An increase or decrease in resistance
We will weigh objects by a strain gauge or R = 120Ω, GF= 2.02 mounted on copper column of 6-in. diameter. Find the change in resistance per pound placed on the column. Is this change an increase or decrease in resistance?
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A 2.0L kettle contains 116g of boiler scale (CaCO3). how many times would the kettle have to be compleletly filled with distilled water to remove all of the deposit at 25degC?
When o.514 g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from 25.8 to 29.4 degree Celcius. Find delta energy reaction for the combustion of biphenyl in KJ/mol biphenyl. The heat capacity of the bomb calor
Noting that a person standing in a room maintained at 20°C at all times, the inner surfaces of the walls, floors, and ceiling of the house are observed to be at an average temperature of 12°C in winter and 23°C in summer.
A 480- sample of the dry gas at 125 and 28 , when reacted with 80.0 of water, yielded a 0.080 solution of. What is the molecular formula for the gaseous product?
A computer will be used to control flow through 10 pumping stations. The pumps exhibit a surging effect with a period of 2.2 sec. What is the minimum sampling rate to ensure quality data? How much time can be spent processing each station's da
A particle of mass 200kg is lifted up vertically by a force of 104N. Assuming the acceleration due to gravity is 10meterper.secondsquare, write a program to calculate the upward accelerat on of the particle.
What is the net force exerted by these two charges on a third charge q_3 = 46.5 nC placed between q_1 and q_2 at x_3 = -1.210 m? Your answer may be positive or negative, depending on the direction of the force.
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