Problem based on avogadro number
Question: Explain how the mass of a single atom in an element (jn amu), the mass of one mole of atoms of that element, and Avogadro's number are related.
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On June 30, 2011, Vende, Inc. sold some used equipment for $28,000. The equipment had been purchased several years ago for $60,000. Vende properly recorded a $6,000 gain on the sale.
Merliss Company(a specialty boat-accessory manufacturer) is expecting growth in sales of certain low price products. Merliss is thinking about a preferred stock issue to help finance this expansion.
Describe how to convert between the mass and the number of moles of a substance.
Calculate the pH after the following volumes of titrant have been added: 0.00 mL, 10.0 mL, 20 mL, 40.0 mL, 45.00 mL, 50.0 mL.
AT Company purchased a tractor at a cost of $60,000. The tractor has an estimated salvage value of $10,000 and an estimated life of 8 years, or 12,000 hours of operation.
Indicate if each transaction and events is a source of cash,a use of cash, and/or an adjustment leading to a source or use of cash . List also its placements in the statement of cash flows: operations.
A certain applications requires a mterial that is lightweight, an electrical insulator, and has some flexibility. Which class of materials would you search for this selection.
A person of weight 80 kg jumped off a platform of height 1 m and safely landed on his feet. What is the magnitude of the momentum change during the collision. Give in SI units.
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