If an ice cube with the mass of 5.0 grams melts in a closed system such as closed glass jar, what is the mass of the liquid water after the ice cubes completely melts?


A) 4.0 grams

B) 5.0 grams

C) 6.0 grams

D) The mass cannot be determined without knowing the volume.

In this process, the volume of the gas is held constant. This is because when a gas is heated, it expands. If the volume of the gas is held constant, then the pressure of the gas must also be held constant.

What is gas?
One of the four basic states of matter is gas. Individual atoms may make up a pure gas (such as a noble gas such as neon), elemental molecules made of a single type of atom (such as oxygen), as well as compound molecules made of a number of different atoms (e.g. carbon dioxide). A variety of pure gases can be found in a gas mixture like air. The vast distance between each individual gas particle is what separates gases from liquids and solids. A colourless gas is typically rendered invisible to a human observer by this separation. Between the liquid as well as plasma states, where the latter sets the upper temperature limit for gases, is where matter is in its gaseous state. Degenerative quantum gases, which encircle the lower end of a temperature scale, are receiving more and more attention.

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Unlike acceleration and velocity, speed does not need to specify the direction of motion. Speed is a scalar quality.

Answer:

Your tortilla would weigh 75 grams total.

Explanation:

55 grams of flour + 20 grams of water = 75 grams total

The tortilla should have a mass of 75 grams.

A mixture is a combination of two or more substances that are not chemically bonded and can be separated by physical means. In a mixture, each substance retains its own chemical identity and properties. The properties of a mixture can vary depending on the relative amounts of the substances that are mixed together.

There are two main types of mixtures: homogeneous and heterogeneous.

1. Homogeneous mixtures: These are also called solutions, and they have a uniform composition throughout. The components of a homogeneous mixture are not visible to the bare eye and cannot be separated by simple mechanical means. Examples of homogeneous mixtures include salt water, sugar in water, and air.

2. Heterogeneous mixtures: These are mixtures that do not have a uniform composition throughout. The components of a heterogeneous mixture are visible to the bare eye, and they can be separated by mechanical means such as filtration, sedimentation, or decantation. Examples of heterogeneous mixtures include a mixture of oil and water, a salad, and a mixture of sand and pebbles.

Here in the Question,

The total mass of the tortilla will be the sum of the mass of flour and the mass of water used to make it. So, the tortilla should have a mass of:

55 grams (flour) + 20 grams (water) = 75 grams.

Therefore, the Total mass of the tortilla is 75 Grams.

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An electric motor has an effective resistance of 29. 4 ω and an inductive reactance of 42. 6 ω. When working under load. the rms voltage across the alternating source is 442 v.  The rms current will be  8.54 A

AC stands for “Alternating Current,” meaning voltage or current that changes polarity or direction, respectively, over time. AC electromechanical generators, known as alternators, are of simpler construction than DC electromechanical generators.

RMS or root mean square current/voltage of the alternating current/voltage represents the D.C current/voltage that dissipates the same amount of power as the average power dissipated by the alternating current/voltage. For sinusoidal oscillations, the RMS value equals peak value divided by the square root of 2.

I (RMS) = RMS voltage / \(\sqrt{R^{2}+ X_{L} { ^{2} }\)

           =  442 / \(\sqrt{29.4^{2} + 42.6^{2} }\)

           = 442 / \(\sqrt{864.36 + 1814.76}\)

           = 442 / \(\sqrt{2679.12}\)

           = 8.54 A

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Answer:

Acceleration = Change in Velocity/Time

Change in Velocity = 36-18 = 18 km/h=5 m/s

Time= 5 Seconds

Acceleration = 5/5= 1 m/s2

Equation of motion,s=ut+(1/2)at2

u=18 km/h=5 m/s

t=5 s

a=1 m/s2

s= (5*5)+(1/2*1*5*5)

s=25+12.5 i.e., s=37.5 m

Hope you are clear with my explanations

In the late 19th century, studies of spectral lines and certain other phenomena were conducted, which helped in the development of quantum mechanics. The Bohr Model of the atom was the first atomic model to describe the atom's internal structure. It became clear, however, that the Bohr model was only successful for atoms with one electron, such as hydrogen. Atoms with more than one electron were more difficult to explain with this model.

