Specific heat of liquid ethanol
How much heat is required to convert 20.0 of ethanol at 23 to the vapor phase at 78 ? Ethanol () boils at 78. Its density is 0.789 . The enthalpy of vaporization is 38.56 . The specific heat of liquid ethanol is 2.3 .
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Hydrogen gas was collected over water in a eudiometer at 26 oC when the atmospheric pressure was 756 mm Hg. What was the pressure of the hydrogen gas?
Draw a block diagram of an armstrong-type FM bradcast transmittercomplete from the microphone input to the antenna output. state the purpose of each stage, and explain briefly the overall operation of the transmitter.
a perfect gas undergoes isothermal compression which reduces its volume by 2.20 L. the final pressure and volume of the gas are 3.78x10^3 torr and 4.65 L, respectively. calculate the original pressure of the gas in a torr.
A small package is deposited by the conveyor belt onto the 30 ramp at A with a velocity of 0.8 m/s. Calculate the distance s on the level surface BC at which the package comes to rest.
Calculate the molality of a sucrose (C6H22O11) solution containing 14.3 g of sucrose in 676 g of water.
How do I assemble a digital logic circuit with four inputs(A,B,C,D)and four outputs (LED's G,H,I,J). Different sequences using NAND and NOR logic gates light the LED's using the following truth table. Inputs A-0,B-0,C-0,D-1 lights LED's G &am
A thin circular cylindrical shell subjected to internal pressure p is simultaneously compressed by an axial load P = 72 kN. The cylinder has diameter d = 100 mm and wall thickness t = 4 mm.
The temperature of a sample of water increases from 21.7°C to 46.1°C as it absorbs 5605 J of heat. What is the mass of the sample?
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: The National Council for the Social Studies (NCSS) outlines a developmental sequence for social studies-the youngest children learn about their neighborhood
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