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A Tris buffer at pH 6.0 (here "Tris" is a nickname use for Tris hydroxymethyl amino methane). For the given pK A table is Tris a compound you would select for a buffer at pH 6.0?
An electron has kinetic energy 2.8 x 10 -23 J . de-Broglie wavelength will be nearly: (me: 9.1 x 10 -31 kg) (1) 9.28x 10 -4 m (2) 9.28 x10 -7 m
Which of the following has highest melting point: (1) BaCl 2 (2) MgCl 2 (3) Cacl 2
Q. Define Conjugate acid-base pair and buffer? Buffers are substances that resist changes in pH. To "balance pH" means to buffer. Weak acids and bases make good buffers.
SOME SILVER MINES DUMP SHREDDED IRON CANS INTO PONDS CONTAING DISSOLVED SILVER SALTS. WRITE THE TWO HALF REDOX REACTIONS AND THE OVERALL BALANCED REACTION THAT EXPLAINS THE DEPOSIT
properties of atom
Energy of atomic orbitals in a particular shell is in the order: (1) s (2) s> p > d > f (3) p (4) f > d > s >p Ans: s
Physical Properties of Acrylic Acid a. Acrylic Acid is colourless pungent smelling liquid. Its boiling point is 141°C. b. Acrylic Acid is miscible with alcohol, water and et
Physical Properties of Benzoic Acid (a) Benzoic Acid is a white crystalline solid. (b) Benzoic Acid has m.p. 394 K. (c) Benzoic Acid is sparingly soluble in cold water bu
A 0.5M solution of NaNO2 is made. What is the pH of the solution?
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