Therefore, it became necessary to come up with a new model of the atom that could explain atoms with more than one electron. The quantum-mechanical model of the atom became necessary to overcome the limitations of the classical physics. According to classical mechanics, electrons should release electromagnetic radiation as they move in their orbits, which causes their orbit to collapse and the electrons to spiral into the nucleus. This theory was unable to explain the stability of atoms with more than one electron. As a result, the quantum-mechanical model of the atom was developed to overcome this limitation. The quantum-mechanical model is a model of the atom that combines quantum mechanics with classical mechanics.

In the quantum-mechanical model of the atom, electrons are not assumed to move in specific orbits. Rather, they move in orbitals, which are regions of probability where electrons are likely to be found. The quantum-mechanical model is a more accurate representation of the behavior of electrons in atoms. This is because it takes into account the wave-like properties of electrons, which classical mechanics does not. The quantum-mechanical model of the atom is essential for our understanding of chemical bonding. Chemical bonding is the process by which atoms combine to form molecules. The properties of a molecule depend on the arrangement of its atoms and the arrangement of electrons around the atoms.

The quantum-mechanical model allows us to predict the arrangement of electrons in molecules, which is essential for understanding chemical bonding. In conclusion, the quantum-mechanical model of the atom became necessary because the classical mechanics were unable to explain the behavior of electrons in atoms with more than one electron. The quantum-mechanical model is more accurate than the classical mechanics and has become essential to our understanding of chemical bonding.

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Answer:

x=-2 and y=3

Explanation:

Isolate y and then x to get: y=13+5(-2)

Simplify to get y=3 then plug it back in to get x=-2

We can check, 9+ (-4)=5 hope this helps

Answer:

vb = 22.13 m/s

So, the only thing that was measured here was the height of point A relative to point B. And the Law of Conservation of Energy was used.

Explanation:

In order to find the speed of roller coaster at Point B, we will use the law of conservation of Energy. In this situation, the law of conservation of energy states that:

K.E at A + P.E at A = K.E at B + P.E at B

(1/2)mvₐ² + mghₐ = (1/2)m(vb)² + mg(hb)

(1/2)vₙ² + ghₐ = (1/2)(vb)² + g(hb)

where,

vₙ = velocity of roller coaster at point a = 0 m/s

hₙ = height of roller coaster at point a = 25 m

g = 9.8 m/s²

vb = velocity of roller coaster at point B = ?

hb = Height of Point B = 0 m (since, point is the reference point)

Therefore,

(1/2)(0 m/s)² + (9.8 m/s²)(25 m) = (1/2)(vb)² + (9.8 m/s²)(0 m)

245 m²/s² * 2 = vb²

vb = √(490 m²/s²)

vb = 22.13 m/s

So, the only thing that was measured here was the height of point A relative to point B. And the Law of Conservation of Energy was used.

Answer: 8.1m/s^2

Explanation:

For this question, in order to solve it, we have to use the second equation of motion which will be:

s = ut + 1/2at^2

where,

u = initial velocity

v = final velocity

t = time

a = acceleration

Since u = 0, then

a = 2s/t^2

a = 2 × 110/5.21^2

a = 220/27.1441

a = 8.1m/s^2

The purpose of this lab is to investigate and understand the processes and factors involved in the formation of the solar system.

By conducting experiments and analyzing data, we aim to gain insights into the origin of our planetary system, including the formation of the Sun, planets, moons, asteroids, and comets.

Through this lab, we seek to explore various theories and models proposed by scientists to explain the formation of the solar system. This involves studying concepts such as the nebular hypothesis, accretion, gravitational collapse, and planetary differentiation.

