Where on Earth's surface might you be if you are experiencing the trade winds? Explain how air pressure, temperature, and the Coriolis effect in movement and direction of thesewinds.
""The polar easterlies"-is dry and cold prevailing winds that blow from the high pressure areas of the polar highs at the north and south poles towards low pressure areas within the Westerlies at high latitudes.
Cold air diminish at the pole making the high force, Pushing an equator-ward discharge, of air; that outflow is then Sidetrack westward by the Coriolis effect."
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What is hydrochloride acid plus water plus salt and water
Which of the following wave types must have a medium to travel?
A. Ultraviolet light
B. Microwaves
C. Seismic (earthquake) waves
D. Radio waves
E. X rays
Answer:
it is B
Explanation:
Answer: B microwaves
How did John Newlands order the elements?
Hello friend! Hopefully this helps you as much as needed!
An English scientist called John Newlands put forward his Law of Octaves in 1864. He arranged all the elements known at the time into a table in order of relative atomic mass. He then put the similar elements into vertical columns, known as groups.
Find an element that has the same
number of valence electrons as
Thallium (T1).
i need the answer nowww
Answer:sodium
Explanation: because its not hard to look on the PERIODIC TABLE
why can dogs not eat chocolate
A student compared some chemical and physical properties of three pure substances. Her
data are recorded in the chart above. What is a logical conclusion the student can draw
about hare substances?
Pure substances have the same chemical and physical properties.
Pure substances have the same chemical properties, but different physical properties.
O Pure substances have the different chemical properties, but the same physical properties.
O Pure substances have different chemical and physical properties.
Answer:
letter b not c
Explanation:
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how can prey benefit from the predator having a disease?
The disease can slow the predator down and the prey can get away easily.
A mixture is made of two or more materials that
A. can be separated by physical means.
В.
cannot be separated by physical means.
C.
cannot be separated by any means.
D
can only be separated by chemical means.
Answer:
A. can be separated by physical means.
Explanation:
A mixture is when two different materials are put in the same container and no reaction occurs.
What is the purpose of the title of a line graph
Answer:
It tells about the data for each line graph is plotted.
Explanation:
Answer:
It can describe what the line graph is measuring and how it is measuring it
A does not change the substance into anything new
Answer:
Physical changes only change the appearance of a substance, not
chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.
Explanation:
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12) The chemical formula for phosphorus trichloride is PCl3. In one to two sentences, explain how you would build a ball-and-stick model of phosphorus trichloride. Include a description of the parts of the model.(2 points)
13) Copper (Cu) reacts with sulfur (S) to form copper sulfide as shown in the chemical equation. A scientist adds 4 grams of Cu to 2 grams of S to start the reaction. At the end of the experiment, she has 6 grams of product. In one to two sentences, explain what would happen if the scientist increased the amount of copper to 6 grams, and why. (1 point)
Answer:
12) In the ball and stick model, an orange ball representing the phosphorus atom and three green balls representing chlorine atoms are connected by means of sticks that are coloured halfway green and orange respectively to represent the shared electrons between phosphorus and chlorine with the chlorine atoms forming the base of a triangular pyramid while the phosphorus atom forms the top of the pyramid.
13) The scientist will have 6 grams of product as before but will have two grams of unreacted copper atoms because the mass ratio of copper to sulfur in this reaction is 2:1
Explanation:
12) Phosphorus trichloride has a trigonal pyramidal structure and is composed of three atoms of chlorine and one atom of phosphorus.
In the ball and stick model, an orange ball representing the phosphorus atom and three green balls representing chlorine atoms are connected by means of sticks that are coloured halfway green and orange respectively to represent the shared electrons between phosphorus and chlorine with the chlorine atoms forming the base of a triangular pyramid while the phosphorus atom forms the top of the pyramid.
13) The reaction between copper and sulfur to form copper sulfide is shown in the equation below:
Cu + S ---> CuS
1 mole of copper reacts with 1 mole of sulfur to produce 1 mole of copper sulfide
molar mass of copper = 64 g/mol; molar mass of sulfur = 32 g/mol, molar mass of copper sulfide = 96 g/mol
mass ratio of copper to sulfur = 63 g/ 34 g = 2
This means that 2 grams of copper will react with 1 g of sulfur to produce 3 grams of product. similarly, 4 g of copper will react with 2 g of sulfur to produce 6 grams of product.
Therefore 6 g of of copper will react with 3 g of sulfur. However, since the amount of sulfur available for reaction is 2 g only, 2 g of copper will be left unreacted after 4 g has reacted completely with 2 g of sulfur to produce 6 g of copper sulfide.
i dont get what it means by of touch
Answer:
So I don't know what do you mean by that, please be a little specific.
Explanation:
^^
true or false there is a risk of explosion in factories handling powders such as custard powder
Answer:
True? I think so At least
Explanation:
Cone shaped mountains form as a result of which one of these events?
