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Lapatulllka [165]
3 years ago
7

Can u answer all of em

Chemistry
1 answer:
TiliK225 [7]3 years ago
8 0

Answer:

one is across

Explanation:

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Predict whether each of the following molecules is polar or nonpolar? 1. XeF4 3. CCl4 5. CH3Br
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The answer the following are as follows:

<span> 1. XeF4 - molecules are polar

3. CCl4 -  molecules are polar

5. CH3Br - molecules are non-polar

 I hope my answer has come to your help. God bless and have a nice day ahead!</span>
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3 years ago
2c8h18(g 25o2(g→16co2(g 18h2o(g how many moles of water are produced in this reaction
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3 years ago
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Enter a balanced equation for the reaction between aqueous lead (II) nitrite and aqueous lithium chloride to form solid lead (II
Dominik [7]

Answer:

Pb(NO₂)₂(aq) + 2 LiCl(aq) ⇒ PbCl₂(s) + 2 LiNO₂(aq)

Explanation:

Let's consider the reaction between aqueous lead (II) nitrite and aqueous lithium chloride to form solid lead (II) chloride and aqueous lithium nitrite.

Pb(NO₂)₂(aq) + LiCl(aq) ⇒ PbCl₂(s) + LiNO₂(aq)

This is a double displacement reaction. We will start balancing Cl by multiplying LiCl by 2.

Pb(NO₂)₂(aq) + 2 LiCl(aq) ⇒ PbCl₂(s) + LiNO₂(aq)

Now, we have to balance Li by multiplying LiNO₂ by 2.

Pb(NO₂)₂(aq) + 2 LiCl(aq) ⇒ PbCl₂(s) + 2 LiNO₂(aq)

The equation is now balanced.

4 0
3 years ago
What is the relationship between events and patterns?
MAXImum [283]
Events that happen over and over create/become a pattern
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I believe the correct answer from the choices listed above is option A. <span>A forward reaction in which adding heat decreases product formation is exothermic, while a forward reaction in which adding heat increases product formation is endothermic. Exothermic would mean that heat is being released by the process while the opposite is called endothermic in which it absorbs heat.</span>
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