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Nataly_w [17]
2 years ago
6

What did electrons from the ionized air do to the oil drops?

Chemistry
2 answers:
Neko [114]2 years ago
6 0
Answer:

The famous oil drop experiment exploits that fact that an oil drop in an electronic field will get negative charge accumulation which can be balanced and observed in order to determine the charge of an electron.
KatRina [158]2 years ago
4 0
Mhtdmhtdngrengtengtemgtenteg
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What elements are classified as metalloids? And list 3 characteristics of nonmetals
NARA [144]

six commonly recognised metalloids are boron, silicon, germanium, arsenic, antimony, and tellurium. Five elements are less frequently so classified: carbon, aluminium, selenium, polonium, and astatine.

7 0
2 years ago
Under the same conditions of temperature and pressure, which of the following gases would behave most like an ideal gas?Ne, N₂,
malfutka [58]

Answer:

Ne

Explanation:

Atomic number of Ne is 10.

Electronic configuration of Ne:

1s^2 2s^2 2p^6

Octet of Ne is complete . Element having complete octet are stable and behave ideal gas.

N_2 and CH_4 are reactive and hence, does not behave as ideal gas.

3 0
2 years ago
What is different between an ionic bond and a covalent bond?
Nana76 [90]

Answer:

Explanation:

Ionic bonds result from transfer of electrons, whereas covalent bonds are formed by sharing. 2. Ionic bonds are electrostatic in nature, resulting from that attraction of positive and negative ions that result from the electron transfer process; charge separation between covalently bonded atoms is less extreme.

5 0
3 years ago
Match the separation techniques with the correct descriptions.
nordsb [41]

Answer:

Explanation:

1 = A

Sublimation is the process where by a sample is heated to pass through solid phase to gaseous phase without the intermittent liquid phase. Example of substance that sublime is camphor.

2 = D

Decantantion

5 = F

Filtration is the process a liquid from solid using a porous material. This technique requires a set up and a good porous material eg filter paper.

6 = B

This technique is to separate a mixture of solids by converting them from solid phase to gaseous phase since they sublime.

3 = deposition.

The answer isn't in the option but deposition is the process of substance in gaseous phase to change into solid state without passing through liquid phase. Deposition is the opposite of sublimation.

4 = E

4 0
2 years ago
Gaseous ethane (CH,CH,) will react with gaseous oxygen (02) to produce gaseous carbon dioxide (CO2) and gaseous water (H,0). Sup
BigorU [14]

<u>Answer:</u> The mass of CO_2 produced is 12.32 g

<u>Explanation:</u>

The number of moles is defined as the ratio of the mass of a substance to its molar mass.  The equation used is:

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

  • <u>For ethane:</u>

Given mass of ethane = 4.21 g

Molar mass of ethane = 30 g/mol

Putting values in equation 1, we get:

\text{Moles of ethane}=\frac{4.21g}{30g/mol}=0.140mol

  • <u>For oxygen gas:</u>

Given mass of oxygen gas = 31.9 g

Molar mass of oxygen gas= 32 g/mol

Putting values in equation 1, we get:

\text{Moles of oxygen gas}=\frac{31.9g}{32g/mol}=0.997mol

The chemical equation for the combustion of ethane follows:

2C_2H_6+7O_2\rightarrow 4CO_2+6H_2O

By stoichiometry of the reaction:

If 2 moles of ethane reacts with 7 moles of oxygen gas  

So, 0.140 moles of ethane will react with = \frac{7}{2}\times 0.140=0.49mol of oxygen gas

As the given amount of oxygen gas is more than the required amount. Thus, it is present in excess and is considered as an excess reagent.

Thus, ethane is considered a limiting reagent because it limits the formation of the product.

By the stoichiometry of the reaction:

If 2 moles of ethane produces 4 moles of CO_2

So, 0.140 moles of ethane will produce = \frac{4}{2}\times 0.140=0.28mol of CO_2

We know, molar mass of CO_2 = 44 g/mol

Putting values in above equation, we get:

\text{Mass of }CO_2=(0.28mol\times 44g/mol)=12.32g

Hence, the mass of CO_2 produced is 12.32 g

7 0
2 years ago
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