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katen-ka-za [31]

3 years ago

6

In the tollowing combustion reaction of acetylene (C2H2), how many lters of CO2 will be produced it 60 liters of 02 is used, giv

en that both gases are at STP?

1 answer:

Nina [5.8K]3 years ago

8 0

Under STP 1 mol of gas has volume 22.4 L.

2C2H2 + 5O2 ------> 4CO2 + 2H2O

from reaction 5*22.4 L 4 *22.4L

given 60L x L

x=(60*4 *22.4)/5*22.4 = (60*4)/5 =48 L of CO2

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When the pressure and number of particles are kept constant for a sample of gas, which of the following is also constant for the

Leno4ka [110]

The answer is D....................

7 0

3 years ago

What is the specific latent heat of fusion of ice if it takes 863 kJ to convert 4.6 kg of ice into water at 0 C?

allochka39001 [22]

Answer:

$1^{f} =187.7 \frac{J}{kg}$

Explanation:

SO in order to calculate the specific latent heat of fusion, you need to remember the formula:

$1^{f} =\frac{Q}{m}$

Where $1^{f}$ representes the specific latent heart of fusion.

$Q$ represents the heat energy added, usually represented in kJ

$m$ represents the mass of the object, in kg.

Now that we have our formula we just have to put our values into the formula:

$1^{f} =\frac{Q}{m}$

$1^{f} =\frac{863kJ}{4.6kg}$

$1^{f} =187.7 \frac{J}{kg}$

SO our answer would be $1^{f} =187.7 \frac{J}{kg}$

7 0

3 years ago

WHAT IS THE STOCK NAME FOR FeSO^3

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Hope this helps!

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4 0

3 years ago

When comparing the colors of the following four compounds, which is most likely to appear green? [Co(CN)6]3− [Co(H2O)6]3+ [Co(en

alexandr1967 [171]

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5 0

3 years ago

Read 2 more answers

A balloon contains 5 L of oxygen at a pressure of 90 kPa. How much oxygen will the balloon contain if the pressure is lowered to

laila [671]

Answer is: volume will be 6,7 L.
Boyle's Law: the pressure volume law - <span> volume of a given amount of gas held varies inversely with the applied pressure when the temperature and mass are constant.
p</span>₁V₁ = p₂V₂.
90 kPa · 5 L = 67 kPa · V₂.
V₂ = 90 kPa · 5 L / 67 kPa.
V₂ = 6,7 L, but same amount of oxygen.

7 0

3 years ago