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rodikova [14]
3 years ago
8

What is the most common isotope for element X

Chemistry
1 answer:
ankoles [38]3 years ago
5 0

Answer:

isotope 2

Explanation:

it has the highest percentage abundance

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Explain the difference between an ignition transformer and a solid-state igniter
bazaltina [42]

Ignition transformer

1.      Weight of the transformer is more.

2.      Voltage output of the transformer is from 10,000 volts to 14,000 volts.

3.      Due to lower voltage output, fuel vaporization and ignition will be slow.

4.      When there is a drop in voltage supply, the transformer gets affected.

5.      Consumption of electricity is more.

 

Solid state igniter.

1.      Igniter weighs very light

2.      Igniter giver voltage output in the range of 14,000 volts to 20,000 volts

3.      Higher voltage output leads to faster vaporization of fuel and ignition

4.      Very small affect is observed when there is a voltage drop.

5.      Less electricity is consumed.

3 0
4 years ago
Iron reacts with oxygen to produce iron(iii) oxide.4 fe(s) + 3 o2(g) → 2 fe2o3(s)if 6.4 moles of fe react with excess o2, how ma
sattari [20]
3.2mol
hope it can help you
4 0
3 years ago
Use the information below to explain why the atomic radius decreases down a group.
notsponge [240]

Answer:

Detail is given below

Explanation:

Atomic radii trend along group:

As we move down the group atomic radii increased with increase of atomic number. The addition of electron in next level cause the atomic radii to increased. The hold of nucleus on valance shell become weaker because of shielding of electrons thus size of atom increased.

As the size of atom increases the ionization energy from top to bottom also  decreases because it becomes easier to remove the electron because of less nuclear attraction and as more electrons are added the outer electrons becomes more shielded and away from nucleus.

In A we can see that there is one positive charge and force of attraction is 2.30×10⁻⁸ N and distance is 0.10 nm

In B we can see that negative charge is further away from nucleus because of greater distance thus force of attraction will be less. 0.58×10⁻⁸ N

In C this distance further increases and force also goes in decreasing 0.26×10⁻⁸ N.

3 0
3 years ago
What volume of beaker contains exactly 2.23x10^-2 mol of nitrogen gas at STP?
nikklg [1K]

Answer:

V = 0.5 L

Explanation:

Given data:

Moles of nitrogen = 2.23×10⁻² mol (0.0223 mol)

Temperature = 273 K

Pressure = 1 atm

Volume = ?

Solution:

PV = nRT

V = nRT / P

V = 0.0223 mol × 0.0821 atm. mol⁻¹. L . k⁻¹ × 273 K / 1 atm

V = 0.5 L

4 0
4 years ago
What is the net ionic equation for the precipitation reaction between bacl2 and na2so4? a bacl2(aq + na2so4(aq ? baso4(s + 2nacl
Ugo [173]
BaCl₂(aq) + Na₂SO₄(aq) = BaSO₄(s) + 2NaCl(aq)

Ba²⁺(aq) + 2Cl⁻(aq) + 2Na⁺(aq) + SO₄²⁻(aq) = BaSO₄(s) + 2Na⁺(aq) + 2Cl⁻(aq)

Ba²⁺(aq) + SO₄²⁻(aq)= BaSO₄(s)



8 0
3 years ago
Read 2 more answers
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