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Alborosie
3 years ago
8

What do we do to increase the surface area of solid reactants to high rate of reaction?​

Chemistry
1 answer:
motikmotik3 years ago
8 0
The rate of a chemical reaction can be raised by increasing the surface area of a solid reactant. This is done by cutting the substance into small pieces, or by grinding it into a powder.
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Consider the balanced equation below.
wolverine [178]

Answer:

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Explanation:

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⇒ H2S:SO2 = 2 mol H2S / 2 mol SO2 ≡ 2 : 2

⇒ O2:H2O = 3 mol O2 / 2 mol H2O ≡ 3 : 2

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3 years ago
Calculate the number of atoms in a 3.96 × 103 g sample of silicon.
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Atomic mass Si = 28.0855 u.m.a

28.0855 g -------------------- 6.02x10²³ atoms
3.96x10³ g ------------------- ?? atoms

( 3.96x10³) x 6.02x10²³ / 28.0855 =

8.48x10²⁵ atoms




6 0
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3 0
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2 years ago
According to the law of conservation of matter, what cannot change during a chemical reaction?.
Hunter-Best [27]

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