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Brut [27]
3 years ago
8

Pls help, science 8th grade question, #11 thx :)

Chemistry
1 answer:
Anarel [89]3 years ago
4 0
D, KOH is a concentrated Base and HCL is an acid. D is the only one that has these two.
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Oxidation number of the sulfur and chloride in the sulfur tetrachloride?​
yuradex [85]

Answer:

SCl4

oxidation state of sulphur=+4

oxidation state of chlorine=-4

oxidation state of one chlorine atom=-1

6 0
3 years ago
Is cheese salty, sweet, bitter ,sour or savoury
Natali [406]

Answer:

it depends on what kind of cheese you are getting

3 0
4 years ago
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Consider the fermentation reaction of glucose: C6H12O6 → 2C2H5OH + 2CO2 A 1.00-mol sample of C6H12O6 was placed in a vat with 10
inessss [21]

Answer:

% yield = 73.48 %

Explanation:

The fermentation reaction is:

C₆H₁₂O₆  →  2C₂H₅OH + 2CO₂          

The percent yield of C₂H₅OH is given by:

\% yield = \frac{m_{E}}{m_{T}} * 100

<em>where m_{E}: is the obtained mass of C₂H₅OH = 67.7g and m_{T}: is the theoretical mass of C₂H₅OH.     </em>

The theoretical mass of C₂H₅OH is calculated knowing that 1 mol of C₆H₁₂O₆ produces 2 moles of C₂H₅OH:  

m_{T} = mol * M

<em>where M: is the molar mass of C₂H₅OH =  46.068 g/mol</em>

m_{T} = 2 moles * 46.068 g/mol = 92.136 g                

Hence, the percent yield of C₂H₅OH is:

\% yield = \frac{67.7 g}{92.136 g}*100 = 73.48 \%

I hope it helps you!                  

3 0
3 years ago
Plzzz help me! I will do anything ;) <br><br> How many molecules are there in 45g of caffeine
babymother [125]

Answer:

45 IS THE ANSWER

Explanation:

MARK AS BRAINLIEST PLSSS

6 0
3 years ago
Chemical properties of epoxide​
Bas_tet [7]

Answer:

Epoxides, also called oxiranes, have a three-membered ring structure with one oxygen and two carbon atoms.

Epoxides can be formed from alkenes by reaction with peroxy acids (MCPBA for example).

Epoxides can be formed from halohydrin molecules by reaction with a base, which causes an intramolecular Williamson ether synthesis.

Explanation:

Epoxide, cyclic ether with a three-membered ring. The basic structure of an epoxide contains an oxygen atom attached to two adjacent carbon atoms of a hydrocarbon. The strain of the three-membered ring makes an epoxide much more reactive than a typical acyclic ether.

5 0
3 years ago
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