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Nimfa-mama [501]
3 years ago
13

A 10L gas container is designed to hold gasses with a pressure of up to 5000mmHg. If a gas sample that has a pressure of 600mmHg

at -20°C is placed in the container, at what temperature will the container burst? (Guy-Lussac's Law)
Chemistry
1 answer:
Morgarella [4.7K]3 years ago
4 0

Explanation:

First, let's review the ideal gas law, PV = nRT. In this equation, 'P' is the pressure in atmospheres, 'V' is the volume in liters, 'n' is the number of particles in moles, 'T' is the temperature in Kelvin and 'R' is the ideal gas constant (0.0821 liter atmospheres per moles Kelvin).

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Explain why Cl2 can form two different Na bonds
I am Lyosha [343]

Answer: There is a single covalent bond in a chlorine molecule.

Explanation: The chlorine molecule is represented as Cl−Cl, i.e. C

l2. Between the chlorine atoms, 2 electrons overlap to form a region of high electron density to which the positively charged chlorine nuclei are attracted, such that internuclear repulsion is negated and a net attractive force results. Because the bonding electrons are shared between the nuclei, we conceive that each atom has 8 valence electrons.

Of course, on reaction with sodium, the sodium reduces the chlorine molecule to give 2×Cl−. The resultant bond between Na+ and Cl−is ionic and a non-molecular substance results.

You can call me Kat ᓚᘏᗢ

4 0
3 years ago
Write the balanced chemical equation for each of these reactions. Include phases.
Ket [755]

<u>Answer:</u> The chemical equations are given below.

<u>Explanation:</u>

  • <u>For 1:</u>

The chemical equation for the reaction of lead nitrate and sodium hydroxide follows:

Pb(NO_3)_2(aq.)+2NaOH(aq.)\rightarrow Pb(OH)_2(s)+2NaNO_3(aq.)

By Stoichiometry of the reaction:

1 mole of aqueous solution of lead nitrate reacts with 2 moles of aqueous solution of sodium hydroxide to produce 1 mole of solid lead hydroxide and 2 moles of aqueous solution of sodium nitrate.

  • <u>For 2:</u>

The chemical equation for the reaction of lead hydroxide and hydroxide ions follows:

Pb(OH)_2(s)+2OH^-(aq.)\rightarrow [Pb(OH)_4]^{2-}(aq.)

By Stoichiometry of the reaction:

1 mole of lead hydroxide reacts with 2 moles of aqueous solution of hydroxide ions to produce 1 mole of aqueous solution of tetra hydroxy lead (II) complex

Hence, the chemical equations are given above.

4 0
3 years ago
If you get some of the right sort of organic material, and heat it in the right sort of way, perhaps with a little squeezing, yo
AnnZ [28]

Question Options:

A) Bituminous, peat, lignite, anthracite.

B) Anthracite, bituminous, lignite, peat.

C) Peat, anthracite, lignite, bituminous.

D) Peat, lignite, bituminous, anthracite.

E) Bituminous, peat, anthracite, lignite.

Answer: Anthracite, bituminous, lignite, peat.

Explanation:

Anthracite is a form of carbonized ancient plants; the hardest and cleanest-burning of all the coals.

Bituminous is a form of coal that is characterized by mineral pitch; a black, tarry substance, burning with a bright flame.

Lignite is a low grade brownish coal.

Peat is a form of coal formed of dead but not fully decayed plants found in bog areas, often burned as fuel.

From the definitions given above, one can categorically say the most heated is in a descending order. And According to the Question, most heated is most valuable.

3 0
3 years ago
Which of the following statements about electrical conductors is true?
ioda

Answer:

Which of the following statements about electrical conductors is true?

Right answer gets brainliest

a:They have low resistance.

b:They have high resistance.

c:They control the current.

d:They require high voltage.

I hope its help

6 0
3 years ago
Which of the following are covalent compounds? Select all that apply.<br> CaO<br> CO2<br> KBr<br> NO
Sergeeva-Olga [200]

Answer

CO2 and NO are covalent

Explanation:

Which of the following are covalent compounds? Select all that apply.

CaO

CO2

KBr

NO

the atoms ib covalent compounds share electron pairsO

CaO and KBr are ioinic

CO2 and NO are covalent

3 0
3 years ago
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