Observing chemical reactions. Bolded reactions indicate the solution made in previous step For the reactions listed below,...

60.1K

Verified Solution

Question

Chemistry

Observing chemical reactions. Bolded reactions indicate thesolution made in previous step
For the reactions listed below, provide the following:
-product formed from the reaction
-evidence that a chemical change occurred
-eg. Color change, temperature increase or decrease, evolutionof gas, sight of a precipitate, or appearance of odor.
CoCl2 + 95% ethyl alcohol

H2O + [CoCl2(6H2O)+95%ethyl alcohol]

0.5M NaHCO3 + [H2O + CoCl2(6H2O)+95%ethyl alcohol]

Mg + 1M HCl

Steel Wool + CaSO4

0.5M NaHCO + 0.1M CuSO4

1M NH3 + [0.5M NaHCO + 0.1M CuSO4]

NaHCO3 + 1M HCl

NH4SCN + BaOH2(8 H2O)

Answer & Explanation Solved by verified expert

4.0 Ratings (539 Votes)

Welcome to Aula Ya QACoCl2 95 ethyl alcoholIn CoCl2 cobalt is in oxidation state 2 Aqueoussolutions of ion Co2 Co2aq are pinkOther compounds of cobaltII that are anhydrous or in anhydroussolutions are commonly blue In this case the solutions is almostanhydrous because is 95 ethyl alcohol Nevertheless there is still5 of water so the solution could take a purple colorH2O CoCl26H2O95ethylalcoholWhen you add water to the previous solution cobaltIIimmediately gets hydrated so it turns pink05M NaHCO3 H2O CoCl26H2O95ethyl alcoholIn this reaction we are adding a basic solution See Answer

Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:

Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!

Become a Member