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Orlov [11]
3 years ago
10

What is the name of the compound Sr3N2?

Chemistry
1 answer:
nadezda [96]3 years ago
5 0
The answer is Strontium Nitride
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Give a theoretical reason why lithium and oxygen combine in the ratio 2:1
V125BC [204]
Lithium is in the first column of the periodic table and thus can only form one bond with another atom (its ion is Li+)

Oxygen can form two bonds (as in the dioxygen O2).

Hence if you conbine Li and O it has to be Li2O.
4 0
3 years ago
Which of the following pairs of elements is most likely to form an ionic bond?
omeli [17]
While the other pairs, sodium and potassium are the metals, nitrogen and iodine, chlorine and bromine, helium and oxygen are the non-metals. They do not form ionic bond. Hence, the correct pairs of elements likely to form ionic compounds are, potassium and sulfur, magnesium and chlorine
5 0
3 years ago
Which of the following is an example of an endothermic process? (2 points) Gasoline burning in a combustion engine A chocolate b
frozen [14]

A chocolate bar melting in a hot car

8 0
3 years ago
Read 2 more answers
Why does water evaperate
Juli2301 [7.4K]

Explanation:

water evaporates because when h2o (water) particles heat up, they gain energy causing them to start to vibrate. this moves the oarticles further and further away from eachother and making the substance less dense, and turning it into a gas. meaning it has evaporated

5 0
2 years ago
Read 2 more answers
Write the balanced equation. Then calculate the volume of 0.65 M HCl required to completely neutralize 400.0 ml of 0.88 M KOH.
Misha Larkins [42]
Hello!

The balanced equation for the neutralization of KOH is the following:

HCl(aq) + KOH(aq) → KCl(aq) + H₂O(l)

To calculate the volume of HCl required, we can apply the following equation:

 moles HCl = moles KOH \\  \\ cHCl*vHCl=cKOH*vKOH \\  \\ vHCl= \frac{cKOH*vKOH}{cHCl}= \frac{400 mL*0,88M}{0,65M}=  541,54mL

So, the required volume of HCl is 541,54 mL

Have a nice day!
8 0
3 years ago
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