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faust18 [17]
4 years ago
13

State the type of reaction

Chemistry
2 answers:
IgorC [24]4 years ago
7 0

Answer:

The bottom is a single reaction. The top reaction makes no sense. 1st law of thermodynamics cannot be violated by the loss of half of the oxygen. On the reactant side there are 4 oxygens with only 2 on the product side. I’d be asking your instructor what happened to the rest.

Explanation:

Ghella [55]4 years ago
3 0
The bottom one would be a chemical reaction but the top one is e top one is strange because matter leaves which is impossible
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What instrument is used to find the density of an object
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Answer:

Hydrometers

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Explanation:

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4 years ago
A 20 L cylinder of gas at 5.6 atm pressure at 35 degrees Celsius is heated to 95 degree Celsius and compared to 23 atm. What is
ella [17]

Answer:

5.8 L  

Step-by-step explanation:

This looks like a case where we can use the <em>Combined Gas Law</em> to calculate the temperature.

p₁V₁/T₁ = p₂V₂/T₂               Multiply both sides by T₂

p₁V₁T₂/T₁ = p₂V₂                Divide each side by V₂

V₂ = V₁ × p₁/p₂ × T₂/T₁  

=====

<em>Data</em>:

p₁ = 5.6 atm

V₁ = 20 L

T₁ = 35 °C = 308.15 K

p₂ = 23 atm

V₂ = ?

T₂ = 95 °C = 368.15 K

=====

<em>Calculation: </em>

V₂ = 20 × 5.6/23 × 368.15/308.15  

V₂ = 20 × 0.243 × 1.19  

V₂ = 5.8 L  

6 0
3 years ago
According to Le Châtelier's principle, what happens if heat is added to a system? apex
anzhelika [568]

Explanation:

Le Chatelier's principle states that for a long period of time if a system is at equilibrium and it is subjected to change in concentration, temperature, volume or pressure then the system shifts to a new equilibrium.

This change will partly counter acts the applied change.

Therefore, when heat is added to the system then equilibrium will shift to the side where temperature or heat is reduced again.

For example,    A + 2B \leftrightharpoons C + D      

Since heat is added to the system, hence, system will shift to the left side or we can say equilibrium will shift to the backward direction.

4 0
4 years ago
Read 2 more answers
BRAINLIESTTT ASAP!!! PLEASE HELP ME :)
Alex_Xolod [135]

It is the 3rd option. Theories must be substantiated by a large amount of evidence and previous research

5 0
4 years ago
If a system has 275 kcal of work done to it, and releases 5.00 × 10 2 kJ of heat into its surroundings, what is the change in in
Alborosie

Answer:

attached below

Explanation:

8 0
4 years ago
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