Chemistry, 13.10.2020 01:01 Heavenleigh302

Explain if the efficiency of a machine can ever be greater than 100%?

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Chemistry, 21.06.2019 23:00, cbrewer37

Select the correct answer. given: 2libr + ba → babr2 + 2li in this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced? a. 1.18 mol b. 2.37 mol c. 4.73 mol d. 16.4 mol e. 32.9 mol

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Chemistry, 22.06.2019 04:00, breannaasmith1122

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

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Chemistry, 22.06.2019 07:00, taibamah

The organism shown is a free-living one that is anchored to the bottom of ponds and streams during one stage of its life cycle what is the common name for the group to which this organism belong

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Chemistry, 23.06.2019 03:00, winterblanco

In november 1987, a massive iceberg broke loose from the antartic ice mass and floated free in the ocean. the chunk of ice was estimated to be 98 mi long, 25 mi wide, and 750 ft thick. a typical backyard swimming pool contains about 24,000 gallons of water. how many of these pools could you fill from the water in this iceberg? (assume the iceberg is a rectangular solid of the above dimensions and consists of water only). express answer in scientific notation.