The red lasers used to read the barcodes of products at the grocery stores produce light with a wavelength of 633 nm. Determine the energy, in units of joules, for a single photon produced by such a laser. Please provide your answer to 3 sig. figs., in scientific notation (i.e. 1.23 x 1045): The electrical power consumption of a single grocery store laser is 5.00000 x 103 Jst. If the laser is left on continuously for 365 days, what is the total amount of energy it emits as light? Assume that the laser works at 100% efficiency (i.e. all the electrical energy is converted to 633 nm light). Please provide your answer to 6 significant figures: If SaskPower is burning CH4 gas (methane) to produce electricity, how many moles of CH4 must be burned to produce enough energy t run the grocery store laser for 365 days? The heat of combustion of methane is -890 kJ/mol. Assume the combustion energy is converted to electricity with 100% efficiency. (Hint: Your answer from Part 2 will be required in this calculation). Please provide your answer to 3 significant figures

The red lasers used to read the barcodes of products at the grocery stores produce light with a wavelength of 633 nm. Determine the energy, in units of joules, for a single photon produced by such a laser. Please provide your answer to 3 sig. figs., in scientific notation (i.e. 1.23 x 1045): The electrical power consumption of a single grocery store laser is 5.00000 x 103 Jst. If the laser is left on continuously for 365 days, what is the total amount of energy it emits as light? Assume that the laser works at 100% efficiency (i.e. all the electrical energy is converted to 633 nm light). Please provide your answer to 6 significant figures: If SaskPower is burning CH4 gas (methane) to produce electricity, how many moles of CH4 must be burned to produce enough energy t run the grocery store laser for 365 days? The heat of combustion of methane is -890 kJ/mol. Assume the combustion energy is converted to electricity with 100% efficiency. (Hint: Your answer from Part 2 will be required in this calculation). Please provide your answer to 3 significant figures

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

How many grams of CO2 does a grocery store contribute to the atmosphere by running the single laser for a year?
Note: The molar mass of CO2 is 44 g/mol.
Please provide your answer to 2 significant figures:

The red lasers used to read the barcodes of products at the grocery stores produce light with a wavelength of 633 nm. Determine the
energy, in units of joules, for a single photon produced by such a laser.
Please provide your answer to 3 sig. figs., in scientific notation (i.e. 1.23 x 1045):
The electrical power consumption of a single grocery store laser is 5.00000 x 103Js?. If the laser is left on continuously for 365 days,
what is the total amount of energy it emits as light? Assume that the laser works at 100% efficiency (i.e. all the electrical energy is
converted to 633 nm light).
Please provide your answer to 6 significant figures:
J
If SaskPower is burning CH4 gas (methane) to produce electricity, how many moles of CH4 must be burned to produce enough energy to
run the grocery store laser for 365 days? The heat of combustion of methane is -890 kJ/mol. Assume the combustion energy is
converted to electricity with 100% efficiency. (Hint: Your answer from Part 2 will be required in this calculation).
Please provide your answer to 3 significant figures

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