Answer:
A high pressure area is an area where the air sinks. As it does, it warms up by the adiabatic effect of a greater pressure and that causes the clouds to evaporate, giving place to a clear sky
Explanation:
A high-stress area, high, or anticyclone, is a location in which the atmospheric stress on the surface of the planet is more than its surrounding environment.
What are the traits of the high-pressure system?In a high-Pressure system, it has better pressure in its center than in the regions around it. Winds blow away from excessive pressure.
Swirling withinside the contrary route from a low-stress system, the winds of an excessive pressure system rotates clockwise north of the equator and counterclockwise south of the equator.
Hence, these are the characteristics of high-pressure system.
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The main purpose of the endocrine system is to produce:
A.
white blood cells.
B.
hemoglobin.
C.
neurons.
D.
hormones.
Answer:
hormones or D
Explanation:
:-)
Answer:
D. Hormones
Explanation:
Endocrine glands release hormones into the bloodstream. This lets the hormones travel to cells in other parts of the body.
If Thomson’s atomic theory was accurate, what would the results of Rutherford’s gold foil experiment have been?
Answer:
If Thomson's atomic theory was accurate, the positively charged particles would have gone through the foil.
pls help me to answer this:(
Answer:
How do one confess feelings to her if he is introvert?
Calculate the mass of sample of calcium carbonate containing 5.5 x 10^23 atoms
A. 18.29 g
B. 91.44 g
C. 6.02 x 10^23g
D. not enough information
which one is it?? thank you
No of moles:-
No of molecules/Avagadro no5.5×10²³÷6.022×10²³0.91molNow
molar mass:-
CaCO_340+12+48100g/molMass:-
100(0.91)91gOption B
19.5 g of NaCl occupy a volume of 29.5 mL. What is the molarity of the solution?
Round your answer to 1 decimal space, even if sig figs are not conserved.
(Please answer quickly)
Answer:
11.3 M
Explanation:
Na = 22.989 gm/mole
Cl = 35.45 gm/mole so Na Cl = 58.439 gm/mole
(19.5 / 58.439 )/ (29.5/1000) = 11.3 M
All the following are examples of common materials EXCEPT?
Explain 3 sources of carbon dioxide production and explain how the production of CO2 can lead to global warming.
Answer:
Natural sources include decomposition, ocean release and respiration. Human sources come from activities like cement production, deforestation as well as the burning of fossil fuels like coal, oil and natural gas.
Explanation:
is ironing clothes conduction, convection or radiation
Ironing clothes is Conduction.
What is Conduction?Conduction is one of the means of Heat transfer ,others includes
Convection RadiationConduction is the transfer of heat energy from one object to another object from particles in a hotter object to particles in a cooler object, For Example: Ironing clothes is conduction.
This is because The heat from the iron which transfers to the clothes is conduction.
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An atom is electrically neutral because
(a) neutrons balance out the protons and electrons.
(b) nuclear forces stabilize the charges.
(c) the number of protons and electrons are equal.
(d) the numbers of protons and neutrons are equal.
Answer:
c
Explanation:
neutrons have no charge
protons and electrons have opposite charges and balance each other out in equal numbers
Part G
Explain how the structure of ammonium lauryl sulfate, as described in parts E and F, produces the properties identified in part C. Write a short paragraph or two.
The molecule ammonium lauryl sulfate is a detergent because of its hydrophobic tail and a hydrophilic head which are responsible for its cleansing action.
Properties of ammonium lauryl sulfateThough not shown, I presume that the property labelled as C must have to do with the cleasing action of the molecule ammonium lauryl sulfate.
The substance has a hydrophobic tail and a hydrophilic head which enables it to form miscles and these are the responsible for the cleansing action of the ammonium lauryl sulfate molecule.
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The body is made up of systems that work together so that an organism can survive and grow. The musculoskeletal system contains muscles that move the body. How does the circulatory system help the muscles to function?
