1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
DENIUS [597]
3 years ago
9

In the combustion chamber of an engine, the initial volume is 450 cm3 at a pressure of 1.0 atmosphere. If the piston displaces 4

02 cm3 of the total, what is the resulting pressure in the combustion chamber? (Assume negligible temperature change.) Hint: Calculate the new volume by subtracting the amount of space the piston takes up from the initial volume
Chemistry
2 answers:
sattari [20]3 years ago
7 0
9.0 atm is the answer 
Yuliya22 [10]3 years ago
4 0

Answer:

9.375 atm  

Explanation:

Initial volume = 450 cm³

Volume displaced by the piston = 402 cm³

Final volume = Initial volume – displaced volume = 450 cm³ – 402 cm³ = 48 cm³

Initial pressure = 1.0 atm

According to Boyle’s Law,  

P₁V₁ = P₂V₂  

where P₁, P₂ are the initial and final pressure respectively, V₁ and V₂ are the initial and final volume respectively.  

Substituting the given data we have,  

450 cm³ x 1 atm = 48 cm³ x P₂  

P₂ = (450 cm³ x 1 atm) / 48 cm³ = 9.375 atm  

You might be interested in
Nai(aq)+hg2(no3)2(aq)→ express your answer as a chemical equation. identify all of the phases in your answer. enter noreaction i
Komok [63]
<span>Balanced chemial equation:

2NaI(aq)+Hg2(NO3)2(aq) →Hg2 I2 (s) + 2 NaNO3 (aq)

You can see it better if I use latex:

2NaI(aq)+Hg_2(NO_3)_2(aq) =Hg_2 I_2 (s) + 2 NaNO_3 (aq)

As per the phases this is the interpretation:

The symbols (aq) stands for aquous meaning that the compound is dissolved in water.

The symbol (s) stands for solid, meaning tha the compound precipitate and is not dissolved in water.</span><span>


</span>
7 0
4 years ago
Human bone does not contain?
tia_tia [17]
Human bone does not contain oxygen
4 0
3 years ago
Entropy of a system decreases with decrease in Temperature T/F
Svet_ta [14]

Answer: The given statement is true.

Explanation:

Entropy means the measure of randomness present in a substance. That is, an increase in temperature will lead cause more motion in the particles of a substance more will be their kinetic energy.

As a result, there will occur more collisions due to which randomness of molecules will increase. Hence, there will be increase in entropy.

So, when we decrease the temperature then there will be decrease in motion of particles. As a result, lesser number of collisions will take place between them. Hence, degree of randomness will also decrease.

Thus, we can conclude the statement entropy of a system decreases with decrease in temperature, is true.

3 0
3 years ago
A mixture of so2(g) and o2(g), formed by the complete decomposition of so3(g), is collected over water at 34°c at a total pressu
Sedbober [7]
The decomposition of so3 to so2 gas and o2 gas can be described in the balanced chemical equation: 

2so3(g) = 2 so2 (g) + 02(g). 

so assuming a complete reaction, the ratio of so2 gas to total products is 2/3 while that of 02 is 1/3. 

Subtracting water's water vapor pressure, 760-40 mm hG = 720 mm Hg.

then the products partial pressures are

so2 = 2/3 * (720) = 480 mm Hg.
o2 = 720-480 = 240 mm Hg.


8 0
3 years ago
What part of the food. chain is a pine?
Otrada [13]
Producer. Hope this helps!
7 0
3 years ago
Other questions:
  • Heart cells require a certain balance of sodium and potassium ions to function. The blood, which is approximately 83% water, car
    8·1 answer
  • Which option is a compound?<br> carbon<br> O carbon dioxide<br> O air<br> O oxygen
    14·1 answer
  • Which radioactive isotope is most useful for determining the age of mastodont bones found in late Pleistocene sediments?
    8·2 answers
  • Given: NaCl + AgNO3 -&gt; AgCl + NaNO3
    9·2 answers
  • Molarity and Dilution
    9·1 answer
  • This isn’t really a school related question. but can you workout with a belly piercing?
    8·2 answers
  • A photon has a frequency of 2.68 x 10^6 HZ calculate it's energy
    14·1 answer
  • Which statement describes the number of protons in each atom of an element? (1 point) o The number of protons is given by the ma
    12·1 answer
  • Which situation would cause a red for an observer on the red planet?
    10·1 answer
  • on 1: A piece of unknown metal weighs 348 g. When the metal piece absorbs 6.64 kJ of heat, its temperature increases from 22.4 °
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!