pacity of 2.44 joules per gram kelvin and a specific gravity of 0.7893. Assume the initial temperature of the ethanol is 70 degrees Fahrenheit, the heater is powered by a voltage of 240 volts at a current of 500 milliamperes, and the transfer of energy to the ethanol as heat has an efficiency of 45%. How long must the heater operate to raise the temperature of the ethanol to 95 degrees Fahrenheit? Express your answer in units of

Q: A gold resistance thermometer has a resistance Ro = 70.0Ω at To = 20°C. The temperature coefficient…

A: SOlution: given that  Ro = 70.0Ω To = 20°C Temperature coefficient of resistance is 3.4x10-3°C R…

Q: When initially at 25 C, the power being supplied to a 555 Ohm resistor in a circuit is 7.5 W. Over…

A:

Q: A Cu wire of diameter of 2 mm and length of 1 m initially at room temperature of 300 K is applied a…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: A length of aluminum wire has a resistance of 14.00 at 32.0°C. When the wire is warmed in an oven…

A:

Q: The process of ____________ occurs when heat is transferred from a hotter object to a cooler object.…

A: The first concept revolves around heat transfer from a hot object to a cold one .The second concept…

Q: A common flash focus is rated at 310 mA and 2.90 V, the respective current and voltage values under…

A: Current is Voltage is Resistance of filament at temperature  is The coefficient of expansion for…

Q: When at 25 degrees Celsius, a certain resistor has a resistance of 220 Ohms. When connected to a…

A:

Q: A piece of wire of length 48.9 cm made from a material of resistivity 1.6 ohm-metre was used to…

A:

Q: 12.12. The time before failure of each a platinum resistance thermometer used in a particular…

A: Mean =∑xNN=10

Q: The resistance of the tungsten filament of an incandescent light bulb at 24 degC is 32 Ohms. If the…

A: Given:The resistance of the tungsten filament at T1=20°CResistance,R1=32ΩVoltage,V= 130…

Q: A platinum resistance thermometer has resistances of 210.0 2 when placed in a 0°C ice bath and 234.8…

A: Given information: The resistance of platinum thermometer when placed at 0 oC, R1=210.0 Ω  The…

Q: A 17-V storage battery delivers current at the rate of 55 A. In a 26-min period, the heat lost from…

A:

Q: 13-V storage battery delivers current at the rate of 59 A. In a 25 min period, the heat lost from…

A:

Q: Describe a platinum resistance thermometer. How would you calibrate and use it for measuring…

A: Resistance thermometers or Resistance Temperature Detector (RTD). It uses resistive elements to…

Q: In one form of plethysmograph (a device for measuring volume), a rubber capillary tube with an…

A: Given:- A rubber capillary tube with an inside diameter of d = 1.41 mm is filled with mercury at…

Q: A toaster has a Nichrome (a-4.5x104 c) heating element that has a resistance of R 80 0 at a…

A:

Q: Aluminum, copper, gold, and nichrome wires of equal lengths of 1.0  10-1 meter and equal…

A: Given  Length (L)= 1.0 × 10-1 m  Area of cross section (A) = 2.5  10-6 m2  Temperature (T) = 20 ° C…

Q: A 660-W electric heater is designed to operate from 120-V source. What is the approximate rate of…

A: Given: The power capacity of electric heater p=660W The supply voltage V=120 volt

Q: A copper wire 85 m long must experience a voltage drop of less than 1.2 V when a current of 1.7 A…

A:

Q: In preparation for a study of the metabolism of an organism, a small, sealed calorimeter was…

A:

Q: 7. 6. 650 J of energy are converted into heat in 2 minutes. What power is dissipated? Find the power…

A:

Q: An electric heating device consumes a current of 1.98 A when connected to the 220 V mains supply. If…

A:

Q: How much time is needed

A: Given data: The mass of tissue is: m1  = 1g The mass of water is: m2 = 0.5 g The initial temperature…

Q: A typical flash bulb is rated at 310 mA and 2.90 V, the respective values of current and voltage…

A: Page 1

Q: The resistance of the tungsten filament of an incandescent light bulb at 22 degC is 34 Ohms. If the…

A: Given, R0=34 ohms at 220 CVoltage V =126 Vand current I =0.36 A

Q: The measurable resistance of a wire with a length of 2.4 m and a vertical cross section of 0.03 cm2…

A:

Q: A toaster has a Nichrome (oa-4.5x10 °C) heating element that has a resistance of Ro- 80 2 at a…

A: Given: Temperature coefficient of resistance of given wire: α=4.5×10-4 [°C-1] Initial resistance of…

Q: An actual battery used for this purpose has a capacity of 13.5kWh and an efficiency of 90. The…

A: Volume = 115*75.3*14.7  V = 127294.65 cm3 volume V = 0.127 m3

Q: An immersion-type heating coil with a resistance of 13 ohms is connected to a 120 V outlet and…

A: Given:  R = 13 ohm  V = 120 V  mass, m = 250 mL = 250 g = 0.25 kg  T = 10 degree C  T' = 100 degree…

Q: Two cities separated by 10,000 ft is connected by telephone wires whose thermal coefficient of…

A:

Q: A two-dimensional conduction resistance and heat rate may be expressed as Rt = and q = SAT₁-2…

A: So, the given formula is of Shape factor (q) which is defined as a measurement of the direct…

Q: What is the available energy content, in joules, of a battery that operates a 2.00-W electric clock…

A: Given data: Power, P=2.00 W Time taken, t=540 days

Q: ha, Ta Trasho ーLA Composite wall with contact resistance A plane composite wall (as shown in figure)…

A: Solution: B2. Each layer of composite wall offers thermal resistance. This composite wall is exposed…

Q: In the circuit shown, R,=R,=R, and ɛ2 =. The rate of heat dissipated by the whole circuit is 110…

A: From the given circuit diagram, when the batteries are ideal,

Q: ne 9-volt battery contains 19.7 thousand joules of energy.  A 4-pack of 9-volt batteries cost $10.31…

A: The energy in one battery E =19.7×103 J Total energy of 4 pack 9V battery is 4E The power is 1 Watt…

Q: Answer the attached file

A: Given, The initial temperature is T1=16°C The final temperature is T2=100°C Amount of water, m=880…

Q: resistance of 18.0 Ω at 16.0°C. When the wire is warmed in an oven and reaches thermal equilibrium,…

A:

Q: A length of aluminum wire has a resistance of 36.0 2 at 24.0°C. When the wire is warmed in an oven…

A: GivenR0=36 ΩT0=24∘CR=51.5  Ωlet final temperature be T(a)themperature coefficient of aluminium,…

Q: A microwave oven draws 8 A when supplied with 120 V. The microwave is subsequently used for 6…

A: To find the electrical energy used by microwave

Q: An immersion heater utilizing 120 V is used to raise the temperature of a 100 g aluminum cup…

A: Total energy supplied by heater is as follows: Et=E1+E2+E3+E4…

Q: Consider the following table showing temperature as a function of resistance: R(ohm) Temp (°C)…

A:

Q: When electric current passes through the circuit part in the figure, the power consumed in the…

A: