Chemistry, 16.07.2019 23:30 bellamparker
Compare the amount of carbon dioxide released in one year from burning coal to power 10, 65-watt incandescent bulbs with the amount released from powering 10, 13-watt compact fluorescent light (cfl) bulbs. assume the bulbs are on four hours per day for 365 days. you will need to determine the kilowatt hours (kwh) used. first, multiply the wattage of the bulbs by the number of light bulbs to determine the total watts used in one hour. then multiply the result by time in hours to obtain the watt hours. next, divide the result by 1000 to obtain kilowatt hours. on average, 2.1 pounds of carbon dioxide are released for every kwh of electricity produced. b boldi italicsu underline bulleted list numbered list subscript superscript
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Chemistry, 22.06.2019 11:00
Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.
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Chemistry, 22.06.2019 17:30
Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?
Answers: 2
Chemistry, 22.06.2019 18:50
Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %
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Chemistry, 22.06.2019 19:00
Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury
Answers: 2
Compare the amount of carbon dioxide released in one year from burning coal to power 10, 65-watt inc...
Computers and Technology, 19.07.2019 19:10