The resulting mixture of the pair of enantiomers that is treated with a single enantiomer of another compound is the diastereomers which is in pair. The diastereomers usually happens when there is a mixture of stereoisomers but in terms of properties, they all have configurations that are different.
Calculate the density if the mass of a solid material is measured as 15.00 grams and its volume is measured as 5.0 cm3? round off your answer to the proper number of significant figures
Answer:
3.0 gm/cm³
Explanation:
Given,
Mass of solid material (m) = 15.00 grams
volume of the material (v) = 5.0 cm³
We know that density is
[tex]= \frac{mass}{volume}[/tex]
Thus the density of the material is
[tex]= \frac{m}{v}[/tex]
[tex]= \frac{15.00}{5.0}[/tex]
[tex]= 3.0[/tex]
Thus the density is 3.0 gm/cm³.
Which of the following is the best name for CaF 2 ?
Answer:
calcium fluoride
Explanation:
What can happen when the earths plates slide past each other?
Determine the change in velocity of a car that starts at rest and has a final velocity of 20 m/S north
change in Velocity equals Velocity final - Velocity initial
20-0=20
Please help with this question
A student performs a lab measuring the velocities of toy cars of different masses
Answer:
Car 1 and Car 2
Explanation:
5 2.2 11
5.5 2 11
6 1.35 8.1
6.5 1.9 12.35
7 1.35 9.45
watches a 2000 klilogram car crash into a wall with a force of 30000 newtons. what is the acceleration of the car at impact?
What are some tools that are used for tornadoes
Please i really need to get this done today..
Explain how the energy of a rubber ball is transformed as it rolls down a ramp. Give evidence that the energy of the ball remains the same at all points on the ramp.
The ball at the top of the ramp has potential energy but when it rolls down or when it is rolling down it has kinetic. The ball has kinetic energy when it is moving or rolling down the ramp but there is Potential energy when the ball is at the top or is sitting at the bottom still. when the ball is rolling down the ramp it has heat energy because of how it get speed and it starts to heat up.
Answer:
The energy of the ball is transformed from potential energy to kinetic energy when it is released at the top of the ramp. When the ball rolls down the ramp, kinetic energy increases and potential energy decreases. The law of conservation of energy says that energy can not be created or destroyed, it can be tranformed or transferred. The total energy of the ball stayed the same because potential and kinetic energy are inversely related.
Explanation:
what two properties show that a drink is a fluid
Answer:
Two properties that show that the drink is a fluid/liquid include its retention of volume and its conformation to the shape of its container.
Explanation:
What two controls on a car cause a change in speed? What control causes only a change in velocity
We have that for the Question "What two controls on a car cause a change in speed? What control causes only a change in velocity" it can be said that
a)
Accelerator Brake Pedalb)
Brake Pedal
From the question we are told
What two controls on a car cause a change in speed? What control causes only a change in velocity
Generally
A car is been regulated or driven by many controls
But for the speed of a car will consider
AcceleratorThe accelerator this is a control that regulate the speed of the vehicle by increasing and decreasing its speed in motion and initiating its motion
Brake PedalThis is a control that regulate the speed of the vehicle by decreasing its speed in motion
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From the top of a cliff, a person tosses a pebble straight downward with an initial velocity of -9.0 meters/second. After 0.50 seconds, how far beneath the cliff is the pebble?
a) -2.0
b) -3.9
c) -5.7
d) -10.3
Mass m, moving at speed 2v, approaches mass 4m, moving at speed v. The two collide elastically head-on. Find the subsequent speed of mass, m and 4m.
Two objects are dropped from a bridge an interval of 1.0s apart. Air resistance is negligible. During the time that both objects continue to fall, their separation increases.
Can someone explain why it increases, instead of staying constant?
If the two objects are dropped at 1.0 s time interval, their velocity will increase as they descend which will cause their separation distance to increase because velocity is directly proportional to displacement.
The rate at which each object falls is influenced by their respective weights. If air resistance is negligible, gravity will continue to pull each object until it hits the ground.
The influence of gravity will cause the following:
The speed of each object will increase gradually until it hits the ground, and each object will have maximum velocity before it hits the ground. This shows that velocity of each object increases as it descends.Velocity is directly proportional to displacement, as the velocity of each object increases, the distance between them will also increase.Thus, if the two objects are dropped at 1.0 s time interval, their velocity will increase as they descend which will cause their separation distance to increase because velocity is directly proportional to displacement.
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What is the kinetic energy of a 478 kg object that is moving with a speed of 15 m/s
Answer:
107,550 J
Explanation:
Kinetic energy = 1/2 * mass * velocity^2
In this case, the mass of the object is given as 478 kg and the speed is given as 15 m/s.
Plugging these values into the formula, we get:
Kinetic energy = 1/2 * 478 kg * (15 m/s)^2
Simplifying the equation, we have:
Kinetic energy = 1/2 * 478 kg * 225 m^2/s^2
Multiplying the numbers together, we get:
Kinetic energy = 107,550 kg*m^2/s^2
Simplifying further, we can express the unit of kinetic energy as joules (J):
Kinetic energy = 107,550 J
Two objects of the same mass are on two different planets. Planet A has a force of gravity that is stronger than that of Planet B. How will the weights of the objects compare to each other?
Objects of the same mass on different planets will have different weights depending on the local gravity. An object will weigh more on Planet A with stronger gravity than on Planet B with weaker gravity, even though the mass is constant.
Explanation:Two objects with the same mass on different planets will have different weights if the planets have different strengths of gravitational force. On Planet A, where the force of gravity is stronger, an object will weigh more compared to its weight on Planet B, where the force of gravity is weaker. This is because weight is the force exerted by the gravitational field of a planet on an object, which can be calculated using the equation F = ma, where m is the mass and a represents the acceleration due to gravity (g) on that planet. Therefore, if gravity is stronger on Planet A, the acceleration due to gravity is greater, resulting in a greater weight for the object, even though its mass remains unchanged.
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The weights of two objects with the same mass will differ on different planets due to varying gravitational forces. The object on the planet with the stronger gravitational force will weigh more.
The weights of objects depend on both their mass and the gravitational force acting upon them. Since both objects have the same mass but are on different planets with different gravitational forces, their weights will differ.
Specifically, the object on Planet A, which has a stronger force of gravity, will weigh more than the object on Planet B, which has a weaker gravitational force.
Weight is calculated by the equation:
Weight = Mass × Gravitational Force
If the gravitational force on Planet A is stronger, then for the same mass, the weight will be greater. For example, if an object has a mass of 10 kg and Planet A has a gravitational force of 15 N/kg, the weight will be:
Weight = 10 kg × 15 N/kg = 150 N
If the same object is on Planet B with a gravitational force of 10 N/kg, then the weight will be:
Weight = 10 kg × 10 N/kg = 100 N
Thus, even though the mass of the objects is the same, their weights are different due to the different gravitational forces on each planet.
What happens to light as the ocean increases in depth
Light is the major component required by marine organisms. The penetration of the light varies with the depth of the ocean.
The penetration of the light rays decreases with an increase in depth. The light is unable to breach below 1000 to 1200 meters.
The light effect on the ocean can be explained as:
1. The seawater absorbs the red, orange, and yellow wavelengths, which causes the blue light to penetrate farther into the ocean. It gives the ocean its distinctive blue color.
2. The water absorbs the light rays as it penetrates deep into the ocean. The light rays get completely absorbed before it reaches the ground of the ocean.
3. The light cannot penetrate deep within the ocean, thus, the deep lengths of the ocean are still unknown to humans.
Thus, the light penetration decreases with an increase in the depth of the ocean.
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Study the following ocean currents map.
Which statement is most likely correct about the average temperatures in San Diego, California as compared to Savannah, Georgia?
It is higher in Savannah because of the cool ocean currents from the south.
It is higher in Savannah because of the warm ocean currents from the north.
It is lower in San Diego because of the warm ocean currents from the south.
It is lower in San Diego because of the cool ocean currents from the north.
The statement is most likely correct about the average temperatures in San Diego, California as compared to Savannah, Georgia is;
Option D: It is lower in San Diego because of the cool ocean currents from the north.
From the map, we see two locations namely;
San diego and Savannah.
Now, upon careful observations of the current direction at San Diego , we see that the current is moving from the north towards the equator and as such we till term it as cool ocean currents.
However, in Savannah, the direction of the currents is away from the equator and as such we will call it warm currents.
In conclusion, since cool currents are coming to San Diego, it will have a lower temperature than at Savannah.
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When a 440-Hz tuning fork and a piano key are struck together, five beats are heard. If the pitch of the note on the piano is lower than the tuning fork, what is the frequency of the note?
A 0.5 kg ball is tied to a swung in a circle with a radius of 0.400m.If the ball is accelerating at 58.8 m/s^2,what is the tangential velocity of the ball?
5 different types of evidence that show a chemical reaction has taken place
The evidence that shows that a chemical reaction has taken place is an alteration in odor a shift in color, a temperature shift, The emission of light or heat, and the formation of gasses or precipitates.
What is a Chemical Reaction?One or more compounds, known as reactants, convert into one or more new ones, known as products, during a chemical reaction. Substances are made up of chemical building blocks or compounds.
Chemical interactions play some sort of role in technology, culture, and even life itself. For thousands of years, people have understood and used chemical reactions in a number of processes, such as burning fuels, smelting iron, making glass and pottery, brewing beer, producing wine, and making cheese.
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The speed of a wagon increases from 2.5 meters per second to 9.0 meters per second in 3.0 seconds as it accelerates uniformly down a hill. What is the magnitude of the acceleration of the wagon during this 3.0 second time interval?
The speed of the wagon increases from 2.5 m/s to 9.0 m/s over a 3 second interval, leading to an acceleration of 2.17 m/s².
