A light-year measures the distance a light beam can travel in one year.
One light-year is equa...
Chemistry, 08.04.2020 06:59 levicorey846
A light-year measures the distance a light beam can travel in one year.
One light-year is equal to 9 500 000 000 000 kilometers. Why do scientists
use light-years to measure distances in the universe?
A) Light-years are the only practical unit for measuring the vast distances
of space.
B) Light-years tell us about the temperature, distance, and age of other
celestial bodies
C) Light-years are the most accurate form of measurement for universal
purposes.
D) Light-years measure the age of celestial bodies by determining how
bright the light is.
Answers: 1
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Why does his teacher ask him to balance the equation by including the correct coefficient
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Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.
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