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Shtirlitz [24]
3 years ago
7

Please help ASAP I will give Brainliest

Chemistry
1 answer:
MaRussiya [10]3 years ago
4 0

Answer:

17.6 grams of nitrogen gas

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Wine goes bad soon after opening because the ethanol CH3CH2OH in it reacts with oxygen gas O2 from the air to form water H2O and
lyudmila [28]

Answer: 2.73g of CH3CH2OH Will be consumed

Explanation:

CH3CH2OH + O2 —> CH3COOH + H2O

MM of CH3CH2OH = 12 + 3 +12 + 2 16 +1 = 46g/mol

MM of O2 = 16 x2 = 32

Mass conc. Of O2 = 1.9g

From the equation,

32g of O2 consumed 46g of CH3CH2OH .

Therefore, 1.9g of O2 will consume Xg of CH3CH2OH i.e

Xg of CH3CH2OH = (1.9 x 46)/32 = 2.73g

3 0
3 years ago
What does polar and nonpolar mean in science
MissTica

Polar molecules are molecules are essentially have no molecular symmetry. 

Nonpolar molecules are molecules that have molecular symmetry.

Water is a very basic example of a polar molecule. 

3 0
3 years ago
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What are the properties of elements??​
8090 [49]

Answer:

Chemical properties

Atomic number. The atomic number indicates the number of protons within the core of an atom.

Atomic mass. The name indicates the mass of an atom, expressed in atomic mass units (AMU).

Electronegativity according to Pauling.

Density.

Melting point.

Boiling point.

Vanderwaal's radius.

Ionic radius.

And many more.

Explanation:

7 0
3 years ago
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Which organic compound is isometric with at least one aldehyde?
Talja [164]
Answer) D. ketone. Im not sure if its right tho                                                                                        
8 0
4 years ago
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Suppose that 100 grams of water at 50.0°C is placed in contact with 200 grams of iron at 30.0°C. The final
wel

Answer:

The answer would be 1.5 kJ.

Explanation:

When you use the equation q = m x c x ∆T you will be able to find the energy gained or lost. The data for the water in this case is just there to distract you so ignore it. :D

4 0
3 years ago
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