4H10O.
A battery with an emf of 12.0 V shows a terminal voltage of 11.0V when operating in a circuit with two lightbulbs rated, What is the battery's internal resistance