Chemistry, 10.12.2019 05:31 stinematesa
A452.3-g sample of an element at 192°c is dropped into an ice–water mixture; 110.6 g of ice melts and an ice–water mixture remains. calculate the specific heat of the element. δhfusion = 6.02 kj/mol (for liquid water at 0°c).
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Suppose the universe were completely empty except for one object-a solid sphere moving through space of 100 km/s. what sort of path would the object be moving in? explain your answer
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Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull
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The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll
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A452.3-g sample of an element at 192°c is dropped into an ice–water mixture; 110.6 g of ice melts a...
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