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3 years ago

Why does air in the plasma state conduct electric current but air in the gas state does not?

Chemistry

1 answer:

AleksandrR [38]3 years ago

4 0

Explanation:

Being made of charged particles can also do some things that gases can't do, such as conduct electricity. For instance, if you have gas in a liquid state, all of its particles will behave the same way once it's cool to room temperature.

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for each pair of compounds below , identify the one that would be expected to have more ionic character.explain you choice. (a)N

Tju [1.3M]

Answer:

a)NaBr

b)FCl

Explanation:

To identify which compound is more ionic we will calculate the electronegativity difference.

A) NaBr

Electronegativity of Na = 0.93

Electronegativity of Br = 2.96

Electronegativity difference = 2.96- 0.93 = 2.03

HBr

Electronegativity of H = 2.2

Electronegativity of Br = 2.96

Electronegativity difference = 2.96 - 2.2 = 0.76

NaBr have more ionic character because of large electronegativity difference.

B) BrCl

Electronegativity of Cl = 3.16

Electronegativity of Br = 2.96

Electronegativity difference = 3.16 - 2.96 = 0.2

FCl

Electronegativity of F = 3.98

Electronegativity of Br = 2.96

Electronegativity difference = 3.98 - 2.96 = 1.02

FCl have more ionic character because of large electronegativity difference.

8 0

3 years ago

oksano4ka [1.4K]

I assume you meant to write convection for one of those answers. Convection is the way that heat is transferred through liquids and gases.

3 0

4 years ago

When you boil water, why does the level of liquid decrease?

Ganezh [65]

Answer:

when you boil water, you convert it into water vapor, which leaves the pot and mixes with the atmosphere. If you boil the pot long enough, eventually all the water in it is converted to vapor and leaves. the pot is then empty.

Explanation:

6 0

3 years ago

A buffering solution consists of both strong acids and bases. <br> a. True<br> b. False

artcher [175]

False. A buffering solution consists of a WEAK acid such as CH3COOH, C5H5N, or ammonia. <span>A buffering solution resists pH change upon the addition of an acidic or basic components. It can neutralize little amounts of added acid or base, thus maintaining the pH of the solution relatively stable. The correct answer is letter "B. false"</span>

4 0

4 years ago

What is the concentration of a solution in which 0.99 g of KOH are dissolved in 500 mL?

aliina [53]

Answer:

.00352mol/L

Explanation:

molarity (concentration) = number of moles / volume of solvent (in L)

M = .99g / 56.108‬g/mol / .5L

M = .0176mol / .5L

M = .00352mol/L

5 0

3 years ago