A. by transporting carbon dioxide that can be used by the muscles to produce energy
B. by transporting oxygen that can be used by the muscles to produce energy
C. by transporting carbon dioxide that can be used by the muscles for sensing information
D. by transporting oxygen that can be used by the muscles for sensing information
The circulatory system help the muscles to function by transporting oxygen that can be used by the muscles to produce energy.
What is Circulatory system?
This is the system which is involved in the transportation of nutrients, respiratory gases etc in a living organism.
The heart is the central organ which ensures oxygen is distributed to all parts of the cells for production of energy.
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How does tension affect the speed of a wave in a rope
Qi/ a cargo ship travels at an average speed of 20m/s. how long will it take to travel between two
ports which are 1000km apart?
Answer:
50000 seconds
Explanation:
Classic dimensional analysis question!
[tex]\frac{1000\text{km}}{20\text{m/s}} * \frac{1000\text{m}}{1\text{km}}=50000\text{s}[/tex]
where is the atomic number written
Answer:
The atomic number is written on top of the element symbol.
Explanation:
From top to bottom:
-Atomic Number
-Element Symbol
-Name
-Atomic Mass
~
Which uses more energy?
Question 1 options:
Washing machine
Dryer
Answer:
What's surprising, however, is that a washing machine requires way less electricity than a dryer. An average cycle for a washing machine is 30 minutes. This appliance, which is a widely used Energy Star model, needs 500 watts per hour to run, which means it requires 250 Wh, or 2.25 kWh, to run for 30 minutes.
Answer:
[tex]I'm~here~to~help![/tex]
The correct option is B. Dryer, because a washing machine uses 1,200 or 3,000 watts on average, while a dryer uses 1,800 or 5,000 watts. That is a lot of watts!
what is the molar mass of sucrose C12H22O11 , needed to prepare 500 mL of a sugar solution with a concentration of 0.783 mol.
Answer:
342g/mol
Explanation:
Molar mass of carbon=12, hydrogen=1 and oxygen=16
therefore C12H22O11=12(12)+22(1)+11(16)
=144+22+176
=342g/mol
Gold can be found in native or pure state in nature why? Write any one anyone application of sulphur
Answer:
Sulphur is used in making car batteries and fertlizers
Answer:
Gold is almost found in its pure state. Because gold does not react with other elements or compounds easily. Elemental sulfur is used in black gunpowder, matches, and fireworks; in the vulcanization of rubber; as a fungicide, insecticide, and fumigant; in the manufacture of phosphate fertilizers; and in the treatment of certain skin diseases. The principal use of sulfur, however, is in the preparation of its compounds.
Sodium + .... → Sodium sulfate + ....
Answer:
Sodium+ Sulphuric Acid--> Sodium Sulphate+ Water
The changes in the mass of the egg and volume of liquid in the beaker are inversely proportional. This demonstrates that _______ is moving from one area to another.
The changes in the mass of the egg and volume of liquid in the beaker are inversely proportional. This demonstrates that volume is moving from one area to another.
What is osmosis?Osmosis is a process in which solvent molecules will move from the higher concentration area to the lower concentration area.
When we put egg in any vessel where water is present then water molecule will move into the egg molecule as a result of the osmosis and due to this mass is inversely proportional to the volume. In this phenomenon water is moving from one area to another due to osmosis.
Hence volume is moving from one area to another.
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How many electrons must a sulfur atom gain to achieve an octet in its valence shell?.
Answer:
Answers Anonymous answered Sulfur has 6 valence electrons so it needs 2 more for an octet and it will then have a charge of negative 2
Explanation:
On a hot summer day Dylan's mom gets him a fully inflated birthday balloon at a nearby City Party. A few minutes after stepping out of the store, the balloon exploded just before she got into her car.
