Copper pellets are removed from oven
27 g of copper pellets are removed from a 300 degrees C oven and immediately dropped into 90 mL of water at 22 degrees C in an insulated cup.
What will the new water temperature be?
Expected delivery within 24 Hours
a) If a mass of 2kg is attached to a string of length 1m and pulled back to the angle shown (30 degrees from straight down), what velocity will the mass have at the "bottom" of its swing?
Nitrogen flows without gain or loss of heat through a horizontal duct find the head loss in BTU/lb. The change in enthalpy between sections 1 and 2. (assume nitrogen is a perfect gas)
An element crystalizes in a body centered cubic lattice. theedge of the unit cell is 3.36 angstroms, and the density of thecrystal is 7.97g/ cm3. what is the atomic weight of the element in grams per mole?
What size pump is needed to raise water at the rate of 2 gallons/minute from a sump up to 30-ft to be discharged into a storm sewer?
27 g of copper pellets are removed from a 300 degrees C oven and immediately dropped into 90 mL of water at 22 degrees C in an insulated cup. What will the new water temperature be?
The momentum of a particle is given by m*v where m is the mass ofthe particle and v its velocity. The kinetic energy is givenby 1/2 m*v^2. Two particles have the same de-Broglie wave length, however the mass of the particle is larger than the mass
100 g of ice at 0 degrees C and 100 g of steam at 100 degrees C interact thermally in a well-insulated container. What is the final state of the system?
The water flow into the boiler can be assumed saturated liquid. The fuel capacity is 35 MJ/Liter and it costs 0.15 dollar per liter. How much will the kilowatt-hour cost?
An unseeded BOD test is conducted on a polluted surface water sample by adding 100 mL of the sample to a 300-mL BOD bottle and filling with dilution water.
1933594
Questions Asked
3,689
Active Tutors
1426409
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Evaluation of the Relationship: Katina is currently in a living situation with Jonathan, who exhibits emotionally abusive behavior.
Tourism continues to shape local cultures, economies, and environments worldwide. While it can bring essential income and global connection
Write a 2-3 page (approximately 500-800 words) narrative essay about a single event using the techniques and elements of narrative writing
Interview an elementary school student about his/her career development (It is important that you do not reveal the child's name). Ask this student:
In three pages, analyze the implications of knowing the back story to - To Kill a Mockingbird, as presented by historian Joseph Crespino
Conflict is central to narrative. Conflicts present problems, challenges, disagreements, and the potential for resolution and redemption.
Did the U.S. overreact to 9/11, or were the actions justified given the threat? Is torture ever justified to prevent a terrorist attack?