How thick is the piece of foil
The density of aluminum is 2.70 g/cm3. A piece of foil that is 10.00 cm on each side has a mass of 440. mg. How thick is the piece of foil?
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Because atoms are spherical, they cannot occupy all of the space of the cube. The silver atoms pack in the solid in a such a way that 74% of the volume of the solid is actually filled iwth the silver atoms.
A mixture of carbon and sulphur has a mass of 9.0 g. Complete combustion with excess oxygen gives 23.3 g of a mixture of carbon dioxide and sulphur dioxide. Find the mass of sulphur in the original mixture.
Estimate the time intervals and uncertainties in measured mass flow rate that would result from using 100, 500, and 1000 mL beakers.
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The work done by an external force to move a -8.40 \mu C charge from point a to point b is 1.30 × 10-3 J. If the charge was started from rest and had 4.78 × 10-4 J of kinetic energy when it reached point b, what must be the potential diff
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Consider the compound sodium chloride. In the solid form is apperars white in color. However, when heated, it produces a yellow flame.. Explain what causes the difference in the appearance of the sodium chloride under these two sets of conditions.
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When leading a group with children and their parents present, explain three special issues that may arise in such a group. How would you manage those issues
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what type of psychological issues/conditions have been observed in first responders dispatched to Rwanda in response to the genocide?