Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Electrolysis of Water in the Presence of an Indicator
• Place ~ 50 mL of the thawed cabbage juice in the same glass container (after rinsing) used in Step 1.
• Insert the electrodes (as instructed earlier in point four of Step 1). Observe the areas around the interface between the electrode leads and the solution for 2-3 minutes during the attempted electrolysis and report any observations in the table that follows these directions.
• Place 50 mL of the thawed cabbage juice indicator in the same glass container (after rinsing) and add one or two drops of vinegar, or more if needed, until the cabbage juice indicator solution becomes slightly pink. Once again, repeat the insertion of the electrodes as described in point four of Step 1. After 2-3 minutes, report any observations in the areas of the electrode leads in the solution in the table that follows these directions.
An element has the electronic configuration 1s 2 , 2s 2, 2p 6 , 3s 2 , 3p 2 . Its valency electrons are: (1) 6 (2) 2 (3) 3 (4)4 Ans: 4
how to find out oxidation state?
which of the following is not a characteristic of plunck''s quantum theory of radiation? A) Radiation are associated with energy B) A body can emit less or more than a quantum of e
how they occured
Atoms in the water molecule are linked by: (1) Electrovalent bond (2)Covalent bond (3) Coordinate covalent bond (4) Odd electron bond Ans: Cov
a tablet of extra strength tylenol contains 5.00x10^2 mg of acetaminophen. Calculate the number of moles of acetaminophen present in one tablet of extra strength tylenol?
Explain the Effects of Temperature on multicomponent systems? For some of the derivations in this chapter, we will need an expression for the rate at which the ratio μ i /T var
Which of the following orbital is not possible: (1) 3 f (2) 4 f (3)5 f (4) 6 f Ans: 3 f
The number of unpaired electrons in a chromic ion Cr 3+ (atomic number = 24) is: (1) 6 (2) 4 (3) 3 (4) 1 Ans: 3
density of gas is 2.86 ltr.the gas may be-
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd