Find the percent composition of gold and silver
a piece of gold jewelry that weighs 9.35 g and has a volume of 0.654 cm3. The density of pure gold is 19.3 g/cm3 and the density of pure silver is 10.5 g/cm3. Find the percent composition of gold and silver
Expected delivery within 24 Hours
A disk has a mass of 4kg and a radius of 90mm, it is at rest when it is placed in contact with the belt, which moves with a constat speed (v =15m/s). knowing that friction is .25 between the disk and the belt. Determine the number of revolution by th
A tank is initially filled with 1000 litres of brine, containing 0.15kg of salt per litre. Fresh brine containing o.25kg of salt per litre runs into the tank at the rate of 4L/s, and hte mixture (kept uniform by vigorious stirring) runs out at
Ethylene glycol, HOCH2CH2OH, is effective as an antifreeze, but it also raises the boiling temperature of automobile coolant. What is the freezing point of a 50.0% solution of ethylene glycol in water?
An aqueous solution of a nonelectrolyte boils at 100.32C. What is its expected freezing point?
Your new network assistant has ordered a batch of RJ-11 connectors to keep in reserve for building network cables on your twisted-pair network. Is this order appropriate for your company's needs?
Water flows through a pipe AB 1.2 m diameter at 3 m/s and then passes through a pipe BC 1.5 mdiameter. At C, the pipe branches. Branch CD is 0.8 m in diameter and carries one third of the flow in AB.
The dry sample of gas had a mass of 4.20 g. At 21 degrees celsius the vapor pressure of water is 18.65 torr. What was the molecular weight of the gas?
If the barometric pressure is 784 torr and the experiment is carried out at 25 oC, what is the pressure of the gas collected?
1926066
Questions Asked
3,689
Active Tutors
1444608
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Describe a time when you experience or observed conflict in a workplace (it need not be specifically ABA related). Provide as much detail as possible to help
Assignment: Using the Personality Tendency Inventory, describe your host teacher. Provide supporting evidence.
Given the scenario above, please address the following in your discussion: Identify five key steps you need to take to improve communication issues:
Assignment: Overview Educational experts develop strategies and techniques to provide the best instructional strategies for learning.
Social learning theory provides one of the most comprehensive explanations of criminal and delinquent behavior by emphasizing learned definitions
Juvenile justice system and delinquency in general are justifiably becoming a liability despite the advancement and knowledge consolidation in recent times.
Juvenile delinquency prevention and diversion programs are crucial to both rehabilitation efforts and public safety. Instead of focusing primarily on formal