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GenaCL600 [577]
3 years ago
6

What kind of change results in a new substance being produced

Chemistry
2 answers:
tatiyna3 years ago
3 0
Chemical change creates a new substance
9966 [12]3 years ago
3 0
The answer would be chemical, it is also irreversible and you need to compounds to make a chemical change. Hope this helps, be sure to thank me if it helps, let me know if you have any further questions.
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Convert 100 miles to inches (there are 5280 ft in one mile)
expeople1 [14]

Answer:

Explanation:

100 miles * [ 5280 feet / 1 mile] * 12 inches / 1 foot]

100 * 5280 * 12 inches

6336000 inches in 100 miles

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Which compound is covalently bonded? <br> Select one: <br> a. Al2O3 b. Fe2O3 c. SO2 d. CuCl2
azamat

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The answer is D-CuCl2

I hope this helps

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The reactant concentration in a first-order reaction was 8.10×10−2 M M after 15.0 s s and 1.80×10−3 M M after 90.0 s s . What is
kipiarov [429]

Answer:

The answer to the question is

The rate constant for the reaction is 1.056×10⁻³ M/s

Explanation:

To solve the question, e note that

For a zero order reaction, the rate law is given by

[A] = -k×t + [A]₀

This can be represented by the linear equation y = mx + c

Such that y = [A], m which is the gradient is = -k, and the intercept c = [A]₀

Therefore the rate constant k which is the gradient is given by

Gradient = \frac{[A]_{2} - [A]_{1}  }{t_{2} - t_{1}  }  where [A]₁ = 8.10×10⁻² M and [A]₂ = 1.80×10⁻³ M

= \frac{1.80*10^{-3} M- 8.10*10^{-2} M}{90 s - 15 s} = -0.001056 M/s = -1.056×10⁻³ M/s

Threfore k = 1.056×10⁻³ M/s

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3 years ago
How does hydrogen bonding affect water as it becomes colder and eventually freezes? (1 point)
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3 years ago
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