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3 years ago

(a) Give systematic names or the chemical formulas for the following. Remember, names must

Chemistry

1 answer:

lions [1.4K]3 years ago

7 0

Answer:

[Ni(CO)2C2O4]- Dicarbonyloxalatonickel(0)

K3[Fe(NCO)3(OCN)3-potassiumtricyanatotriisocyanatoferrate II

diammineaquahydroxoplatinum(II) ion- [Pt(NH3)2(H2O)(OH)]^+

Al[Co(CO3)2(CN)2- Aluminiumdicarbonatodicyanocobalt III

ethylenediaminedinitritozinc(II)- Zn(en)(NO2)2

Explanation:

The international Union of Pure and applied chemistry published a set rules for the nomenclature of inorganic compounds in 1985. This set of rules have been consistently revised ever since.

The rules stipulate the order for naming positive ions, negative ions and neutral ligands and the allowed order of preference for naming. It also stipulates the proper endings for ligands which are positive ions, negative ions or neutral ligands as the case may be.

The compounds named above were named in accordance with the revised IUPAC nomenclature for inorganic compounds.

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An aqueous solution of barium hydroxide is standardized by titration with a 0.102 M solution of perchloric acid. If 10.3 mL of b

Vesna [10]

Answer: The molarity of barium hydroxide solution is 0.118 M.

Explanation:

To calculate the concentration of acid, we use the equation given by neutralization reaction:

$n_1M_1V_1=n_2M_2V_2$

where,

$n_1,M_1\text{ and }V_1$ are the n-factor, molarity and volume of acid which is $HClO_4$

$n_2,M_2\text{ and }V_2$ are the n-factor, molarity and volume of base which is $Ba(OH)_2$

We are given:

$n_1=1\\M_1=0.102M\\V_1=24.0mL\\n_2=2\\M_2=?M\\V_2=10.3mL$

Putting values in above equation, we get:

$1\times 0.102\times 24.0=2\times M_2\times 10.3\\\\M_2=0.118M$

Hence, the molarity of $Ba(OH)_2$ solution will be 0.118 M.

6 0

3 years ago

Assuming that all infrared vibrations are active, what is

777dan777 [17]

Answer:

The number of lines possible for SO2 is 3

Explanation:

The following Procedure should be followed when calculating the number of vibrational modes:-

Identify if the given molecule is either linear or non-linear
Calculate the number of atoms present in your molecule
Place the value of n in the formula and solve.

SO2 is a non-linear molecule because it contains a lone pair which causes the molecule to bent in shape hence, The mathematical formula for calculating the number of non-linear molecule in a infrared region is (3n - 6) here n is the number of atoms in molecule.

hence for Sulphur Dioxide (SO2), n will be 3

Therefore, The number of lines possible for SO2 is (3*3) - 6 = 3

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3 years ago

Calculate the pH and pOH of 500.0 mL of a phosphate solution that is 0.285 M HPO42– and 0.285 M PO43–. (Ka for HPO42- = 4.2x10-1

jekas [21]

Answer: when concentrations of acid and base are same, pH = pKa

PH = 12.38 pOH = 1.62

Explanation: pKa= -log(Ka)= 12.38. PH + pOH = 14.00

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3 years ago

NaOH + HCl → NaCl + H2O

bearhunter [10]

Answer:

0.00496 g H2O

Explanation:

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3 years ago

The molecules of DNA produced in replication are...

Elza [17]

A) Identical

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