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melisa1 [442]
4 years ago
13

Which student was practicing poor laboratory safety?

Chemistry
1 answer:
insens350 [35]4 years ago
8 0

Answer herbert

Explanation:

cause he did not do any of the safety precautions and he was prob not listening to the teacher  

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Can someone please help? This is really hard!!
Arte-miy333 [17]

Answer:

Less

Explanation:

The hydronium from the HCl is used to neutralize the bicarbonate in the baking soda. The hydronium is the acid and the bicarbonate ion is the base while the sodium and chloride ions are pH-neutral. Since theres a 1:1 mole ratio of hydronium to HCl and bicarbonate to sodium bicarbonate, it would require less HCl to neutralize a less concentration baking soda solution.

6 0
2 years ago
There are several aromatic compounds with the formula C8H9Cl. Draw those that have a trisubstituted ring where the methyl groups
Kryger [21]

Answer:

3-Chloro-1,2-dimethylbenzene

4-Chloro-1,2-dimethylbenzene

Explanation:

Such types of compounds in which conjugated planer ring system and delocalized pi electrons are present are called aromatic compounds such as Toluene, Benzene and some other. Generally, these compounds follow Huckle's rule. The trisubstituted ring means a compound in which three hydrogen atoms are replaced by three other groups. In the given compound  two hydrogen atoms are replaced by two methyl groups and one hydrogen atom is replaced by one Chlorine atom. From the given compound  3-Chloro-1,2-dimethylbenzene, and   4-Chloro-1,2-dimethylbenzene  can be drawn.

7 0
3 years ago
What have the scientific studies identified as the major cause of acid rain in the united states?
Molodets [167]

Answer:

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Explanation:

7 0
3 years ago
Elements that are usually dull, brittle and do not conduct electricity are know as______.
Anton [14]

Answer:

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Explanation:

.........

...

.

8 0
3 years ago
I need help with this question...<br>​
ivanzaharov [21]
I’m guessing the answer is AX (the first one) sorry if I am wrong tho
5 0
3 years ago
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