The term which best describes the repeated arrangement of the same molecule is: D. extended structure.
An atom can be defined as the smallest unit which comprises the matter that forms all chemical elements. Thus, atoms are typically the fundamental building blocks of matter and as such determines (defines) the structure of a chemical element.
Generally, atoms are typically made up of three (3) distinct particles and these are;
Protons.Neutrons.Electrons.In Chemistry, a molecule can be defined as a group of two or more atoms that are chemically bonded together by means of shared electrons and represents the smallest fundamental unit of a substance or chemical compound.
Basically, when the same molecule are arranged repeatedly it is typically referred to as an extended structure.
In conclusion, the term which best describes the repeated arrangement of the same molecule of a chemical compound or substance is an extended structure.
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An object 4cm high is placed 15 cm from a convex lens of focal length 18cm. Draw a ray diagram and find the position, size, and nature of the image
Answer:
what I don't no really????
why is there potential for wind energy in the upper himalayanx
Answer:
Favorable sites include the tops of smooth, rounded hills; open plains and water; and mountain gaps that funnel and intensify wind. Wind resources are generally more favorable for electricity generation at higher elevations above the earth's surface
A car travels a distance of 65 km. For the first 30 minutes, it is driven at a constant speed of 70 km/hr. The motor begins to vibrate and the driver reduces the speed to 20 km/hr for the rest of the trip. The average speed for the entire trip is?
Answer : 53.3 km/hr.
explanation
Give a reasonable order-of-magnitude estimate of the number of golf balls that would fill a home
swimming pool
An order of magnitude is a number of the form 10^n such that can be used to compare magnitudes or quantities.
We will find that the order of magnitude of golf balls that fill a home swimming pool is 10^6
In this case, we want to estimate the number of golf balls that would fill a home swimming pool.
We know that the diameter of a golf ball is D = 42.6mm = 0.0426m
And the volume of a sphere of diameter D is:
V = (4/3)*pi*(D/2)^3
where pi = 3.14
Then the volume of a single golf ball is:
V = (4/3)*3.14*( 0.0426m/2)^3 = 0.00004 m^3
Now we need to find the average volume of a home swimming pool, we can use 48 m^3 (an average one) to do the general math.
To find the number of golf balls that enter in that volume, we need to do the quotient between the volume of the pool and the volume of a single ball:
N = (48 m^3)/(0.00004 m^3) = 1,200,000
If we round this to the next order of magnitude: 10^6 (the exponent is the number of digits at the right of the one)
Then the order of magnitude of golf balls that enter in a home swimming pool is 10^6
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If a diver displace water with a weight of 500N what is the upthrust on the diver?
Answer:
500N
Explanation:
Basically the weight of water displaced is the amount of upthrust. The upthrust is equal to the weight of the water moved by the submerged part of the body and therefore is equal to 500N.
Hope this helps!
Can I get some 8th edge help?
Density of Solids Lab Report
3. What methods are you using to test this (or each) hypothesis?
Answer:
The best method to test this with is the buoyancy technique. The buoyancy technique puts force on an object that is equal to the weight of the fluid replaced by the object.
Hope this helps :D
what is moment and it's type
Explanation:
The turning effect of a force is called moment .
There are two types of moment. They are:-
clockwise momentanti-clockwise moment10dm/s=...m/phút=......km/h
50km/h =....m/s=...cm/phút
20m/s=....km/phút=....dm/h
200km/h =...nút=...cm/s
density of certain liquid is2.4 g/cc. calculate the mass of 100cc of such liquid
Answer:
Explanation:
Density = mass / volume
density = 2.4
volume = 100 cm^3
2.4 = m / 100 Multiply both sides by 100
2.4 * 100 = m
m = 240 grams
When pressurizing your scuba system (i.e., turning the air on), you should:
A. Look directly at the submersible pressure gauge (SPG) to make sure the cylinder is full.
B. Hold the SPG facing down or away from you.
C. Keep at least one second stage purge button depressed.
D. None of the above
7. Who has the greater average velocity: an astronaut who has jut completed an orbit of the Earth or you when you have just traveled from home to school? Explain.
Answer:
the anser is
Explanation:
Acceleration is defined as the rate of change of velocity.
Acceleration = (Change in velocity) / time taken
Acceleration = (Final velocity - initial velocity) / time
As the object velocity changes by the same amount in each second, it means the acceleration is constant.
91.0x26x504 ...............
Answer:
1192464
Explanation:
91.0 times 26 = 2366
2366 times 504 = 1192464
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e) A escalator carries 60 people of average mass 70kg to a height of 5m in one minute. Find the power needed to do this? 4
Answer:
3500J/s
Explanation:
P=W/T
42000×10×5÷60
=3500J/s
'You perform an experiment to determine how the type of lightbulbs used in your
house (incandescent, LED, fluorescent) affects your electric bill.
What is the dependent variable?
A.) The type of lightbulb used
B.) Your electric bill
C.) The size of your house
D.) The number of bulbs in your house
BRAINLIEST : A car starts from rest and accelerates at a rate of 40 m/s2 over a time if 2.4 s. How fast is the car going at the end of this time interval?
Please explain
Answer:
[tex]\boxed {\boxed {\sf 96 \ m/s}}[/tex]
Explanation:
We are asked to find the final velocity of the car given the acceleration and time. We can use the following kinematics equation to calculate the final velocity.
[tex]v_f=v_i+(a \times t)[/tex]
The car starts from rest, so the initial velocity is 0 meters per second. It accelerates a rate of 40 meters per square second over a period of time of 2.4 seconds.
[tex]v_i[/tex]= 0 m/s a= 40 m/s²t= 2.4 sSubstitute the values into the formula.
[tex]v_f= 0 \ m/s + ( 40 \ m/s^2 \times2.4 \ s)[/tex]
Solve inside the parentheses.
40 m/s/s * 2.4 s = 40 m/s * 2.4=96 m/s[tex]v_f= 0 \ m/s + (96 \ m/s)[/tex]
Add.
[tex]v_f= 96 \ m/s[/tex]
The final velocity of the car is 96 meters per second.
A car advertisement states that a certain car can accelerate from rest to 70 km/s in 7 seconds. Find the car’s average acceleration.
Please find attached photograph for your answer. Please do comment whether it is helpful or not.
Find the x and y components of each of the following vectors.
hyp = 15 m/s
theta = 150°
x = ?
y = ?
Answer:
x =
[tex] - 15 \times \frac{ \sqrt{3} }{2} \frac{m}{s} [/tex]
y = 7.5m/s
An electric field around two charged objects is shown.
What are the charges of objects X and Y?
A) X: negative
Y: positive
B) X: positive
Y: positive
C) X: negative
Y: negative
D) X: positive
Y: negative
Question is incomplete.!
Answer: D
Explanation: i just took the test edge 2023
name the different varieties of electrolytes used in alkaline button cells
Answer:
Potassium hydroxide
Explanation:
it is the standard electrolyte solution for alkaline cells
What is something that you would like to see a physicist develop in the future?
Answer:
teleportation (artificial or natural over wormholes )
A piano tuner creates an 880.0 Hz tone.
When he plucks a piano string, the two
waves create a beat frequency of
5.0 Hz. The string could have two
possible frequencies. What is the
highest value it could have?
(Speed of sound = 343 m/s)
(Unit = Hz)
885 hz for the highest
875 hz for the lowest
acellus correct
Which option is a negatively charged ion?(1 point)
chlorate
chloride
chlorite
chlorine
Answer:
Explanation:
They all are except chlorine which has no charge.
chlorate is ClO3 -1
Chloride Cl-1
Chlorite is ClO2 - 1
All of them are minus one. If you mean which has a chloride ion with a charge of -1 that would be the chloride ion.
Answer:
Chloride
Explanation:
All Answers
Chloride
Valence electrons increase by one
How many energy levels it has
1-
Potassium and iodine
Bob the American has just driven his car across the Canadian border when he sees a
speed limit sign of 85 kilometers/hour. His speedometer only shows his speed in
miles/hour. Convert the kilometers to miles so that Bob doesn't get a speeding ticket.
(Conversions: 1 mile = 5280 ft; 1 foot = 12 in.; 1 inch = 2.54 cm
Answer:
it equals 53 miles per hour
discuss one way in which global warming aggravates the effect of radiation
One way by which global warming aggravates the effect of radiation is through greenhouse effect
The combined effects of global warming and radiation is explained as follows.
Global warming is the gradual increase in the temperature of the Earth's surface (land), ocean and the atmosphere through the heat from the radiation of the sun.
One way by which global warming aggravates the effect of radiation is through greenhouse effect.
This occurs when the radiation from the sun is allowed to pass into the Earth's atmosphere but subsequent heat radiating from the Earth is prevented from escaping into the space.This greenhouse effect aggravates the effect of radiation.
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true or false
energy can neither be created nor be destroyed
Energy can be changed from one form to another, but it cannot be created or destroyed. The total amount of energy and matter in the Universe remains constant, merely changing from one form to another. ... In essence, energy can be converted from one form into another.
So , the answer is true
Name an acid which is highly corrosive and should never be tested by mouth.
Answer:
We all know that HCI is highly corrosive mineral acid. It's produced naturally in our (Human being) Stomach
It (HCI) is produced by the gastric glands in stomach. HCI activates the enzyme Pepsin and creates an acidic medium which kills the bacteria which might have entered while digestion & also making it simpler for further digestion.
HCI does not harm our stomach because the gastric gland also produces Mucus which helps in preventing the damage of inner wall (layer) of stomach from the action of this Acid.
2) Um gás ideal sofre uma determinada transformação, conforme mostra o gráfico abaixo. Considere
que no processo ABC o gás recebeu 80000 J de calor. Dados: 1 atm = 100000 Pa.
a) Determine o trabalho realizado pelo gás.
b) Determine a variação da energia interna do gás.
Answer:
yes
Explanation:
imagine that you are in the outer space where gravitational pull and friction force are non-existent. if you throw a solid ball, what do you think will happen to the ball?
Answer:
It will go on forever and won’t stop moving
Explanation:
I think it will travel forever and will be slow in the process it won’t stop is what I think
The ball is hurled upward into space, it climbs steadily until it collides with an obstruction in its path.
What is gravitational force?All mass-bearing objects are attracted by gravitational force. Because it consistently attempts to bring masses together rather than push them apart, the gravitational force is referred to as attractive.
As we know, the gravitational force is given by:
[tex]\rm F = \dfrac{Gm_1m_2}{r^2}[/tex]
Where G is the gravitational constant.
m1 and m2 are masses.
r is the distance between the masses.
As we know,
There is no gravity in space, the ball is not subject to the effects of gravity. When a ball is hurled upward into space.
It climbs steadily until it collides with an obstruction in its path.
Thus, the ball is hurled upward into space, it climbs steadily until it collides with an obstruction in its path.
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Liquid pressure is directly proportional to the 1. Volume 2. Mass 3. Density 4. Temperature
Answer:
density☺️☺️☺️
A tractor pulls a trainer at a constant speed the tractor exerts a forward force of 1600N on the trailer. What is the force exerted by the trailer on the tractor?
Answer: 1600N backwards.
Explanation: This falls into the third law.