Chemistry, 03.08.2019 23:40 ester32152
Chemical a and chemical b react in an exothermic reaction. what can be known about what will happen when chemical a and chemical b are mixed together? a. the new substance will need more energy to form its chemical bonds than the old substance will release. b. more energy will be released from the old substance than the new substance will need to form its chemical bonds. c. the color will change as a result of the reaction. d. the substance will bubble as a result of the reaction.
Answers: 2
Chemistry, 21.06.2019 20:30
14. complete and balance the equations for the single displacement reactions. a. zn + pb(no3)2 -> b. al + niso4 -> 15. complete and balance the equations for the double displacement reactions. a. agno3(aq) + nacl(aq) -> b. mg(no3)2(aq) + koh(aq) -> 16. complete and balance the equations for the combustion reactions. a. __ ch4 + o2 -> b. __ c3h6 + o2 -> c. + o2 ->
Answers: 2
Chemistry, 21.06.2019 22:30
What are the charges of the subatomic particles by choosing the answer from the drop down menu. protons have a (+1,0,or-1). (protons,neutrons,electrons) have a 0 charge. 3.) electrons have a (+1,0,-1)
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Chemistry, 22.06.2019 10:30
Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
Answers: 2
Chemistry, 22.06.2019 12:30
Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17
Answers: 1
Chemical a and chemical b react in an exothermic reaction. what can be known about what will happen...
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