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postnew [5]
3 years ago
9

One important difference between covalent and ionic bonds is that

Chemistry
1 answer:
kobusy [5.1K]3 years ago
3 0
A) ionic bonds “steal” electrons nad the bond is formed by the attraction of the ions. Covalent bonds share electrons
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Balance the following reaction: _Na3PO4+_Ca(NO3)2-->_NaNO3+_Ca3(PO4)2
erica [24]

The balanced equation

2Na₃PO₄+3Ca(NO₃)₂⇒6NaNO₃+Ca₃(PO₄)₂

<h3>Further explanation</h3>

Given

Reaction

_Na3PO4+_Ca(NO3)2-->_NaNO3+_Ca3(PO4)2

Required

Balanced equation

Solution

Give a coefficient

aNa₃PO₄+bCa(NO₃)₂⇒cNaNO₃+Ca₃(PO₄)₂

Ca, left=b, right = 3⇒ b=3

P, left=a, right = 2⇒a=2

Na, left=3a, right=c⇒3a=c⇒3.2=c⇒c=6

The equation becomes :

2Na₃PO₄+3Ca(NO₃)₂⇒6NaNO₃+Ca₃(PO₄)₂

4 0
3 years ago
A volume of 100 mL of 1.00 M HCl solution is titrated with 1.00 M NaOH solution. You added the following quantities of 1.00 M Na
sukhopar [10]

Answer:

50.0 mL of 1.00 M NaOH

Explanation:

4 0
4 years ago
The molecular formula for caffeine is C8H10N4O2. Which of the following elements is not found in caffeine? carbon helium nitroge
madreJ [45]
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8 0
3 years ago
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Is the reaction between methane and oxygen endothermic or exothermic? Explain why we burn fossil fuels, such as natural gas.
vladimir1956 [14]
The thing that governs whether a reaction is exothermic is the energy given out / used up to break / form the bonds in the reaction. 

<span>When two substances react, the bonds in those substances first break up, releasing energy, before re-forming in a different way, taking in energy. The nature of the bonds that are broken up and reformed determines whether more energy is given out (exothermic) or taken in (endothermic)</span>
6 0
4 years ago
Identify three sources of point-source pollution.
pav-90 [236]
Oil spills, trash dumping, and sludge dumping are the sources of point- source pollution
8 0
3 years ago
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