Calculate the specific heat of a metallic element
Calculate the specific heat of a metallic element if 478 J of energy are needed to raise the temp. of a 82.73 g sample from 25.0 C to 50.0 C. what is the most likely identity of the element.
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Avogadro's number is big. If you had 6.02 x 1023 dollars, and could spend it at 1 billion (109) per second for your entire life (about 75 years), what approximate percentage of your original money would you have left?
Design a process for the manufacture of 10^6 kg per year of mayonnaise. the shelf life of the product is expected to be 1 year.
Calculate the amount of heat transferred when 2.7 g of {rm Mg}({rm s}) reacts at constant pressure.
Suppose that after delivery several drops of the water cling to the inner wall of the pipet (because the pipet wall is dirty). How does this technique error affect the reported density of water?
A solid block of exactky 100.0 cm 3 has a mass of 153.6g. Determine its density. Will the block sink or float on water?
The vessel volume is 1.5m^3 and a standard six-blade open turbine with blades at 45C is to be used with Da/W=8 and Da/Dt=0.35.
What will be the concentration of in the battery after 3.40 of current is drawn from the battery for 4.50? Express the molar concentration numerically.
Calculate the mole fractions of Fe3+ and SCN- in this solution with respect to the total number of moles of Fe3+ and SCN-. This means, of course, that these two mole fractions should add up to 1.00.
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