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3 years ago

What is the compound formula for Ba2 and NO3–?

2 answers:

3 0

That would be the compound Ba(NO3)2. The Barium ion has a charge of 2+ so there are 2 NO3- ions in the formula to produce a neutral compound.

oksian1 [2.3K]3 years ago

3 0

Answer: The chemical compound formed by the combination of given ions is $Ba(NO_3)_2$

Explanation:

Barium is the 56th element of periodic table having electronic configuration of $[Xe]6s^2$ .

To form $Ba^{2+}$ ion, this element will loose 2 electrons.

Nitrate ion is a polyatomic ion having chemical formula of $NO_3^{-}$

By criss-cross method, the oxidation state of the ions gets exchanged and they form the subscripts of the other ions. This results in the formation of a neutral compound.

So, the chemical compound formed by the combination of given ions is $Ba(NO_3)_2$

The formed compound is an ionic compound.

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Which of the following best describes the impact of glaciers upon the surface of the earth?

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Answer:

D. All of the above

Explanation:

Because all of these have something to do with how glaciers are affecting the planet.

6 0

3 years ago

6 CO2 + 12 H2O C6H12O6 + 6 H2O + 6 O2 how many hydrogen atoms are involved in this reaction?

Romashka-Z-Leto [24]

How many hydrogen atoms are involved in this reaction? 3

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4 years ago

How many atoms of nitrogen on the reactant side

Taya2010 [7]

Answer:

2 nitrogen atoms

Explanation:

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3 years ago

Read 2 more answers

The free energy of formation of nitric oxide, NO, at 1000 K (roughly the temperature in an automobile engine during ignition) is

Assoli18 [71]

Answer: The value of $K_p$ for the chemical equation is $8.341\times 10^{-5}$

Explanation:

For the given chemical equation:

$N_2(g)+O_2(g)\rightarrow 2NO(g)$

To calculate the $K_p$ for given value of Gibbs free energy, we use the relation:

$\Delta G=-RT\ln K_p$

where,

$\Delta G$ = Gibbs free energy = 78 kJ/mol = 78000 J/mol (Conversion factor: 1kJ = 1000J)

R = Gas constant = $8.314J/K mol$

T = temperature = 1000 K

$K_p$ = equilibrium constant in terms of partial pressure = ?

Putting values in above equation, we get:

$78000J/mol=-(8.314J/Kmol)\times 1000K\times \ln K_p\\\\Kp=8.341\times 10^{-5}$

Hence, the value of $K_p$ for the chemical equation is $8.341\times 10^{-5}$

4 0

4 years ago

Explain what has to happen to join two monosaccharide units into a disaccharide.

yawa3891 [41]

Dehyrdration should happen to join two monosaccharide units into a dissacharide. It is used to build up molecules by losing some water moleculse in the process. In a dehydration synthesis reaction between two un-ionized monomers. Hope this answers the question. Have a nice day.

6 0

3 years ago