3 years ago

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Chemistry

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german3 years ago

5 0

As the wolf population decreases, the moose population increases and vice-versa

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What is the mass of 975 mL of mercury? Its density is 13.5 g/mL

miss Akunina [59]

Answer:

72.22 g

Explanation:

975 mL Mercury× 13.5 g/mL = 72.22 g

7 0

3 years ago

. What is the conjugate base of HCO3–? a) OH– b) H2CO3 c) CO32– d) HCO3+ e) H3CO3+

Lisa [10]

Answer:

b) H2CO3

Explanation:

The conjugate acid of HCO3– is Carbonic acid (H2CO3).

3 0

3 years ago

Sulfonation of naphthalene, C10H8, results in two products. One product is kinetically favored and predominates in the beginning

Marrrta [24]

Explanation:

The sulfonation of the naphthalene yield 2 products under different conditions:

When the reaction is carried at 80 °C, 1-naphthalenesulfonic acid is the major product because it is kinetically favoured product as arenium ion formed in the transition state corresponding to 1-naphthalenesulfonic acid is more stable due to better resonance stabilization.

When the reaction is carried at 160 °C, 2-naphthalenesulfonic acid is the major product as it is more stable than 1-naphthalenesulfonic acid because of steric interaction of the sulfonic acid group in 1-position and the hydrogen in 8-position.

The products are shown in image below.