Chemistry, 30.10.2019 05:31, jacksontwyford
2. an electric heating element is connected to a 110 v circuit and a current of 3.2 a is flowing though the element. how much energy is used up during a period of 5 hours by the elemets? a. 550 wh b. 2,580 wh c. 352 wh d. 1,760 wh
Answers: 2
Chemistry, 21.06.2019 20:30, lemonsalt9378
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, 22.06.2019 09:00, boxergirl2062
Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?
Answers: 3
Chemistry, 22.06.2019 13:50, kelonmazon2492
Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.
Answers: 3
2. an electric heating element is connected to a 110 v circuit and a current of 3.2 a is flowing tho...
Mathematics, 01.12.2020 22:10
Mathematics, 01.12.2020 22:10
Chemistry, 01.12.2020 22:10