Answers: 2
Chemistry, 22.06.2019 16:50, Pookiev
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
Answers: 1
Chemistry, 22.06.2019 17:30, Naysa150724
Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world
Answers: 3
Chemistry, 22.06.2019 23:30, jade468
Substance a is a nonpolar liquid and has only dispersion forces among its constituent particles. substance b is also a nonpolar liquid and has about the same magnitude of dispersion forces among its constituent particles. when substance a and b are combined, they spontaneously mix.
Answers: 1
Chemistry, 23.06.2019 05:00, lifeoflashay1659
He nucleus contains the cells genetic material in the form of dna. dna is organized into our chromosomes, which are made up of thousands of that determine our traits.
Answers: 1
Given the reaction at 101.3 kpa and 298 k: hydrogen gas + iodine gas -> hydrogen iodide gas thi...
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