What advice would you provide if City Party has to fill another balloon for her that same hot day?
a) fill balloon just like before
b) fill balloon with slightly more air than before
c) fill balloon with cold air
d) fill balloon with slightly less air than before
Answer:
the answer is d slightly less
Name and title:include your name, instructor's name, date, and name of lab.objectives(s):in your own words, what is the purpose of this lab?hypothesis:in this section, please include the if/then statements you developed during your lab activity. these statements reflect your predicted outcomes for the experiment.if the mass of the sun is 1x, at least one planet will fall into the habitable zone if i place a planet in orbits___, ____, ____, and ____, and all planets will orbit the sun successfully.if the mass of the sun is 2x, at least one planet will fall into the habitable zone if i place a planet in orbits___, ____, ____, and ____, and all planets will orbit the sun successfully.if the mass of the sun is 3x, at least one planet will fall into the habitable zone if i place a planet in orbits___, ____, ____, and ____, and all planets will orbit the sun successfully.procedure:the materials and procedures are listed in your virtual lab. you do not need to repeat them here. however, you should note if you experienced any errors or other factors that might affect your outcome.using the summary questions at the end of your virtual lab activity, please clearly define the dependent and independent variables of the experiment.data:record your observation statements from space academy.when the mass of the sun is larger, earth moves around the sun at a ______ (faster, slower) pace.when the mass of the sun is smaller, earth moves around the sun at a ______ (faster, slower) pace.when earth is closer to the sun, its orbit becomes _____ (faster, slower).when earth is farther from the sun, its orbit becomes _____ (faster, slower).for each trial, record the orbit number of each planet from the sun. be sure to indicate the number of planets in the habitable zone after each trial. create a different configuration of planets for each trial. an example has been supplied for you. orbit numberplanet one orbit numberplanet two orbit numberplanet three orbit numberplanet four number of planets in the habitable zone number of planets left in successful orbitexample: sun's mass 1x 135612sun's mass 1x—trial one sun's mass 1x—trial two sun's mass 2x—trial one sun's mass 2x—trial two sun's mass 3x—trial one sun's mass 3x—trial two conclusion:your conclusion will include a summary of the lab results and an interpretation of the results. please answer all questions in complete sentences using your own words.using two to three sentences, summarize what you investigated and observed in this lab.you completed three terra forming trials. describe the how the sun's mass affects planets in a solar system. use data you recorded to support your conclusions.in this simulation, the masses of the planets were all the same. do you think if the masses of the planets were different, it would affect the results? why or why not?how does this simulation demonstrate the law of universal gravitation?it is the year 2085, and the world population has grown at an alarming rate. as a space explorer, you have been sent on a terraforming mission into space. your mission to search for a habitable planet for humans to colonize in addition to planet earth. you found a planet you believe would be habitable, and now need to report back your findings. describe the new planet, and why it would be perfect for maintaining human life.
If the mass of the sun is 1x, at least one planet will fall into the habitable zone if I place a planet in orbits 2, 6, and 75, and all planets will orbit the sun successfully.
If the mass of the sun is 2x, at least one planet will fall into the habitable zone if I place a planet in orbits 84 , 1, and 5, and all planets will orbit the sun successfully.
If the mass of the sun is 3x, at least one planet will fall into the habitable zone if I place a planet in orbits 672 and 7, and all planets will orbit the sun successfully.
When the mass of the sun is larger, Earth moves around the sun at a faster pace.When the mass of the sun is smaller, Earth moves around the sun at a slower pace.When Earth is closer to the sun, its orbit becomes faster.When Earth is farther from the sun, its orbit becomes slower.What would occur if the Earth was closer to the sun?When Earth is closer to the sun, there will be hotter climate. A little movement that takes one closer to the sun could lead to a huge impact.
Due to the fact that there is warming that can make the glaciers to melt, there is an increase in the sea levels and flooding occurs in a lot of areas of the planet and when there is no land to absorb some of the sun's heat, the temperatures on Earth would tend to rise more.
