3 years ago

Are you lost babygorl? inserts f boy face

Chemistry

2 answers:

Vanyuwa [196]3 years ago

3 0

Answer:

Explanation:

im not

...<3

marysya [2.9K]3 years ago

3 0

Bbahahahaha..…No :)

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A 0.1326 g sample of magnesium was burned in an oxygen bomb calorimeter. the total heat capacity of the calorimeter plus water w

Sladkaya [172]

Answer: Th enthalpy of combustion for the given reaction is 594.244 kJ/mol

Explanation: Enthalpy of combustion is defined as the decomposition of a substance in the presence of oxygen gas.

W are given a chemical reaction:

$Mg(s)+\frac{1}{2}O_2(g)\rightarrow MgO(s)$

$c=5760J/^oC$

$\Delta T=0.570^oC$

To calculate the enthalpy change, we use the formula:

$\Delta H=c\Delta T\\\\\Delta H=5760J/^oC\times 0.570^oC=3283.2J$

This is the amount of energy released when 0.1326 grams of sample was burned.

So, energy released when 1 gram of sample was burned is = $\frac{3283.2J}{0.1326g}=24760.181J/g$

Energy 1 mole of magnesium is being combusted, so to calculate the energy released when 1 mole of magnesium ( that is 24 g/mol of magnesium) is being combusted will be:

$\Delta H=24760.181J/g\times 24g/mol\\\\\Delta H=594244.3J/mol\\\\\Delta H=594.244kJ/mol$

4 0

3 years ago

When dissolved sodium hydroxide reacts with hydrogen sulfate, aqueous sodium, sulfate, water, and heat are formed. Write out the

nignag [31]

Answer:

2 NaOH(aq) + H2SO4(aq) ⇒ Na2SO4 (aq) + 2 H2O(l)

Explanation:

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3 years ago

Which of the following is always true when a substance undergoes a physical change

MissTica

I believe it's letter C.

4 0

3 years ago

What things are good insalators

Masteriza [31]

<span>Wood
Plastic
Porcelain
Rubber
Ceramic<span>
Asphalt

Those are just some of them

https://www.reference.com/science/materials-good-insulators-b06a490d0e37f88b
</span></span>

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2 years ago

Write the symbol for the ions that form of the follown compound

sattari [20]

Answer:

it can be negative or positive symbols

Explanation:

but there are no compounds given here

8 0

2 years ago

Are you lost babygorl? *inserts f boy face*

Are you lost babygorl? inserts f boy face