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Over [174]
3 years ago
14

What is the colour of litmus in a solution of ammonium hydroxide?​

Chemistry
1 answer:
sammy [17]3 years ago
7 0

Answer:

Red litmus turns blue

Explanation:

Hope it helps

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Please Hurry this is already overdue
Troyanec [42]

Answer:

According to the chart, the period and string length are not the same. Regardless of string length. The chart says that "period = seconds 10"

Explanation:

So for example in Trial 1. The period equaled 8.7, so in turn you would times 8.7 by 10 and get 87. Which is not equal to the string length. For they are also measured in two different measurements.

7 0
3 years ago
Which of the following is fact-based science rather than part of a belief system
makkiz [27]

Answer:

c. chemistry

Explanation:

it uses science and math which are based on facts.

6 0
3 years ago
Read 2 more answers
Why did mendeleev leave blank spaces in his version of the periodic table?.
Leviafan [203]
<h2>Answer: He left blank spaces for <em>undiscovered</em> elements to be added to the table.</h2>

Explanation:

3 0
2 years ago
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The noble gases are inert due to the fact that A. their valence shell is empty B. their valence shell is full C. their electrons
coldgirl [10]

Answer:

B) Their valence shell is full

Explanation:

In order to be classified as a noble gas, an element must have a complete octet/ a full shell of valence electrons, as shown in answer B.

A and C are just incorrect. Since noble gasses are very unstable, D is a true statement, but is isn't the correct answer as this does not explain why they are inert.

<h3>Hope this was helpful!</h3>
5 0
3 years ago
What is the balanced chemical equation for the word equation below?
ladessa [460]

Answer:

4Fe + 3O₂ → 2Fe₂O₃

Explanation:

Fe → ²⁺

O → ²⁻

But Iron III is Fe³⁺

So we have Fe³⁺ and O²⁻, the formula for the oxide must be Fe₂O₃ so the equation can be:

4Fe + 3O₂ → 2Fe₂O₃

6 0
3 years ago
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