Answer:
Volcanic Eruptions
Explanation:
It says in the question
Two examples of silicate minerals are
Answer:
who know
Explanation:
Scott and James work at a grocery store. After the grocery
store closed, they were playing a game with a shopping cart
and Scott's skateboard. They crashed the skateboard and
the shopping cart two times. The shopping cart had more non
Answer: b) Crash 2; the force on the cart was stronger in this crash, so the force on the skateboard was also stronger.
Explanation:
why people on earth cannot see the entire shape of the milky way
Answer:
Explanation:
That is because the Milkyway is full of dust and gas, you cannot really see something if it has dust and gas
Answer:
Its too far away to see
Explanation:
You would probably have to be in space
Which description applies to a physical property? Choose the correct answer
O depends directly on the amount of the substance present
O examines changes in the composition and structure of matter
O measured or observed without changing the identity and composition of matter
O determined by changing the identity of a substance and observing how it reacts
Answer:
the third one, measured or observed without changing the identity and composition of matter. because physical property does not under go any change but can be put back.
What is the most common isotope of lithium?
What is a system?
A. An isolated piece of the world
OB. A liquid in which reactions take place
O C. A piece of scientific equipment
O D. A technique for recording data
Answer:
D. a technique of recording data
A large marble is dropped in a graduated cylinder with 45 mL of water in it. The water level increased to 61 mL. What is the volume of the marble?
Answer:
Volume of the marble is 16 ml.
Initial volume present in graduated cylinder=45 ml.
Final volume in graduated cylinder after marble is dropped=61 ml.
Volume of water displaced=volume displaced by marble.
Volume displaced by marble=final volume in cylinder-initial volume in cylinder
Volume displaced=61ml-45ml=16ml
So volume of marble=16ml.
Answer:
16mL
Explanation:
Help ASAP plzzzz!!!!!!!!
Answer:
Granite Solid
Milk Liquid
Neon is gas
Wood Is solid
Paper is solid
Helium is Gas
Water is liquid
Air is Gas
Alcohol is liquid
Metal is solid
Nitrogen is gas
Juice is liquid
Oil is liquid
Water Vapor is Gas
Brick is Solid
Propane is Gas
Fabric is solid
Gasoline is Liquid
Explanation:
Hope Dis helped :D :3
Convert 122 moles of Methane to liters?
Gamma
ray
Which has the longest wavelength?
Ultra-
violet Infrared
Radio
Which has the highest frequency?
X-rays Visible
Microwave
WWW
Answer:
Radio waves
X-rays Visible
Explanation:
The wavelength of a wave is the difference between successive crests on a wave line. Waves with a very high wavelength have low energy.
Frequency is the number of waves that pass a point per unit of time. The higher the frequency, the higher a wave's energy.
From the given spectrum, wavelength increases from left to right. This puts radio waves as the wave with the longest wavelength. It is also right to say, it has the least energy. Also, frequency decrease from left to right. Gamma rays have the highest frequency in the spectrum. This is followed by x-rays.Answer:
Radio waves
X-rays Visible
Explanation:
How did Thomson's experiment change Dalton's atomic model?
A. Thomson discovered that atoms changed properties when put in
an electric field.
B. Thomson discovered that atoms did not rearrange when forming
compounds.
C. Thomson discovered that atoms of one kind of element could
have different masses.
D. Thomson discovered that the atom contained smaller particles
called electrons.
Answer:
D. thomson discovered that the atom contains smaller particles called electrons
Thomson discovered that the atom contained smaller particles called electrons. The correct option is D.
What is Dalton's atomic model?Dalton proposed that all matter is composed of tiny indivisible particles known as atoms, which he envisioned as "solid, massy, hard, impenetrable, movable particle(s)."
Thomson's experiment altered Dalton's atomic model by revealing the existence of smaller particles known as electrons within the atom.
The first part of his theory states that all matter is made up of indivisible atoms. According to the second part of the theory, all atoms of a given element have the same mass and properties.
One of Dalton's most important contributions is that it does not violate several fundamental laws of chemical combination, including the law of definite proportions, the law of multiple proportions, and the law of conservation of mass.
Thus, the correct option is D.
For more details regarding Dalton's atomic model, visit:
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Brainliest please helppppppppp
Ayour anwerser
Explanation
Answer:
chlorine manoxside
co2
Explanation:
when heat is added to a substance describe how the molecules are affected?
Answer:
the molecules and atoms start to vibrate faster so basically the object starts to expand because the space between atoms increases :)
The
force acting on an object is the combination of
all of the individual forces acting on it.
Check it
2 SCRATCHPAD
~ Improve this questio
Answer:
Yes as you can improve The invisible to human eye force or physical force if any being applied to a object of any mass and with all individual forces as they are acting on this object
Explanation:
1. Matter that is composed of two or more different
elements chemically combined in a fixed proportion
is classified as
A) a compound
C) a mixture
B) an isotope
D) a solution
where is lithium used in the body?
Answer:
u
Explanation: