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
Nataly_w [17]
2 years ago
8

Avogadro‘s number was calculated by determining The number of atoms in

Physics
1 answer:
Lady_Fox [76]2 years ago
7 0

Answer:

12 grams of the isotope carbon-12.

Explanation:

hope it helps you and give me a brainliest

You might be interested in
The figure below shows a shooting competition, where air rifles fire soft metal at distant targets
bekas [8.4K]

Answer:

where is the figure?

Explanation:

6 0
3 years ago
Summerize how friction and inertia act on an object sliding on a flat surface
natta225 [31]
Inertia is when a object in motion will stay in motion or in a standing still state unless acted upon by a unbalancing force.
Friction is when a object slows down because it is rubbing against another object.

If a object is sliding across a surface, theoretically, it would not stop but because it is on a flat surface it would experience friction, this will disperse some of the kinetic energy that it has thus slowing the object down eventually, after some time, to a stop.

Hope this helps! :)
5 0
3 years ago
a reaction occurs in which carbon combines with sulfur to form carbon disulfide is this a chemical reaction or a nuclear reactio
romanna [79]

Answer:

a chemical reaction where electrons mix.

Explanation:

A nuclear reaction is when atomic nuclei combine, forming a new chemical element

A chemical reaction occurs when electrons from the last layer of atoms mix, forming molecules that have the same chemical elements as the reactants.

According to these definitions

           C + 2 S → CS2

in a chemical reaction where electrons mix.

7 0
3 years ago
Read 2 more answers
Water, initially saturated vapor at 4 bar, fills a closed, rigid container. The water is heated until its temperature is 360°C.
salantis [7]

Explanation:

Using table A-3, we will obtain the properties of saturated water as follows.

Hence, pressure is given as p = 4 bar.

u_{1} = u_{g} = 2553.6 kJ/kg

v_{1} = v_{g} = 0.4625 m^{3}/kg

At state 2, we will obtain the properties. In a closed rigid container, the specific volume will remain constant.

Also, the specific volume saturated vapor at state 1 and 2 becomes equal. So, v_{2} = v_{g} = 0.4625 m^{3}/kg

According to the table A-4, properties of superheated water vapor will obtain the internal energy for state 2 at v_{2} = v_{g} = 0.4625 m^{3}/kg and temperature T_{2} = 360^{o}C so that it will fall in between range of pressure p = 5.0 bar and p = 7.0 bar.

Now, using interpolation we will find the internal energy as follows.

 u_{2} = u_{\text{at 5 bar, 400^{o}C}} + (\frac{v_{2} - v_{\text{at 5 bar, 400^{o}C}}}{v_{\text{at 7 bar, 400^{o}C - v_{at 5 bar, 400^{o}C}}}})(u_{at 7 bar, 400^{o}C - u_{at 5 bar, 400^{o}C}})

     u_{2} = 2963.2 + (\frac{0.4625 - 0.6173}{0.4397 - 0.6173})(2960.9 - 2963.2)

                   = 2963.2 - 2.005

                   = 2961.195 kJ/kg

Now, we will calculate the heat transfer in the system by applying the equation of energy balance as follows.

      Q - W = \Delta U + \Delta K.E + \Delta P.E ......... (1)

Since, the container is rigid so work will be equal to zero and the effects of both kinetic energy and potential energy can be ignored.

            \Delta K.E = \Delta P.E = 0

Now, equation will be as follows.

           Q - W = \Delta U + \Delta K.E + \Delta P.E

           Q - 0 = \Delta U + 0 + 0

           Q = \Delta U

Now, we will obtain the heat transfer per unit mass as follows.

          \frac{Q}{m} = \Delta u

         \frac{Q}{m} = u_{2} - u_{1}

                      = (2961.195 - 2553.6)

                      = 407.595 kJ/kg

Thus, we can conclude that the heat transfer is 407.595 kJ/kg.

4 0
2 years ago
What must you do to calculate a meaningful value of distance from the following equation?
ss7ja [257]

Answer:

Convert all the times to either hours or seconds

Explanation:

One time unit is in hours, and the other is in seconds.  In order to do the math, the units need to be the same.  So you either need to convert hours to seconds, or seconds to hours.

5 0
2 years ago
Read 2 more answers
Other questions:
  • A xenon arc lamp is covered with an interference filter that only transmits light of 400-nm wavelength. When the transmitted lig
    10·2 answers
  • A car moving at 50 km/h skids 15 m with locked brakes. How far will the car skid with locked brakes at 150 km/h
    15·2 answers
  • Do air bags increase pressure on the body during an accident
    5·1 answer
  • What radiation do remote controls use?
    13·1 answer
  • What is the equivalent resistance between points A and C if R1=1430, R2=1350, R3=1100, R4=1350, and R5=1150.
    5·1 answer
  • True or false <br> A ball thrown horizontally.Gravity causes the ball to continue horizontally.
    14·2 answers
  • Which word best describes the tone of the poem "Sir Isaac Newton"? A. magical B. mystical C. series D. humorous
    9·2 answers
  • Currently, the Sun is thought to be located in the galactic _____________ about ____________ the center of the galaxy.
    12·1 answer
  • A 2000 kg car experiences a braking force of 10000N and skids to a 14 m stop. What was the speed of the car just before the brak
    15·1 answer
  • If force = mass x acceleration, then if an object has a mass of 10 grams
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!