By conducting experiments and simulations, we can recreate some of the conditions that existed during the early stages of the solar system's formation and observe the outcomes.

Additionally, this lab allows us to understand the composition, structure, and dynamics of the solar system through the analysis of meteorites, lunar samples, and remote sensing data from space missions.

By examining these samples and data, we can draw conclusions about the processes that occurred billions of years ago, shedding light on the formation and evolution of our cosmic neighborhood.

Ultimately, the goal of this lab is to provide a deeper understanding of the origins of our solar system, enabling us to comprehend the broader context of our existence and the unique characteristics of our celestial surroundings.

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The ice is needed to make the final temperature of the system 37.1° C is 1.99 kg.

To find the amount of ice needed to make the final temperature of the system 37.1 °C, we can use the formula Q = mcΔT, where Q is the amount of heat, m is the mass, c is the specific heat capacity, and ΔT is the change in temperature.

First, we need to find the amount of heat needed to raise the temperature of the water from −15.5° C to 37.1° C. The specific heat capacity of water is 4.184 J/g °C, so:

Q = mcΔT
Q = (1 kg)(4.184 J/g° C)(37.1° C - (-15.5° C))
Q = 219.954 J

Next, we need to find the amount of ice needed to absorb this amount of heat. The specific heat capacity of ice is 2.108 J/g °C, so:

Q = mcΔT
219.954 J = (m)(2.108 J/g° C)(37.1° C - (-15.5° C))
m = 219.954 J / (2.108 J/g° C)(52.6° C)
m = 1.99 kg

Therefore, 1.99 kg of ice is needed to make the final temperature of the system 37.1° C.

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The total amount of liquid will still be 100 milliliters.

Milliliters (mL) is a unit of volume measurement that is equal to the volume of a cube that is 1 cm on each side. It is commonly used to measure liquids, such as milk, juice, or medicine. Milliliters can also be used to measure dry ingredients, such as flour or sugar. One milliliter is equal to 0.001 liters, or about 0.034 fluid ounces.

For 100 milliliters of juice, you would need 100 milliliters of fruit juice. In other words, the amount of fruit juice required to make 100 milliliters of juice is the same as the amount of juice you are starting with. This is because when you mix fruit juice with water, the total amount of liquid remains the same. So if you start with 100 milliliters of juice and then add 100 milliliters of water, the total amount of liquid will still be 100 milliliters.

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Answer:

conduction

Explanation:

conduction is the movement of heat from one point to another on a metal.

Hope it helps.

Answer:

Explanation:

The communicator

The apparent high lifetime rate of mental disorders highlights the significance of mental health awareness and support.

Mental disorders are prevalent and can impact individuals across their lifespan, highlighting the crucial requirement for comprehensive mental health initiatives. Roughly 25% of the global population experiences a mental disorder at some stage in their life. This significant occurrence rate underscores the significance of comprehending and tackling mental health concerns, necessitating accessible mental health services, destigmatization efforts, and the promotion of holistic well-being.

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Answer:

B

Explanation:

the lines WILL meet at a point after crossing focal point

Answer:

1 mole of every substance has 6.022 × 10^23 particles. This is called Avagadro's constant

Answer:

the answer is B

Explanation:

edg 2020

If the ratio of the mass of star A to the mass of star B is 6 then, mass of star A is 22.3 solar masses and the mass of star B is 3.7 solar masses.

What is star?

The brilliant plasma spheroid that constitutes an astronomical object known as a star is held together by gravity. The star that is closest to Earth is the Sun. Even while other stars are also visible at night with the unaided eye, they appear as stationary points of light due to their immense distances from Earth.

A:B = 6:1

We can write it as

A/B = 6

A=6B

and we also given in the question as:

A+B = 26

putting the above value of A

6B+B = 26

B = 26/7

B = 3.7 solar masses

Subtracting it from total mass:

A = 26-B = 26-3.7

A = 22.3 solar masses

Therefore, mass of star A is 22.3 solar masses and mass of star B is 3.7 solar masses.

