Chemistry, 01.07.2019 04:50 tmrsavage02p7cj16
An example of a pure substance in everyday life is select one: a. a cola drink b. concrete c. sugar d. pond water a soft drink is an example of a(n) select one: a. compound b. element c. heterogeneous mixture d. homogeneous mixture the best way to understand the submicroscopic world is with select one: a. powerful microscopes b. very accurate measuring devices c. models d. physical properties an example of a chemical formula is select one: a. na b. 4.5 g/ml c. d = 13.6 g/l d. h2so4 which of the following materials cannot be broken down into a simpler form? select one: a. solution b. element c. compound d. mixture how many atoms are present in one unit of sodium sulfate, na2so4? select one: a. 4 b. 7 c. 2 d. 1 which of the following is not an example of a model? select one: a. a floor lamp b. a wind tunnel c. a road map d. a globe matter that is large enough to be seen is select one: a. macroscopic b. massive c. submicroscopic d. a scientific model
Answers: 1
Chemistry, 22.06.2019 19:30, liyahlanderson2232
Astring vibrates with a frequency of 10 hz. why can't a person hear the sound waves produced by the vibrating string, no matter how large the amplitude of the waves? out! this is homework and due tomorrow! you so much!
Answers: 2
An example of a pure substance in everyday life is select one: a. a cola drink b. concrete c. suga...
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Social Studies, 06.12.2019 03:31