Chemistry, 19.11.2021 19:30 chaseashley24
If a chemical change occure
A. the composition remains the same
B. there is a change in composition
C. the physical state of matter change
D. all the physical properties remain the same
Answers: 1
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In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?
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Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patientβs temperature. d.) a construction worker reports in to his office using a cell phone.
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If a chemical change occure
A. the composition remains the same
B. there is a change in compo...
B. there is a change in compo...
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