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MA_775_DIABLO [31]
3 years ago
14

Helllllp me please Part D ends with neon Express your answer as an integer. 20

Chemistry
1 answer:
marysya [2.9K]3 years ago
3 0

Answer:

attach file please

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How many moles of carbon dioxide gas should be produced when 10.0 g of C2H6 are combusted at STP?
Finger [1]

Answer:

                    0.665 moles of CO₂

Explanation:

                     The balance chemical equation for the combustion of Ethane is as follow:

                            2 C₂H₆ + 7 O₂ → 4 CO₂ + 6 H₂O

Step 1: <u>Calculate moles of C₂H₆ as;</u>

                              Moles  =  Mass  /  M.Mass

Putting values,

                              Moles  =  10.0 g / 30.07 g/mol

                              Moles  =  0.3325 moles

Step 2: <u>Calculate Moles of CO₂ as;</u>

According to balance chemical equation,

                    2 moles of C₂H₆ produced  =  4 moles of CO₂

So,

             0.3325 moles of C₂H₆ will produce  =  X moles of CO₂

Solving for X,

                      X  =  0.3325 mol × 4 mol ÷ 2 mol

                      X = 0.665 moles of CO₂

3 0
3 years ago
Difference between vegetative and reproductive part​
andrezito [222]

Answer:

The vegetative parts includes the roots, stems,leaves and the reproductive parts include flowers. ... The vegetative parts can reproduce new plants by the process of vegetative propagation but the reproductive parts cannot produce new plants directly instead they produce precursor of new plants that are seeds or fruits.

8 0
3 years ago
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An sample of an unknown metal was found in a laboratory. Determining the density of the sample can help identify what type of me
Veseljchak [2.6K]
An sample of an unknown metal was found in a laboratory. Determining the density of the sample can help identify what type of metal is present in the sample. The sample was determined to have a mass of 27.20 g when placed on a scale. When dropped in water, it increased the volume of the water by 3.46 mL. What is the density of the sample of metal?
Use appropriate SIG FIGS in the answer.
3 0
3 years ago
Consider two aqueous nonvolatile and nonelectrolyte solutions, each with a solute concentration of 1 M. One contains glucose, wh
Lostsunrise [7]

Answer: B) The identity of the solvent

Explanation:

Basically, the solvent is the liquid in which a solute is dissolved in. But the solute is the material to be dissolved.

Now in this case, the solute in the first solution is glucose and the solute in the second solution is an unidentified covalent solid material.

This means that:

• the identity of the solute cannot be identical in each solutions, which also means that the freezing points and densities of the solutions cannot be identical too.

• the only thing that is sure to be identical in the solution is the identity of the solvent.

7 0
3 years ago
A compound has a molar mass of 90. grams per mole and the empirical formula CH20. What is the molecular
matrenka [14]

Answer:

CH2O = 12 + 2 + 16 = 30

90 /30 = 3

3 x (CH2O) = C3H6O3

Explanation:

6 0
3 years ago
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