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kakasveta [241]
3 years ago
8

What is easier to observe about an object,it’s physical properties or it’s chemical properties. Explain why.

Chemistry
1 answer:
Sladkaya [172]3 years ago
7 0

Answer:

Physical Properties

Explanation:

You are able to see physical properties but are unable to see chemical properties.

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Which of these time measurements is the smallest?
Anuta_ua [19.1K]

Answer:

In order to answer the question, we convert the measurements given to a common base unit. For this case, we use seconds.

A)   0.02 seconds

B)   0.02 teraseconds x (10^12 s / 1 terasecond) = 2x10^10 seconds

C)   2,500 milliseconds x (1 s / 1000 ms) = 2.5 seconds

D)   25,000 nanoseconds x (1 x 10^-9 s / 1 nanosecond) = 2.5 x 10^-5 seconds

So ,The correct answer is option " D "

7 0
3 years ago
Read 2 more answers
Of the five salts listed below, which has the highest concentration of its cation in water? assume that all salt solutions are s
Morgarella [4.7K]
Answer is: cobalt(II) hydroxide.
Ksp(lead(II) chromate) = [Pb²⁺][CrO₄²⁻]. [Pb²⁺] = √2,8·10⁻¹³ = 5,3·10⁻⁷ M.<span>
Ksp(cobalt(II) hydroxide) = </span>[Co²⁺][OH⁻]². [Co²⁺] = ∛1,3·10⁻¹⁵ = 1,1·10⁻⁵ M.
Ksp(cobalt(II) sulfide) = [Co²⁺][S²⁻]. [Co²⁺] = √5·10⁻²² = 2,23·10⁻¹¹ M.
Ksp(chromium(III) hydroxide) = [Cr³⁺][OH⁻]³. [Cr³⁺] = √(√1,6·10⁻³⁰) = 3,6·10⁻⁸.
Ksp(silver sulfide) = [Ag⁺]²[S²⁻].


6 0
3 years ago
Sally has been described by her psychology teacher, Mrs. Feldspar, as a bit
tester [92]

Sally is struggling with Prospective memory.

<u>Explanation:</u>

The type of memory in which an individual has problem to remember a planned set of actions. He or she can remember or recall it only after some period of time may be in future and not at that time where those actions needs to be performed. These type of memory problem can range from a simple situation like the tasks that are to be done in common, simple and daily basis to serious issue.

Some of the instances of this kind of prospective memory includes, closing a tap after usage, cut a call over phone when the conversation is done,etc. These instances includes only simple issues. Some of dangerous issues includes forgetting to take regular medicines, forgetting to take some protective and safety measures while driving,etc.

4 0
3 years ago
In a chemical formula the right side is called?
Ghella [55]

Answer:

Product

Explanation:

It is written at the right side of an arrow

8 0
4 years ago
What did Zoya and her freind do in response
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