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3 years ago

"Working on rigs is dangerous due to explosions and weather"

Chemistry

2 answers:

GarryVolchara [31]3 years ago

5 0

Using oil as energy
Hope this helps!:)

agasfer [191]3 years ago

3 0

This would apply to when you’re using oil energy

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What is the value for AG at 100 K if AH = 27 kJ/mol and AS = 0.09 kJ/mol.K)?

Aleonysh [2.5K]

The value for ΔG = 18 kJ/mol

<h3>Further explanation</h3>

Given

ΔH = 27 kJ/mol and ΔS = 0.09 kJ/mol.K

T = 100 K

Required

the value for ΔG

Solution

The spontaneous process of a reaction is based on 2 factors :

enthalpy change ΔH decreases and
entropy change ΔS increases

ΔG=ΔH-T.ΔS

$\tt \Delta G=27~kJ/mol-100\times 0.09~kJ/mol.K\\\\\Delta G=18~kJ/mol$

5 0

3 years ago

What is the formula for silicon tetrabromide?

bogdanovich [222]

Answer:

SiBr4

Explanation:

5 0

3 years ago

Read 2 more answers

2 AIPO4 + 3 BaCl2 --> 2 AICIz + 1 Baz(PO4)2

givi [52]

Answer:

12.3 moles of $AlCl_{3}$ are produced by reacting 18.4 moles of $BaCl_{2}$ .

Explanation:

Balanced reaction: $2AlPO_{4}+3BaCl_{2}\rightarrow 2AlCl_{3}+Ba_{3}(PO_{4})_{2}$

According to balanced equation:

3 molecules of $BaCl_{2}$ produce 2 molecules of $AlCl_{3}$

So $3N_{A}$ molecules of $BaCl_{2}$ produce $2N_{A}$ molecules of $AlCl_{3}$ ( $N_{A}$ is avogadro number).

We know 1 mol of molecule = $N_{A}$ number of molecules.

So 3 moles of $BaCl_{2}$ produce 2 moles of $AlCl_{3}$ .

Hence 18.4 moles of $BaCl_{2}$ produce $(\frac{2}{3}\times 18.4)$ moles of $AlCl_{3}$ or 12.3 moles of $AlCl_{3}$ .

3 0

4 years ago

I NEED HELP PLEASE!!!!!

lisov135 [29]

Atoms can be divided more so thats not true. atoms from the same element arent all nesacarly identical because of isotopes

7 0

3 years ago

Read 2 more answers

Help with this worksheet please (24pts)

Igoryamba

Atoms that loss or gain electrons are called ions. There are two types of ions: cations and anions.
Here, 2+ represents that Calcium (Ca) should gain 2 more electrons so that its number equals to that of protons.
3- represents that Nitrogen (N) should loss 3 electrons to equivalent with the number of protons.
Here, anions are S^2-, P^3-, Se^2-, Br^-.
While cations are Cr^3+, Ag^+, Li^+, Ba^2+.
The number of protons of Magnesium (Mg) = 12
The number of nuetrons of Mg = 12
The number of electrons of Mg = 12

Hope you could get an idea from here.

Doubt clarification - use comment section.

7 0

2 years ago