which option is an example of a physical property?

A. boiling point

B. pH

C. toxicity

D. rusting ability

Given the scenario and assuming ideal gas behavior, to ensure both gases run out at the same time, you should fill the acetylene tank to a pressure of approximately 224 atm.

For gases behaving ideally, the pressure, volume, and temperature are related by the Ideal Gas Law (PV = nRT). However, in this problem, we assume temperature and gas constant are the same for both gases. Hence, the amount of gas (in moles) is directly proportional to the product of pressure and volume (PV).

Now you want to calculate the pressure in the acetylene tank that ensures both gases run out at the same time. Since both gas tanks will be opened for the same timeframe, the amounts of each gas in moles used will be the same. Hence, the products of pressure and volume will also be equal for both tanks (PV of oxygen tank = PV of acetylene tank).

In other words, (Pressure of oxygen) x (Volume of oxygen) = (Pressure of acetylene) x (Volume of acetylene). By inserting given values for oxygen (Pressure = 155 atm, Volume = 6.50 L) and the volume of acetylene (4.50 L), you can solve for the pressure in the acetylene tank.

From this equation, Pressure of acetylene = (Pressure of oxygen) x (Volume of oxygen) / (Volume of acetylene) = 155 atm x 6.50 L / 4.50 L = 223.88 atm.

Therefore, to ensure you run out of both gases at the same time, you should fill the acetylene tank to a pressure of approximately 224 atm.

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Answer: A

 A positively charged ion will bond with negatively charged ion. This interaction is called ionic bonds, where ions can form a compound. However, not all compounds are ionic, but each elements on the periodic table is capable of forming an ion. Atoms form ions when they either take up or release electrons in order to fill their outer shell. Positive ions are called cations that are typically metals like copper or sodium. Meanwhile, negatively charged ions are anions, made from nonmetallic elements like oxygen and sulfur.

The answer is A

Hope that helps. =)

Answer:

6.9x10^7

Explanation:

Answer: d is the answer please give me vote and thanks

Explanation:

Answer: 0 m/s

The rocket is launched straight upward with a velocity of 90 m/s, At the highest point, the instantaneous velocity would be 0 m/s. The rocket slows down while moving up. The velocity would be 0 m/s at the highest point for an instant and then reverses direction to return on Earth. If it is not controlled, then it would free fall under gravity.

The answer is A.

Columbia is country situated in the northwest of South America. Colombia shares a border to the northwest with Panama, to the east with Venezuela and Brazil and to the south with Ecuador and Peru. Colombian territory also encompasses Pacific coastlines in the west.

the corect answer is a

Final answer:

A football player has much more inertia than a full water bottle because inertia is directly related to an object's mass, and the player's mass is significantly greater than that of the water bottle. This greater mass results in the player's motion being minimally affected when catching the football, illustrating the player's higher level of inertia.

Explanation:

The question of which has more inertia, a full water bottle sitting on a desk or a football player running with the ball, centers around the concept of mass as the quantifiable measure of an object's inertia. Inertia, by definition, is the resistance of any physical object to any change in its state of motion, including changes to its speed and direction. An object with more mass has more inertia since it requires more force to change its motion.

Through this lens, the football player has much greater mass compared to a water bottle, hence significantly more inertia. Despite the football having a higher velocity when thrown, the player's mass makes his momentum and inertia far greater. This concept is illustrated when considering the effect on motion during the act of catching: the player's motion is only slightly affected because his greater mass (and thus inertia) absorbs the change with minimal alteration in speed or direction.

This observation aligns with the fundamental principles of momentum which state that momentum (mass times velocity) of an object is directly related to both its mass and velocity. However, in the context of inertia, it is the mass component that is most influential in determining the effect of external forces on an object's motion.

Answer:b

Explanation:

hope it helps

Answer:

0.021 rad/s

Explanation:

t = 5 minutes = 5 x 60 = 300 seconds

Time taken to complete one complete round is called time period.

Let the angular velocity is ω.

The relation between angular velocity and the time period is given by

ω = 2 π / T

ω = ( 2 x 3.14 ) / 300 = 0.021 rad/s

Answer:

Speed, v = 60 m/s

Explanation:

Given that,

Mass of the box, m = 18 kg

Time, t = 6.1 seconds

Initially the box is at rest, u = 0

Let v is the final speed of the box i.e. after 6.1 seconds. We can calculate it using first equation of motion as :

[tex]v=u+at[/tex]

Here, a = g

[tex]v=gt[/tex]

[tex]v=9.8\times 6.1[/tex]

v = 59.78 m/s

or

v = 60 m/s

So, after 6.1 seconds, the box is moving with a speed of 60 m/s. Hence, this is the required solution.

As per this question the mass of canoe is given as 21 kg.

The canoe is floating downriver with a speed of 4 m/s.

We are asked to  calculate the kinetic energy of the canoe.

The kinetic energy is the energy due to the motion of the body.

If a body has mass m and it moves with a velocity v ,then its kinetic energy is defined as

                             [tex]kinetic\ energy [K.E]=\frac{1}{2} mv^{2}[/tex]

we are given v= 4 m/s and m= 21 kg

Hence kinetic energy of canoe [tex]K.E= \frac{1}{2} *21 kg [4 m/s]^{2}[/tex]

                                                                 =168 Joule.

Hence the kinetic energy of the  particle is 168 Joule.

Here Joule is the unit of energy

Answer:

C. If the temperature of water is increased, then it will change into steam is stating a hypothesis.

Explanation:

Answer:

Science is supported by facts and processes.

Science involves observation and experimentation.

Science continually changes and is constantly updated.

Options A, C, and D are statements best describe science. Another approach to defining science is that it is the information gained through experience.

Science is knowledge about the physical world and the things that occur within it. It is an objective observation that explains nature's fundamental rules.

The statements best describe science will be;

A)Science is supported by facts and processes.

C) Science involves observation and experimentation.

D) Science continually changes and is constantly updated.

Hence options A, C, and D are statements best describe science.

To learn more about the science refer to the link;

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The real answer is:

water at 15°C

Answer:

The answer is Water at 15°C

Explanation:

The James Webb Space Telescope is primarily designed to observe infrared radiation, allowing astronomers to view distant galaxies and the earliest stars after the Big Bang. It's equipped with a 6.5-meter diameter mirror and is currently in a stable orbit point around 1.5 million kilometers from Earth.

The James Webb Space Telescope (JWST) is designed primarily to observe infrared radiation from the cosmos. This incredible space telescope was launched in December 2021 and is equipped with a mirror measuring 6.5 meters (21 feet) in diameter, composed of 36 small hexagons, similar to the Keck telescopes. It's named after James Webb, an early NASA administrator.

This telescope will allow scientists to peer farther out in space and back in time than ever before since it's designed to detect far-infrared and millimeter-wave radiation from distant galaxies, whose light has been shifted to long wavelengths because of the vast distances it hastraveledd to reach us. One of the major goals of the JWST is  to observe the light of the first galaxies and stars that came into existence after the Big Bang, approximately half a billion years later.

Observing these wavelengths is crucial as it allows us to gather data that are hidden from visibility due to dust clouds surrounding these galaxies. The JWST is expected to expand our understanding of the universe by providing an unrivaled view of the cosmos.

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