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vladimir2022 [97]
3 years ago
13

Which are balanced plus if they aren’t please correct them

Chemistry
1 answer:
Veronika [31]3 years ago
7 0

b,f,h are already balanced

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What is the volume of 3.5 moles of oxygen gas (O2) at standard temperature and pressure (STP)?
baherus [9]
1 mole ----------- 22.4 L ( at STP )
3.5 mols --------- ?

V  = 3.5 x 22.4 / 1

V = 78.4 L

hope this helps!


4 0
3 years ago
If 0.251moles of H2O gas are produced, how many liters of oxygen gas was used?
Alborosie

Answer:

o.251 prduces 45.7L of oxogen

Explanation:

hope this helps

4 0
4 years ago
It is desired to produce 2.25 grams of dichloromethane (CH2Cl2) by the following reaction. If the percent yield of dichlorometha
Allushta [10]

Answer:- 3.12 g carbon tetrachloride are needed.

Solution:- The balanced equation is:

CH_4+CCl_4\rightarrow 2CH_2Cl_2

From given actual yield and percent yield we will calculate the theoretical yield that would be further used to calculate the grams of carbon tetrachloride.

percent yield formula is:

percent yield = (\frac{actual}{theoretical})100

65.5=(\frac{2.25}{theoretical})100

theoretical=(\frac{2.25(100)}{65.5})

theoretical = 3.44 g

From balanced equation, there is 2:1 mol ratio between dichloethane and carbon tetrachloride.

Molar mass of dichloroethane is 84.93 gram per mol and molar mass of carbon tetrachloride is 153.82 gram per mol.

3.44gCH_2Cl_2(\frac{1molCH_2Cl_2}{84.93gCH_2Cl_2})(\frac{1molCCl_4}{2molCH_2Cl_2})(\frac{153.82gCCl_4}{1molCCl_4})

= 3.12gCCl_4

So, 3.12 grams of carbon tetrachloride are needed to be reacted.

8 0
3 years ago
I will give 25 points and make them brainlest if they solve this.
sdas [7]

Answer:

B

Explanation:

7 0
3 years ago
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