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Rufina [12.5K]
3 years ago
14

HELP!! WILL GIVE BRAINLIEST!!! EASY!!

Chemistry
2 answers:
Leviafan [203]3 years ago
8 0

Answer:

D) Different substances than before are produced

Explanation:

In a chemical reaction, only the atoms present in the reactants can end up in the products. No new atoms are created, and no atoms are destroyed. In a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.

AysviL [449]3 years ago
4 0

Answer:

I'm almost positive its d

Explanation:

hope this helps <3

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__C2H4+__O2--&gt;__CO2+__H2O
mihalych1998 [28]

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Here is your answer mate :D

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O H H H H T A K E T A K E T H A T R U B B E R O F F F * C K T H A T H * E M E A T T O M E A T
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3 0
3 years ago
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Question:
Nikolay [14]

Answer:

Chemistry teacher

Pharmaceuticals

Biochem/biotech

Materials science

Food chemist

Explanation:

Chemistry teaching

Teaching jobs in chemistry can range from teaching in public middle and high schools (bachelor’s degree required) to junior or community college (master’s degree required) to the university level (doctorate required). At the university level, you get to do research along with your teaching responsibilities.

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please give thanks, hit the heart button! :)

5 0
3 years ago
Read 2 more answers
The major elements of organic molecules is carbon identify three other carbon is normally bonded to
arsen [322]
Carbon normally bonded to Hydrogen, Nitrogen, Oxygen
4 0
3 years ago
Express the following in liters at STP:<br><br><br><br> 6.62 x 10-3 moles HF
serious [3.7K]

Answer:

The volume of 6.62×10⁻³moles of HF at STP is 148.38×10⁻³ L

Explanation:

Given data:

Number of moles of HF =  6.62×10⁻³ mol

Volume of HF in litter at STP = ?

Solution:

The given problem will be solve by using general gas equation,

PV = nRT

P= Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

Standard temperature = 273 K

Standard pressure = 1 atm

Now we will put the values in formula.

1 atm × V = 6.62×10⁻³mol ×0.0821 atm.L/ mol.K   × 273 K

V = 6.62×10⁻³mol ×0.0821 atm.L/ mol.K   × 273 K  / 1 atm

V = 148.38×10⁻³ L

Thus, the volume of 6.62×10⁻³moles of HF at STP is 148.38×10⁻³ L.

8 0
3 years ago
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