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Answer: It would be the dependent variable.

Explanation:

The dependent variable is limited and can be affected by the changes and manipulation of the independent variable.

Explanation:

The symbols of the first diagram is above

For the second question I can't see the whole diagram

Answer: hand to nail

Explanation:

Based on the description provided, Janine's behavior aligns more with being aggressive rather than passive or assertive.

Being assertive entails interacting with people in a straightforward and honest manner without purposefully hurting anyone's feelings. Direct communication can help to minimize conflict, boost self-esteem, and improve personal and professional relationships. Anyone may learn to assert themselves.

Someone who is assertive acts boldly and is not afraid to declare what they want or believe: If you truly want the promotion, you must be more assertive. assured (CONFIDENT) Synonyms

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The resulting displacement will be 3.4 km. The correct option is A.

The displacement is calculated by finding the displacement from east to west, which is 2.0 km, and subtracting the displacement from north to south, which is 1.0 km.

A student walks 1.0 kilometers due east and 1.0 kilometers due south. Then she runs 2.0 kilometers due west. The magnitude of the student's resultant displacement is closest to 3.4 km.

To begin with, we may use the Pythagorean Theorem to determine the resultant displacement's magnitude. The Pythagorean Theorem is a formula that is used to determine the length of a right triangle's sides when one is missing. This theorem is used to calculate the magnitude of the resultant displacement, which is a quantity. It's a good idea to draw a diagram to help you understand the problem.

Here's a rough sketch of the scenario: We will now apply the Pythagorean theorem in this way: The resultant displacement's magnitude is 3.4 kilometers. Thus, the correct option is A.

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Answer:

may be upside down alphabet :"T"

Explanation:

\(\\ \tt\hookrightarrow Density=\dfrac{Mass}{Volume}\)

\(\\ \tt\hookrightarrow Volume=\dfrac{Mass}{Density}\)

\(\\ \tt\hookrightarrow volume=\dfrac{48}{0.789}\)

\(\\ \tt\hookrightarrow Volume=68.83cm^3\)

Density of ethanol\(=0.789g/cm^3\)

Mass of ethanol\(=78-30=48g\)

\(Density = \frac{Mass}{Volume} \)

\(Volume = \frac{Mass}{Density}\)

\(Volume = \frac{48}{0.789}\)

\(Volume = 68.83cm³\)

Answer:

The DART mission proved to be successful. Its ultimate goal was to alter the trajectory of the asteroid Dimorphous. It was successful because the asteroid's trajectory was in fact altered. This mission is the first mission that intentionally altered the trajectory of a non man made object in space.

The sun is part of the solar system, the universe, and the Milky Way galaxy.

In short, the solar system consists of the sun, along with the planets, moons, asteroids, and other celestial objects that orbit around it. The sun is at the center of our solar system, providing light, heat, and energy to all the planets.

Moving on, the universe is much larger than just our solar system. It encompasses everything that exists, including all the galaxies, stars, planets, and other matter and energy.

The sun is just one star among billions in the universe.

Lastly, the Milky Way galaxy is the large, spiral-shaped collection of stars, dust, and gas that contains our solar system. The sun is located in one of the spiral arms of the Milky Way.

The sun is part of the solar system, the universe, and the Milky Way galaxy.

It is a star that plays a vital role in our solar system, while also being a small part of the vast universe and the larger structure of the Milky Way galaxy.

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Answer:

Option C is correct

Explanation:

A supersaturated solution is one that has more solute dissolved than the solution should hold at that temperature.

Examples include carbonated water, sugar syrup, honey.

A solution of a chemical compound can be dissolved in heated water to prepare a supersaturated solution. A solution becomes supersaturated as its temperature is changed.

Answer:

Its A

Explanation: