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natka813 [3]
4 years ago
11

What is the orbital diagram of Ni^2+?

Chemistry
1 answer:
Crazy boy [7]4 years ago
4 0
Answer is 3d 4s

and I suggest to also download Socratic it is also very helpful

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You need to determine the mass of an aqueous solution. You determine the mass of your 10.0 mL graduated cylinder to be 23.731 g.
Amanda [17]

Answer: 0.86g/mL

Explanation:

Mass of empty cylinder = 23.731g

Mass of cylinder + liquid = 26.414g

Mass of the liquid = 26.414 — 23.731

= 2.683g

Volume of the liquid = 3.12mL

Density = Mass / volume

Density = 2.683g / 3.12mL

Density = 0.86g/mL

3 0
3 years ago
A balloon of air occupies 10.0L(V2)at25.0°C(T2)and1.00atm(P2). What temperature (T1) was it initially, if it occupied 9.40 L (V1
andrey2020 [161]

Answer: The initial temperature was 263 K

Explanation:

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}

where,

P_1 = initial pressure of gas = 0.939 atm

P_2 = final pressure of gas = 1.00 atm

V_1 = initial volume of gas = 9.40 L

V_2 = final volume of gas = 10.0 L

T_1 = initial temperature of gas = ?

T_2 = final temperature of gas = 25^oC=273+25=298K

Now put all the given values in the above equation, we get:

\frac{0.939\times 9.40}{T_1}=\frac{1.00\times 10.0}{298}

T_1=263K

Thus the initial temperature was 263 K

4 0
3 years ago
This family (ethane, propane, butane, etc) of materials is likely to have what set of properties?
Ilya [14]

This family (ethane, propane, butane, etc) of materials is likely to have following set of properties.

  • The alkanes are non- polar solvents.
  • The alkanes are immiscible in water but freely miscible in other non-polar solvent .
  • The alkanes are consisting of weak dipole dipole bonds can not breaks the strong hydrogen bond.
  • The alkanes having only carbon (C) and hydrogen (H) atom which is bonded by a single bonds only.
  • The alkanes posses weak force of attraction that is weak van der waals force of attraction.

The ethane, propane, butane, belong to alkanes family.The alkanes are also considers as saturated hudrocarbons. Ethane is found in gaseous stae Ethane is the second alkane followed by propane followed by butane.

learn about butane

brainly.com/question/14818671

#SPJ4

7 0
2 years ago
The oxidation number of all the element in free state is 0​
Art [367]

Answer:

Zero-Nine

Explanation:

this is becasue these numbers are rather small and if you plug these numbers into an equation you will most likely get 0.

8 0
3 years ago
Over time Pangaea broke apart to form other continents.
Vikentia [17]
Africa, South America, Antarctica, Australia, and the subcontinent of India would be the answer…
8 0
3 years ago
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