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MArishka [77]
3 years ago
9

Solve B in a complete combustion pleaseee

Chemistry
1 answer:
never [62]3 years ago
3 0

Answer:

2 C2H2 + 5 O ---> 4 CO2 + 2 H2O

Explanation:

combustion reactions always end with CO2 + H2O

and you can use this website to balance out equations when you're stuck

https://en.intl.chemicalaid.com/tools/equationbalancer.php?equation=C2H2+%2B+O2+%3D+CO2+%2B+H2O

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When an atom gains or loses electrons and has and does not have an equal number of
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Answer:

it is called an ion

Explanation:

if it gains electrons then it is an anion

if it gains protons it is a cation

typically non metals are anions and metals are cations

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2 years ago
A salt solution with a volume of 250 mL that contains 0.70 mol NaCl.
uysha [10]
 <span>0.70 mol/0.250 L = 2.8 M</span>
5 0
3 years ago
Part B
iragen [17]

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3 years ago
The pressure of a sample of helium in a 200. ml container is 2.0 atm. If the helium is compressed to a pressure of 40. atm witho
Crank

Answer:

V_2=10mL

Explanation:

Hello there!

In this case, according to the given information, it will be possible for us to solve this problem by using the Boyle's law as an inversely proportional relationship between pressure and volume:

P_2V_2=P_1V_1

In such a way, we solve for the final volume, V2, and plug in the initial volume and pressure and final pressure to obtain:

V_2=\frac{P_1V_1}{P_2} \\\\V_2=\frac{2.0atm*200.mL}{40.atm}\\\\V_2=10mL

Regards!

5 0
3 years ago
Jf,fyu,eudyj,yudu.kjm,fj
dalvyx [7]

Answer:

Yes that is correct

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Si si yes yes

8 0
3 years ago
Read 2 more answers
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