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what do all fossils fuels have in common
[tex] \mathrm\pink{Almost \: all \: fossils \: are \: in \: sedimentary \: rocks.} [/tex]
Using reliable internet resources, identify ways we use radio waves on Earth.
Answer:
Ways we use radio waves on Earth are television and FM and AM radio broadcasts, military communications, mobile phones, ham radio, wireless computer networks, and numerous other communications applications.
Explanation:
Ways we use radio waves on Earth are television and FM and AM radio broadcasts, military communications, mobile phones, ham radio, wireless computer networks, and numerous other communications applications.
What are radio waves?An electromagnetic wave of a frequency between about [tex]10^4[/tex] and [tex]10^{11}[/tex]or [tex]10^{12}[/tex] Hz, as used for long-distance communication.
AM and FM Radio Broadcasting which involves transmitting sound to a wide audience.
Radar is a detection system that uses radio waves to get information about objects.
Bluetooth and wireless communication use radio waves to create connections between devices.
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Balancing Chemical equations
20.
Answer:
Count each type of atom in reactants and products. ...
Place coefficients, as needed, in front of the symbols or formulas to increase the number of atoms or molecules of the substances. ...
Repeat steps 1 and 2 until the equation is balanced
Explanation:
Step 1: Coefficients Versus Subscripts. When approaching a chemical equation, it is important that you understand the difference between coefficients and subscripts. ...
Step 2: Sum the Atoms. ...
Step 3: Balance the First Element. ...
Step 4: Repeat for the Other Elements. ...
Step 5: Tips.
Answer:
2C6H6 + 15O2 = 12CO2 + 6H2O
Explanation:
This is a combustion reaction meaning a substance (in this case Benzene or C6H6) reacts with oxygen gas (O2) and releases energy in the form of light and heat.
so Benzene (C6H6) and Dioxygen (O2) are reactants meaning they are on the left side of the equation
Carbon Dioxide (CO2) and Water (H2O) are the products meaning they are on the right side of the equation
To balance an equation you need an equal amount of each element/compound/polyatomic on each side of the equation
so 2C6H6 + 15O2 = 12CO2 + 6H2O:
(2•6) = 12 C = (12•C) = 12 C ~ 12C = 12C
(2•6) = 12 H = (2•6) = 12 H ~ 12H = 12H
(15•2) = 30 O2 = [(12•2) • (6•1)] = 30 O2
~ 30 O2 = 30 O2
so the equation is now balanced
feel free to ask if you have any other questions
hope this helps :)
what is a radical in chemistry
___ discovered the actual force of g
I think the answer will be:
Sir isaac newton.
Please write an explanation if you find the answer, I don't get it.
A flask contains 21.8 g of chlorine gas and 47.8 g of sulfur dioxide gas. What is the mole fraction of the sulfur dioxide?
Round your answer to 3 decimal spaces, even if sig figs are not conserved.
The mole fraction of the sulfur dioxide gas present in a falsk which contains 21.8 g of chlorine gas and 47.8 g of sulfur dioxide gas is 0.708.
How do we calculate mole fraction?Mole fraction of any substance will be calculated by dividing the moles of desired substance by the total moles of the species present in that sample.
Moles can be calculated as:
n = W/M, where
W = given mass
M = molar mass
Moles of 21.8g of chlorine gas = 21.8g / 71g/mol = 0.307mol
Moles of 47.8g of sulphur dioxide gas = 47.8g / 64g/mol = 0.746mol
Mole fraction of sulphur dioxide gas = 0.746 / 0.746+0.307 = 0.708
Hence required mole fraction of sulphur dioxide gas is 0.708.
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What can you conclude about the relationship between height and energy?
Answer:
Since the gravitational potential energy of an object is directly proportional to its height above the zero position, a doubling of the height will result in a doubling of the gravitational potential energy. A tripling of the height will result in a tripling of the gravitational potential energy.
how is a convection current created.
Answer:
it is created by movement of molecules with higher energy upwards and the movement of molecules with lower energy downwards
Explanation:
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