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sasho [114]
3 years ago
5

Which statement describes an investigation to determine a chemical property? A. determining the reactivity of baking soda and vi

negar В. determining the melting point of lead c. measuring the boiling point of sugar water D. measuring the density of a sample of balsa wood​
Chemistry
2 answers:
atroni [7]3 years ago
8 0

Answer: Determining the reactivity of baking soda and vinger

Explanation:

All the others are physicals change

Vika [28.1K]3 years ago
5 0

Answer:

Explanation:

A gives off a visible gaseous product when the two are mixed.

The others all talk about physical properties like phase changes and densities.

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That would be an ion, so A.
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3 years ago
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43 mg = [?]g <br>A. 0.043 g <br>B. 4.3 g <br>C. 4300 g <br>D. 43,000 g​
Ymorist [56]

Answer:

Option A (0.043 g) is the correct answer.

Explanation:

Given:

= 43 mg

As we know,

1 \ mg = \frac{1}{1000} \ g

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Thus, the above is the correct alternative.

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3 years ago
Where two continental plates collide,
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C

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4 years ago
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If 155 grams of potassium (K) reacts with 122 grams of potassium nitrate (KNO3), what is the limiting reagent?
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K:

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m=122g
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n = 122g/101g/mol = 1,21mol

2K          +            10KNO₃  ⇒  6K₂O + N₂
2mol        :            10mol
3,97mol   :           1,21mol
                             limiting reagent

KNO₃ is limiting reagent

5 0
3 years ago
Generally, observed behavior that can be formulated into a statement, sometimes mathematical in nature, is called a(n):
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Answer:

Generally, observed behavior that can be formulated into a statement, sometimes mathematical in nature, is called a natural law- D.

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