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Radda [10]
4 years ago
15

In a sample of solid ba(no3)2 the ratio of barium ions to nitrate ions is

Chemistry
1 answer:
Nata [24]4 years ago
7 0
I believe the ratio is 1:2
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Consider the covalent bonding in the molecule acetylene [ah-SET-ihl-een], and assume that the carbon-carbon axis is the x-axis.
kirza4 [7]

Answer:

2py and 2pz orbitals

Explanation:

Each carbon atom still has two half-filled 2py and 2pz orbitals, which are perpendicular both to each other and to the line formed by the sigma bonds. These two perpendicular pairs of p orbitals form two pi bonds between the carbons, resulting in a triple bond overall (one sigma bond plus two pi bonds).

6 0
3 years ago
What is the molarity of a solution that contains 0.400 mol HCl in 9.79 l solution?
Maslowich

Answer:

  • Option B, 0.0409 M

Explanation:

<u>1) Data:</u>

a) M = ?

b) n = 0.400 mol

V = 9.79 liters

<u>2) Formula:</u>

  • M = n / V (in liters)

<u>3) Solution:</u>

  • M = 0.400 mol / 9.79 liter = 0.04086 M

  • Since each data contain 3 significant digits, the answer must be reported with 3 significant digits. So, the correct answer is 0.0409 M, which is the option B.
8 0
4 years ago
If an acid is splashed on your skin, wash at once with
olga55 [171]
D. plenty of water

First, the affected area is washed with plenty of water for 15-20 minutes. Then washed with a weak solution of sodium bicarbonate.

H⁺ + HCO₃⁻ → H₂O + CO₂
6 0
3 years ago
34. Describe the spontaneous flow of heat between objects at different temperatures.
Temka [501]

A spontaneous flow of thermal energy takes place from hot to cold. In order to flow thermal energy from a colder object to a hotter object, the work has to be implied on the system. The particle at higher temperature exhibits more kinetic energy in comparison to the particle at a lower temperature. Thus, there is a continuous flow of heat between the objects from the higher temperature to the lower temperature.

5 0
3 years ago
Meglieb need help again pls... just check my answer
dimulka [17.4K]

Answer:

ya thats right

Explanation:

here is one explanation i found on the web:

Answer: The true statements are "the operation of a motor depends on the relationship between electric and magnetic forces" and "Electric forces and magnetic forces are different aspects of a single electromagnetic force.".

Explanation:

The electric force is due to the forces acting between the charges. The magnetic force is the force exerted between the magnets or moving charged particles.

The electromagnetic force is created by the magnetic field and the electric field.

The magnetic force is related to the electric force. These forces are different aspects of single electromagnetic force. The moving charge produce the magnetic force. The moving magnet produce the electric forces. The interplay of electric field and the magnetic force is the basis for motor.

Motor converts the electrical energy into mechanical energy. The operation of a motor depends on the relationship between electric and magnetic forces.

Therefore, the true statements are "the operation of a motor depends on the relationship between electric and magnetic forces" and "Electric forces and magnetic forces are different aspects of a single electromagnetic force.".

5 0
3 years ago
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