I need help with these two questions for chemistry please if you can show work
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Answers on questions: Chemistry
- C Chemistry He balanced net ionic equation for precipitation of CaCO 3 when aqueous solutions of Na 2CO 3 and CaCl 2 are mixed is . 2Na (aq) CO32- (aq) Na2CO3 (aq) 2Na (aq) 2Cl-...
- C Chemistry Thermite reactions have been used for welding metal parts such as railway rails and in metal refining. One such thermite reaction is 3 Mg(s) + Cr2O3(s) → 3 MgO(s) +...
- C Chemistry Brainliest if answered in the next 5m when the ka value is very large, the are favored over the reactants products...
- C Chemistry Density is equal to volume divided by mass mass divided by volume they are all equal to each other...
- C Chemistry suppose polyethylene molecules in solution can exist either as a random coil or fully stretched out, with the latter conformation 2.4 KJ/mole higher in energy. what is...
- C Chemistry The turbines in a hydroelectric plant are fed by water falling from a 50 m height. Assuming 91% efficiency for conversion of potential to electrical endrgy, and 8% loss...
- C Chemistry PH của dd HCl 2.10-4M và H2SO4 4.10-4M: A. 3 B. 4 C. 3,7 D. 3,1...
- H History The mongols were open to the religions of the countries they conquered. which event best supports this sentence? a. the mongol rulers forced the chinese people to adopt...
- E English Quick plz answer this will mark type of text is written about one person, but is not written by the person whom the text focuses. a.) autobiographyb.) biography...
- B Biology Which of the following statements is true about the parimecium...
Ответ:
B. visible
Explanation: