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Hitman42 [59]
3 years ago
12

The domain level divides

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

Answer:

B. Prokaryotes do NOT have a nucleus.

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What is kept the same in a controlled experiment
Serhud [2]

Answer:

Variables and independent variables

4 0
2 years ago
Aqueous hydrochloric acid will react with solid sodium hydroxide to produce aqueous sodium chloride and liquid water . Suppose 1
blsea [12.9K]

Answer: The maximum amount of water that can be produced is 0.74 g

Explanation:

To calculate the number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}      .....(1)  

Putting values in equation 1, we get:

\text{Moles of hydrochloric acid:}=\frac{1.5g}{36.5g/mol}=0.041mol

\text{Moles of sodium hydroxide}=\frac{2.67g}{40g/mol}=0.067mol

The chemical equation for the reaction is

HCl+NaOH\rightarrow NaCl+H_2O

By Stoichiometry of the reaction:

1 mole of HCl reacts with 1 mole of NaOH

So, 0.041 moles of HCl will react with = \frac{1}{1}\times 0.041=0.041mol of NaOH

As, given amount of NaOH is more than the required amount. So, it is considered as an excess reagent. Thus, HCl is considered as a limiting reagent because it limits the formation of product.

By Stoichiometry of the reaction:

1 mole of HCl produces = 1 mole of water

So, 0.041 moles of HCl will produce = \frac{1}{1}\times 0.041=0.041moles of water

Mass of water=moles\times {\text{Molar Mass}}=0.041mol\times 18g/mol=0.74g

Thus the maximum amount of water that can be produced is 0.74 g

3 0
3 years ago
3. What is the molecular formula of a compound that has an empirical formula of CO2 and a molar
sattari [20]

Answer: the molecular formula of the compound is still the same i.e CO2

Explanation:

7 0
3 years ago
Please help!!! Is it balanced or unbalanced?
Black_prince [1.1K]

Hey there!

I believe the answer you are looking for is Unbalanced!

If I am incorrect I am very sorry and would love any feedback.

Have a nice day, and Happy Halloween!

6 0
4 years ago
**MEDAL AND FAN** what structural units make up metallic solids?
Margarita [4]
C)

Metallic solids consist of metal ions which are surrounded by delocalized electrons.
8 0
3 years ago
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