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Over [174]
3 years ago
14

What is the strongest evidence for hydrogen

Chemistry
1 answer:
Mumz [18]3 years ago
6 0

Explanation:

4.hydrogen is able to accept or donate electrons,so it is the most versatile storm I the periodic chart

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What is the purpose of the following in the experiment of Synthesis of Methyl Salicylate
Aneli [31]

Answer:

1. Phosphoric Acid : Catalyst

2. Methyl Anthranilate : Reactive

3. Sodium Nitrite : Reactive

4. Diethyl Ether : Solvent and reactant

5. Nitrogen : Sub-product

Explanation:

The phosphoric acid is used as a catalyst for the reaction, the methyl anthranilate will react with the sodium nitrite to produce methyl salicylate, along with the diethyl ether and the nitrogen is a sub-product of the reaction.

7 0
2 years ago
What do scientists mean when they refer to population
Luden [163]

population is the number of species living in a given area if this is regarding biology or earth studies :)

8 0
2 years ago
Read 2 more answers
How many moles are 5.55 x 102 atoms of Mg?<br> M2) an&gt; NU X 02.0
cupoosta [38]

Explanation:

number of atoms = moles × avegadro number

so 5.55 × 10^2 = moles × 6.023 × 10^23

moles = 5.55 × 10^2 ÷ 6.023 × 10^23 = 9.214×10−22 moles

4 0
2 years ago
A sample of ethanol has a volume of 7.5 mL and a mass of 5.85 g. A sample of benzene also has a volume of 7.5 ml,
AysviL [449]

Answer:

Benzene

Explanation:

You need to calculate the densities for each compound.

EtOH = 5.85/7.5 = 0.78 g/mL

Benzene = 6.60/7.5 = 0.88 g/mL

0.88 > 0.78, thus benzene is denser than ethanol.

3 0
3 years ago
Read 2 more answers
In order to come up with our modern-day atomic model, scientists added knowledge
Korvikt [17]
Earnest Rutherford was JJ Thomson’s student. He disproved Thomson’s plum pudding model. So Rutherford comes after Thomson. Dalton is first because you should be aware of Daltons atomic theory on the atom. He was one of the first people to actually make a theory about atoms in that type of detail. Bohr came last. I forgot what Bohr’s model was, but you can do a quick google search if you want.

So your answer is B, the second one
4 0
3 years ago
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