Earthquakes are a result of .
A) impacts from outer space B) earthquakes
C) tectonic activi...
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Chemistry, 23.06.2019 06:40, Science2019
How many joules of heat are required to raise thetemperature of 750 g of water from 11.0 °c to 19.0 °c?
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Chemistry, 23.06.2019 16:30, brazilmade1
Match the words in the left column to the appropriate blanks in the sentences on the right. (a) this is the law of definite proportions: all samples of a given compound, regardless of their source or how they were prepared, have proportions of their constituent elements. (b) this is the law of conservation of mass: in a reaction, matter is neither created nor destroyed. (c) this is the law of multiple (c) this is the law of multiple blank: when two elements form two different compounds, the masses of element b that combine with 1 g of element a can be expressed as a ratio of small whole-numbers. in this example, the ratio of \rm o from hydrogen peroxide to \rm o from water = 16: 8 \to 2: 1, a small whole-number ratio.: when two elements form two different compounds, the masses of element b that combine with 1 g of element a can be expressed as a ratio of small whole-numbers. in this example, the ratio of o from hydrogen peroxide to o from water = 16: 8 → 2: 1, a small whole-number ratio.
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Chemistry, 23.06.2019 22:00, kaylastronaut
The following compounds, listed with their boiling points, are liquid at –10ºc: butane, –0.5ºc; ethanol, 78.3ºc; toluene, 110.6ºc. at –10ºc, which of these liquids would you expect to have the highest vapor pressure? which the lowest? explain. (4 points)
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