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Brilliant_brown [7]
4 years ago
14

When coal is burned, sulfur is released into the air, where it reacts with oxygen to produce sulfur dioxide and sulfur trioxide.

Which of the following is true of this process?
A. The identity of each reactant remains the same.
B.Sulfur dioxide and sulfur trioxide are the reactants in this change.
C.The products have different chemical properties than those of the reactants.
D. The products contain more sulfur atoms and fewer oxygen atoms than the reactants.
Chemistry
2 answers:
Mnenie [13.5K]4 years ago
8 0

Answer:

c

Explanation

they have different properties now

Wewaii [24]4 years ago
6 0
Answer will be ‘C’. The products have different chemical properties than those of the reactants.
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Explanation:

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Consider the single‑step, bimolecular reaction. CH 3 Br + NaOH ⟶ CH 3 OH + NaBr When the concentrations of CH 3 Br and NaOH are
saw5 [17]

Answer:

0.014 M/s

Explanation:

The rate of a chemical reaction is defined as the change in the concentration of the products or reactants over a specific period of time. The reaction rate can be calculated by dividing the change in concentration of the reactants products by the time elapsed for the given reaction. The reaction rate can also be calculated bu using:

r = k*[CH_{3}Br]*[NaOH]

where:

r is the rate of the reaction, k is the rate constant, and [] signifies the concentration of the compound.

When the concentrations of CH_{3}Br and NaOH are both 0.140 M, the rate of the reaction is 0.0070 M/s.

Therefore, when the concentration of CH_{3}Br is doubled, the rate of the reaction will also be doubled, i.e. r = 2* 0.0070 = 0.014 M/s

3 0
3 years ago
Why is energy required for the heating or boiling process?
guapka [62]
To overcome the forces of attraction
intermolecular forces of attraction for the liquids and gases
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What is heating and cooling
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make or become hot or warm is heating.

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