Mercury’s name means ___________

Be sure to answer all parts. Dinitrogen difluoride, N2F2, is the only stable, simple inorganic molecule with an N=N bond. The co

ASHA 777 [7]

(a) The molecular shapes of cis and Trans forms of N2F2 are-

b) There is EN difference between N atom and F atom. Hence the molecule will have a bond dipole.

In Cis form two fluorine atoms are on the same side of N N bond. Hence, bond moment in N2F2 cis form) do not cancel each other. Thus the cis form is polar.

In the trans form two fluorine atoms are on the opposite side of N-N bond. Bond moment of NF cancels each other.

Thus: trans N2F2 is non polar molecule.

3 0

4 years ago

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During an experiment, 321.1 grams of strontium phosphite are measured into a beaker. How many moles of strontium phosphite are i

Allushta [10]

321.1 g of strontium phosphite will contain 0.76 moles of strontium phosphite in the beaker.

Explanation:

It is known that 1 mole of any substance is equal to the molar mass of that substance. So for the case of strontium phosphite, the molar mass is found to be 420.8 g/mol.

This means 1 mole of Strontium phosphite will contain 420.8 g of strontium phosphite.

Then 1 g of strontium phosphite will have $\frac{1}{420.8}$ moles of strontium phosphite.

So, 321.1 g of strontium phosphite will contain $\frac{321.1}{420.8}=0.76 moles$

Thus, 321.1 g of strontium phosphite will contain 0.76 moles of strontium phosphite in the beaker.

5 0

3 years ago

A reversible reaction is a reaction that takes place in the ___________ . If the reaction were to ___________, the rate of the f

ANTONII [103]

Explanation:

A reversible reaction is a reaction which results in the formation of products which gives back reactants. Therefore, it is said that a reversible reaction occurs in both forward and backward direction.

Thus, it can be concluded that a reversible reaction is a reaction that takes place in the both directions . If the reaction were to equilibrium, the rate of the forward reaction would equal that of the reverse reaction.equilibrium.

8 0

3 years ago

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An ethylene gas torch requires 3200L of gas at 3.0 atm. What will be the pressure of the gas if the Ethylene is supplied by a 25

drek231 [11]

Answer:

38.4 atm.

Explanation:

We can use the general law of ideal gas: PV = nRT.

where, P is the pressure of the gas in atm.

V is the volume of the gas in L.

n is the no. of moles of the gas in mol.

R is the general gas constant,

T is the temperature of the gas in K.

If n and T are constant, and have different values of P and V:

(P₁V₁) = (P₂V₂).

P₁ = 3.0 atm, V₁ = 3200 L,

P₂ = ??? atm, V₂ = 250.0 L.

∴ P₂ = (P₁V₁)/(V₂) = (3.0 atm)(3200 L)/(250.0 L) = 38.4 atm.

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4 0

3 years ago

The central part of an atom is what

Arlecino [84]

Answer:

Nucleus

Explanation:

the nucleus is the central part of an atom where protons and neutrons are held together.
the Nucleus is the central core of the atom, around which the electrons (negatively charged subatomic particles) orbit.

8 0

2 years ago

Mercury’s name means ____________.