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During a certain thermodynamic process,418 J of work are done on a system and 214 cal of heat are transferred to the system.The change in internal energy during the process is
Rate of Return
The positive or negative change in an investment's worth, calculated as a percentage of its original cost.
Correlation Coefficient
A numerical measure of the linear correlation between two variables, ranging from -1 to 1.
Riskless Portfolio
A theorized portfolio of investments that has a guaranteed return, with no risk of financial loss.
Risky Stocks
Shares in companies with high volatility and potential for substantial gains or losses.
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