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
MatroZZZ [7]
3 years ago
13

vIt is the middle of winter when you go to the store to buy some balloons for a birthday party. After you get to your car with t

he balloons, you remember you forgot to get a birthday card so you leave the balloons in the car and go back into the store. When you get back to your car the balloons you just bought are now almost flat. Which statement BEST explains what happened?
Chemistry
2 answers:
Scilla [17]3 years ago
7 0

Answer:

???????

Explanation:

sorry i do know

atroni [7]3 years ago
4 0

Answer:

The balloons were filled in a warm room with warm air at a certain volume. When they are brought into the car, which was at a much lower temperature, the air inside the balloons cooled down so much that the volume shrunk in the process. This is in accordance to Charles's law where a decrease in the temperature of the gas causes a reduction in its volume.

You might be interested in
Why is a Container important to the sustainability of your hydroponic system?
sergij07 [2.7K]
Hydroponics is more than just another way to grow plants–the technology has the potential to change how we engage with food cultivation as a whole! For the first time since humans started tilling the land, modern hydroponics technology frees us from the soil beneath our feet, allowing us to bring food production indoors where we can layer in additional climate and lighting controls. The result is an ability to grow food anytime, anywhere in the world.
7 0
3 years ago
During a change of state, the temperature of a substance _____.
Natali5045456 [20]
Hello,

Your questions states:

During a change of state, the temperature of a substance _____?

In which you gave us some choices:

A. decreases if the arrangement of particles in the substance changes.
B. remains constant until the change of state is complete.
C. increases if the kinetic energy of the particles in the substance increases.
D. increases during melting and vaporization and decreases during freezing and condensation.

Your answer would be:

B. remains constant until the change of state is complete.

Your explanation/Reasoning:

It absorbs the energy, then after the phase changes it then increases the temperature all over again.

Have a nice day:)

Hope this helps!

~Rendorforestmusic
4 0
3 years ago
Read 2 more answers
What type of energy is a light switch
topjm [15]

Answer:

electrical

Explanation:

With electrical energy, it's helpful to think of an on/off switch. When the switch is off, the electrical energy is stored as potential energy. When the switch is on, electrical energy is being used as kinetic energy.

7 0
3 years ago
Read 2 more answers
1. Unas de las formas de producir nitrógeno gaseoso (N2) es mediante la oxidación de metilamina (CH3NH2), tal como se muestra en
Maslowich

Answer:

a) 4CH₃NH₂ + 9O₂ ⇄  4CO₂ + 10H₂O + 2N₂    

b) m = 5,043 g

c) % = 69,4 %

Explanation:

a) La ecuación balanceada es la siguiente:

4CH₃NH₂ + 9O₂ ⇄  4CO₂ + 10H₂O + 2N₂              

En el balanceo, se tiene en la relación estequiométrica que 4 moles de metilamina reacciona con 9 moles de oxígeno para producir 4 moles de dióxido de carbono, 10 moles de agua y 2 moles de nitrógeno.  

b) Para determinar la masa de nitrógeno se debe calcular primero el reactivo limitante:

n_{O_{2}} = \frac{m}{M} = \frac{25,6 g}{31,99 g/mol} = 0,800 moles      

n_{CH_{3}NH_{2}} = \frac{4}{9}*0,800 moles = 0,356 moles

De la ecuación anterior se tiene que la cantidad de moles de metilamina necesaria para reaccionar con 0,800 moles de oxígeno es 0,356 moles, y la cantidad de moles iniciales de metilamina es 0,5 moles, por lo tanto el reactivo limitante es el oxígeno.

Ahora, podemos calcular la masa de nitrógeno producida:

n_{N_{2}} = \frac{2}{9}*n_{O_{2}} = \frac{2}{9}*0,8 moles = 0,18 moles

m_{N_{2}} = n_{N_{2}}*M = 0,18 moles*28,014 g/mol = 5,043 g

Por lo tanto, se pueden producir 5,043 g de nitrógeno.

c) El redimiento de la reacción se puede calcular usando la siguiente fórmula:

\% = \frac{R_{r}}{R_{T}}*100

<u>Donde</u>:

R_{r}: es el rendimiento real

R_{T}: es el rendimiento teórico

\% = \frac{3,5}{5,043}*100 = 69,4

Entonces, el procentaje de rendimiento de la reacción es 69,4%.

Espero que te sea de utilidad!        

5 0
3 years ago
What is the unabbreviated electron configuration for Neptunium?
slava [35]

Answer:

Rn 5f4 6d1 7s2

Explanation:

6 0
3 years ago
Read 2 more answers
Other questions:
  • PLEASE HELP I WILL REWARD BRAINLIEST !!!
    9·1 answer
  • Which of the following is an example use of a noble gas?
    11·2 answers
  • What do agents such as chemicals, elevated temperatures, ionizing radiation, and viruses have in common?
    6·1 answer
  • In two or more complete sentences describe a primordial soup and explain its importance.
    14·1 answer
  • Once alcohol is in the bloodstream, it will reach the brain in a few
    12·1 answer
  • What simple machine is a leaf rake
    15·1 answer
  • Please help me ill give brainiest
    7·2 answers
  • Which of the following shows the correct order of the levels of classification form Largest to smallest
    6·1 answer
  • Can someone please help me with my homework
    9·1 answer
  • Convert 380 mmHg to atm.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!