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Anna71 [15]
3 years ago
13

C2H2+O2–>Co2+H2O what is true of the chemical equation shown

Chemistry
1 answer:
mash [69]3 years ago
7 0

Answer:

It is a combustion reaction

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Use the Periodic Table. Choose the correct electron configuration of carbon using the data shown in the electron configuration c
AleksAgata [21]

I think I have done a question like this before and i'm pretty sure your answer would be the 2nd one 1s22s22p4. I'm not 100% sure but try it at least.

4 0
3 years ago
Read 2 more answers
Will the composition of water molecules vary depending on their source?
Alecsey [184]

Answer:

It does not matter where the sample of water came from or how it was prepared. Its composition, like that of every other compound, is fixed.

6 0
2 years ago
Draw the lewis structure for bef2 in the box at the right, including lone pairs.
Kamila [148]

Answer :

Lewis-dot structure : It shows the bonding between the atoms of a molecule and the unpaired electrons present in the molecule.

The given molecule is, BeF_2

Beryllium has '2' valence electrons and fluorine has '7' valence electrons. Beryllium is the central atom and fluorine is the terminal atom.

Total number valence electrons in BeF_2 = 2 + 2(7) = 16

According to the Lewis-dot structure, there are '4' number of bonding electrons and 12 number of non-bonding electrons (lone-pair).

The Lewis-dot structure is shown below.

3 0
2 years ago
60.61 g of CuNO3 is dissolved in water to make a 0.400 M solution. What is the volume of the solution in liters? The molar mass
spayn [35]

Answer:

the answer should be 0.47

Explanation:

8 0
2 years ago
A sample of an ideal gas has a volume of 2.31 l at 287 k and 1.10 atm. calculate the pressure when the volume is 1.45 l and the
balu736 [363]
Hello!

The pressure of the Ideal Gas when the volume is 1,45 L and the temperature is 298 K is 1,82 atm.

To solve this problem we need to apply the Ideal Gas Law for the initial conditions and the final ones, clearing the equation for the number of moles (n) and the ideal gas constant (R) which remain constant:

P_n*V_n=n*R*T_n \\ \\ n*R= \frac{P_n*V_n}{T_n}

Now we match n*R for the initial conditions (1) and the final ones (2), clearing the equation for P₂

\frac{P_1*V_1}{T_1}= \frac{P_2*V_2}{T_2} \\ \\ P_2= \frac{P_1*V_1*T_2}{T_1*V_2}= \frac{1,10 atm*2,31 L *298 K}{287K*1,45 L}=1,82 atm

Have a nice day!

7 0
3 years ago
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