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3 years ago

What is the molecular formula for chloroform? none of these choices CH3C CHCI3 CH2C12 CCI4

Chemistry

1 answer:

dangina [55]3 years ago

4 0

Answer:

CHCI₃

Explanation:

Chloroform, IUPAC name, trichloromethane, is organic compound with the molecular formula CHCl₃. It is colorless and sweet-smelling liquid having high density which is produced on a large scale precursor of PTFE , and for various refrigerants .

Chloroform , is a powerful euphoriant , anxiolytic , anesthetic and sedative when inhaled or ingested .

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How much heat is released (in calories) by a sample of Pop Tarts burned in a calorimeter if the temperature of the 100 grams of

algol13

Answer:

19437 J

Explanation:

mass = 100 g

Initial Temperature = 23.5°C

Final Temperature = 70°C

Temperature change, ΔT = 70 - 23.5 = 46.5

Heat = ?

The parameters are related by the equation;

H = mc ΔT

where c = specific heat capacity = 4.18 J/g°C

H = 100 * 4.18 * 46.5 = 19437 J

7 0

3 years ago

lead sulfide reacts with oxygen gas to produce lead oxide and sulfur dioxide. if 0.500 moles of o2 were consumed using this chem

Digiron [165]

Easy!

All you have to do is look at the formula.

Lead Sulfide is PbS

Lead Oxide is PbO

Sulfur Dioxide is SO₂

Oxygen is O₂

You would need to balance out the equation, so it would be PbS + O₂ --> PbO + SO₂.

We can balance this out with the following. 2PbS + 2O₂ --> 2PbO + SO₂.

So 0.500 moles of oxygen would be the same conversion rate for PbO so it would also be 0.500 moles of lead oxide (PbO)

7 0

3 years ago

Papessa [141]

Answer:

hydrogen and oxygen>water

8 0

2 years ago

Which particle has the larger radius in each atom/ion pair? 14.2

Pachacha [2.7K]

C I,i- has the largest atomic radius

4 0

3 years ago

Scientists developed a device capable of lowering temperatures in order to slow molecular motion to almost a complete stop. Whic

seropon [69]

Answer:

273k

Explanation:

Soooo... This is a complicated problem.

I dunno. Like... Is this a trick question? Trivia, maybe?

Nahhhhh...

It's just not telling us facts...SOME facts, but we need to use past learning to help us.

FIRST of all, what the heck does K even mean?

Is this a memo? A demo? A KO?

Okay, it's nither of these things.

So, let me tell you what the "K" means.

The K means "Kelvin" which is basically a word form for "-"

I AM NOT MAKING A FACE. IT'S THE WORD FORM FOR MINUS. STOP LAUGHING!!!!

And so... To bring objects to a COMPLEETE SKRRRRRRRRRRRRRRRRRRRRRRT...

It will need to be -273.

This means that the answer is 273k.

Which reminds me, Ima play 2k.

And ima rap to-day.

And now I'm being lame.

Just answer the question :/

3 0

2 years ago