What will be the final temperature of the copper
7.51 kilojoules of heat is added to a 22.8 g piece of copper, intially at 51 degrees celsius. What will be the final temperature of the copper (in degrees celsius)? (specific heat of copper = 0.385 J/g C)
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Four point charges have the same magnitude of 1.9 x 10-12 C and are fixed to the corners of a square that is 6.4 cm on a side. Three of the charges are positive and one is negative. Determine the magnitude of the net electric field that exists at
What is the major aldol product from the reaction of excess 2,2-dimethylpropanal with etanal? What are the possible aldol product(s) from the reaction of ethanal and methanal?
The magnetic flux through one loop of wire is reduced from 0.39 to 0.19 in 0.30 . The average induced current in the coil is 13 . Can you determine the area of the loop from the data given?
Two forces , each 2200 N , act on an automobile as follows: t2 is directed 40 degres above the road. What is the the total force ( magnitude and direction ) acting on an automobile.
What must the potential difference between the plates be to hold the droplet in equilibrium?
The decomposition of dinitrogen pentaoxide has an activation energy of 102 kJ/mol and delta H rxn = +55 kJ/mol. What is the activation energy for the reverse reaction?
A metal airplane with a wingspan of 29 flies horizontally along a north-south route in the northern hemisphere at a constant speed of 330 in a region where the vertical component of the Earth's magnetic field is 9.0×10-5 . What is the magnit
A wind speed of 60 km/h is directed towards the se. A plane flying due north has an air speed of 280 m/s. What is the speed in compass notation, the plane is atually travelling seen by air traffic control.
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