PLZ HELP 30 points
chemical reaction | controlled variable | independant V | dependant V
iron...
PLZ HELP 30 points
chemical reaction | controlled variable | independant V | dependant V
iron and copper (II) | | |
sulfate solution | | |
| | |
Lead (II) nitrate and | | |
potassium iodide | | |
solutions | | |
| | |
Magnesium metal | | |
and hydrochloric | | |
acid solution | | |
| | |
Electrolysis of water | | |
| | |
Burning magnesium | | |
these are the reactions i believe
1. 2Fe + 3CuSO4 →3Cu + Fe2(SO4)3
2. 2Pb(NO3)2+ 2Kl →2PbI + 2KNO3
3. Mg + 2HCl →MgCl2 + H2
4. H2O → H2 + O
5. 2Mg + 2O2 →2MgO2
Answers: 1
Chemistry, 22.06.2019 00:00, chameleonsarelife
Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what
Answers: 3
Social Studies, 02.12.2020 23:30