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Nat2105 [25]
3 years ago
11

Which solution can turn phenolphthalein pink?

Chemistry
1 answer:
Rasek [7]3 years ago
3 0
I’m pretty sure it’s A sorry if wrong
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In your own words, explain how multiple approaches to a scientific investigation can be used to obtain the same result. Provide
aleksandr82 [10.1K]

Answer:B

Explanation:

5 0
3 years ago
A sample of 0.370 mol of a metal oxide (m2o3) weighs 55.45 g. how many grams of o are in the sample?
Wewaii [24]
0.370 mol metal oxide = 55.45 g 

<span>1 mol = 55.45/0.370 = 149.86 g </span>

<span>in 1 mol there are 3 mol O = 16 * 3 = 48 g of O </span>

<span>there is 48/149.86 * 100% O in the sample </span>

<span>the sample has 48/149.86 * 0.370 = 0.119 g O</span>
6 0
3 years ago
If an atom has 35 protons in nucleus how many neutrons will it have orbiting the nueclues
Dvinal [7]

Answer

Because the two particles have an equal charge, the charges will cancel out and give the atom an overall charge of 0. So, if at atom has 35 protons in the nucleus, we could expect it to have 35 electrons orbiting that nucleus.

Explanation:

8 0
3 years ago
Define Nuclear Fission and Fusion
ASHA 777 [7]
A nuclear reaction in which a heavy nuclear splits spontaneously or on impact with another particle with the release of energy- fission

A nuclear reaction in which atomic nucleus with the release of energy-fusion

The energy harnessed in nuclei is released in nuclear reaction. Fission is the splitting of a heavy nucleus into lighter nuclei and fusion is the combining of nuclei to form a bigger and heavier nucleus
6 0
3 years ago
Compound A melts at 801o C and is soluble
Karo-lina-s [1.5K]

Explanation:

Organic compounds are defined as the compounds which contain carbon as their main element. For example, CH_{3}OH is an organic compound.

Generally, organic compounds are non-polar in nature and due to the presence of covalent bonding organic compounds have low melting point.

As compound A melts at 801^{o}C and is soluble  in water. This means it is an ionic compound as it has high melting point and it is also polar in nature.

Whereas compound B melts at 24^{o}C and is insoluble  in water. This means that this compound has covalent bonding and it is also non-polar in nature . Hence, it is more likely to be organic in nature.

Thus, we can conclude that compound B is more likely to be an organic

compound.

7 0
3 years ago
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