A Single Pulse of a Laser Yields an Average of 5.00

question 18

Multiple Choice

A single pulse of a laser yields an average of 5.00 * 10¹⁸ photons with l= 633 nm. If melting ice to water at 0 ^$\circ$ C requires 6.01 kJ/mol, what is the fewest number of laser pulses needed to melt 10.0 g of ice

• A) 38300
• B) 3830
• C) 3340
• D) 2120
• E) 212

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