Explanation:This physics question involves the concept of acceleration. The acceleration of the wagon is determined by its change in speed per unit of time. In this case, the speed (or velocity) of the wagon increase from 2.5 meters per second to 9.0 meters per second over a 3.0 second time interval. The difference in speed is 9.0 m/s - 2.5 m/s = 6.5 m/s. Since this speed change happens over 3.0 seconds, the rate of change, or acceleration, is 6.5 m/s divided by 3.0 s which equals 2.17 m/s². Therefore, the magnitude of the acceleration of the wagon during this 3.0 second time interval is 2.17 m/s².
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All charged objects create an electric field around them. What two factors determine the strength of two electric fields upon the charged objects creating them?
A.) how charge the object creating the field is and the mass of the two charged objects
B.) how charged object creating the field is and the distance between the two charged objects
C.) how charged object creating the field is and whether the objects are positively or negatively charged
D.) how charged object creating the field is in the density of the two charged objects
Describe a situation in which the displacement f a roller skater is 0 km, but the distance traveled is 2 km.
Why might the 1990 earthquake and volcanic eruption in Luzon be related?
A) Both earthquakes and volcanic eruptions are caused by plate tectonics and can
occur in patterns.
B)Earthquakes occur in San Francisco but not in Chicago.
C) Tectonic plates can form deep ocean trenches, such as the Mariana Trench in the Pacific Ocean.
D) On April 2, Mount Pinatubo sent an explosion of steam, water, ash, and rock into the air.
Answer:
Answer: C
Explanation:
the approximate length of an unsharpened No.2 pencil is
Option (b) is correct. The approximate length of the unsharpened pencil is almost [tex]\boxed{20\text{ cm}}[/tex] or [tex]\boxed{2\times10^{-1}\text{ m}}[/tex].
Explanation:
The measurement of the quantity is the most fundamental requirement for the estimation of any quantity. The measurement of length of a body is done using the standard unit of measurement which is meter.
The approximate length of an unsharpened pencil is considered to be almost [tex]20\text{ cm}[/tex].
In order to express the length of the pencil in the standard unit of measurement of length, we should know about the conversion factor.
One meter is considered to be equal to the [tex]100\text{ cm}[/tex] of the length. The conversion factor can be expressed mathematically as:
[tex]n=\dfrac{1\text{ m}}{100\text{ cm}}[/tex]
The length of the pencil can be expressed in terms of standard unit as:
[tex]\begin{aligned}l&=20\text{ cm}\left(\dfrac{1\text{ m}}{100\text{ cm}}\right)\\&=2\times10^{-1}\text{ m}\end{aligned}[/tex]
Thus, option (b) is correct. The approximate length of the unsharpened pencil is almost [tex]\boxed{20\text{ cm}}[/tex] or [tex]\boxed{2\times10^{-1}\text{ m}}[/tex].
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Answer Details:
Grade: Middle School
Subject: Physics
Chapter: Units and Measurements
Keywords:
length, approximate, unsharpended, pencil, standard unit, estimation, 20 cm, 0.2 m, quantity, measurement.
After the last ice age, stranded ice blocks left behind by the continental glacier melted and formed
a.
kettles.
b.
cirques.
c.
drumlins.
d.
moraines.
Answer:
A kettles
Explanation:
Explain why streets and highways have speed limits rather than velocity limits
Speed limits are used on streets and highways instead of velocity limits because speed is a scalar quantity, meaning it only has magnitude and not direction. By imposing speed limits, authorities can regulate the maximum speed at which vehicles can safely travel, regardless of their direction.
Explanation:Speed limits are used on streets and highways instead of velocity limits because speed is a scalar quantity, meaning it only has magnitude and not direction. Velocity, on the other hand, is a vector quantity that describes both magnitude and direction. By imposing speed limits, authorities can regulate the maximum speed at which vehicles can safely travel, regardless of their direction.
For example, if a street has a speed limit of 40 mph, it means that vehicles must not exceed this magnitude of speed, whether they are traveling east, west, north, or south. This ensures consistent enforcement and promotes safe driving practices for all vehicles.
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two people are pushing a box north across the floor. on person pushes with a force of 20n, the other person pushes with an unknown force. if the net force acting on the box is 35n north, what is the unknown force?
Rank the following in order of increased size? A. Proton B. Nucleus C. Electron D. Atom
Final answer:
The correct order of increasing size from smallest to largest is: electron, proton, nucleus, atom. Electrons are the smallest particles in this list and form the cloud around the nucleus, which is made of larger protons and neutrons. Atoms include both the nucleus and the electron cloud, making them the largest structures listed.
Explanation:
In order to rank the following from smallest to largest in size, we need to understand the structure of an atom. An atom consists of a central nucleus, which contains protons and neutrons, surrounded by a cloud of electrons.
ElectronProtonNucleusAtomAn electron is the smallest particle among the ones listed. It is part of the cloud around the nucleus and has a negative charge. A proton is a positively charged particle that is one of the components of the nucleus and is larger than an electron. The nucleus, which consists of both protons and neutrons, is significantly larger than a single proton. The atom, consisting of the nucleus and electron cloud, is the largest of all listed components.
It is important to note that while protons and neutrons have roughly the same size, the nucleus varies in size depending on the number of protons and neutrons it contains. Electrons, on the other hand, being much smaller, do not contribute significantly to the overall size of the atom.