The kind of weather front that would be responsible for the forecast given above is:
"Cooler temperatures and clear skies in 2 days."
A weather front in Meteorology refers to the zone where transition occurs between two different air masses a the surface of the earth. That is, you have warm air (which usually results in low pressures, and of course rain) and cold air.
Warm air creates rain because a warm mass of air will hold moisture collected from a large geographical space. This air cools as it rises, then eventually transits into precipitation - rain.
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how is preciptation formed
(im rlly bad at this D:
Answer:
precipitation is formed by to much water in a cloud
Explanation:
How many moles of LIF are contained in 10.0 L of a 7.50 M solution
The number of moles of LIF are contained in 10.0 L of a 7.50 M solution is 75 moles.
What is molarity?Molarity of any solution is define as the number of moles of solute present in per liter of volume of solution and it is represented as:
M = n/V
Given that, Molarity of LiF solution = 7.50 M
Volume of solution = 10L
On putting values on above equation, we get moles
n = (7.50)(10) = 75 moles
Hence required moles of LiF is 75 mol.
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The arrows and yellow colored blocks indicate the ? Elements
Answer: The arrow and blue colored blocks denote the transition metal components.
Why are fossil fuels considered nonrenewable resources?
A. Because they are made from hydrocarbons
B. Because they are harmful to the environment
C. Because they take millions of years to recreate
D Because they are org&ic material
Answer:C they take millions of years to create
Explanation: Fossil fuels are created basically from the fossils of living organismorganisms and take millions of years to form
Because fossil fuels are made from the remains of ancient plants and other species that existed millions of years ago, they are considered a non-renewable resource. Therefore, the correct option is C.
They are formed as a result of the aggregation and compression of organic matter, including dead plants and bacteria, over a long period of time. Since this geological process takes millions of years to complete, it takes a very long time (compared to human lifetimes) for fresh fossil fuel resources to be generated. Once mined and used up, fossil fuel reserves such as coal, oil and natural gas cannot be replaced over time. Non-renewable resources are those that have a limited supply and take a long time to manufacture.
Therefore, the correct option is C.
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Another word for axis tilted on its side
write the net ionic reaction for barium nitrate + lithium iodide
The net ionic reaction for barium nitrate and lithium iodide showing the precipitation of barium iodide is given below:
[tex]Ba^{2+}(aq) + 2I^{-}(aq) \rightarrow BaI_2(s)[/tex]
What is a net ionic equation?A net ionic equation is an ionic equation which shows only the ions that have undergone both reduction and oxidation only without any spectator ions present.
The net ionic reaction for barium nitrate + lithium iodide is given below:
[tex]Ba^{2+}(aq) + 2I^{-}(aq) \rightarrow BaI_2(s)[/tex]
Therefore, net ionic reaction for barium nitrate and lithium iodide shows the precipitation of barium iodide.
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What is the molarity of a solution when 2.75 grams of NaCl is dissolved in 1100 ml of solution
Some water released 7800 J of energy when cooled from 78°C to 33°C. What was the mass of the water?
Answer:
-41. 47
Explanation:
m = q / Cp x T
m = Mass
q = Energy (or joules)
Cp = Heat Capacity
T = Change in Temperature
Water's heat capacity is always 4.18.
This is the formula you'll need for change in temperature:
Final - Initial
So, 33 - 78 = -45
m = 7800 / 4.18 x -45
= -41.47
Does CH3F have a higher boiling point than BRF?
Answer:
The boiling point of the fluoromethane (CH3F) is higher than that of fluorine (F2).
pls help me with this questionnn :))
Answer:
B. Sill
Explanation:
Magma that squeezes between horizontal rock layers hardens to form a sill. A dome mountain forms when uplift pushes a large body of hardened magma toward the surface, which eventually becomes exposed.
Kathleen makes iced coffee by adding ice to her room temperature coffee in a glass. What statement explains what is taking place inside her glass?
The ce molecules will slow down over time.
The coffee molecules will speed up over time.
The cold is transferred from the ice to the coffee.
The heat is transferred from the coffee to the ice.
Answer:
The answer is the heat is transferred from the ice to the coffee.
Explanation:
Hot molecules tend to transfer to colder molcules, which causes the ice to melt and makes the coffee colder.
Hope this helps! :)
Which statements about fresh-water sources are true.? (Multiple Choice) (please help asap thanks!:)
Answer:
The correct answers are:
"Only about 3 percent of Earth's water is fresh water."
"About 75% percent of the fresh water on Earth is frozen in ice sheets."
"The largest source of usable fresh water is groundwater."
Explanation:
3 percent of Earth's water is most certainly fresh water. Confirmed with a few fact checks.
The largest source of usable fresh water on Earth is groundwater. It's more difficult to access but it's there and much more usable than water say frozen in ice on the sea.
The most correct option left would be 75% of Earth's freshwater being in ice sheets even though it's about 70%.
Write the letter of the correct answer on the line
1.
-Which of the following is an opening
through which molten rock and gas leave a
volcano?
A pipe
B magma chamber
C crater
D vent
Answer:
D. Vent is the answer please
What is the molarity of the 8.76 g of Na2S dissolved in 0.500 L of solution?
Answer:
.224 M
Explanation:
To begin, we need to find the molar mass of Na2S
Na=22.99g, S=78.05g2(22.99)+1(32.07)=78.05To find Molarity, we use the equation M=moles/Liters of solution
We are given grams, so we must divide by the molar mass of Na2S to find moles.
8.76g Na2S / 78.05g/mol Na2S= .112 molesNow we use our Molarity equation:
.112 moles Na2S / .500L of solution = .224 MDo you think a benitoite ring would be costly or inexpensive?
Answer:
I think it would be costly due to the fact that the gem is very rare and gorgeous. Also, the current prices are on average $3,000 per carat, so I would say that is pretty costly.
Explanation:
Hope this helps:)....if not then sorry for wasting your time and may God bless you:)
difference between insulin resistance and insulin sensitivity? with source and thank
Answer:
Insulin resistance and insulin sensitivity are two sides of the same coin. If you have insulin resistance, you have low insulin sensitivity. Conversely, if you are sensitive to insulin, you have low insulin resistance.
Explanation:
searched it hope it helps
Bonding with intermolecular forces:
1.) is IBr a hydrogen bonding? yes or no?
2.) is IBr dipole-dipole interactions? Yes or no?
3.) is IBr a london dispersion forces? Yes or no?
Answer:
1.) is IBr a hydrogen bonding? yes or no? =No, IBR isn't a hydrogen bonding beacuse there are no H atoms and neither atom is N, O, F.2.) is IBr dipole-dipole interactions? Yes or no? = Yes, IBR is a dipole-dipole interactions beacuse Both I and Br are large molecules with lots of electrons.3.) is IBr a london dispersion forces? Yes or no?= No, IBR isn't a london dispersion forces because IBr is a polar dispersion force.Answer :
See below ~
Explanation :
1) No
IBR isn't a hydrogen bonding beacuse : there are no H atoms and neither atom is N, O, F.2) Yes
IBR is a dipole-dipole interactions beacuse Both I and Br are electronegative (dipolar) molecules with lots of electrons.3) No
IBR isn't a london dispersion forces because IBr is a polar dispersion force, and London forces are only present in non-polar dispersion forcesAs far as terrain, mountainous northern coast otherwise known as the
A. Sierra Nevada Mountains
B. Atlas Mountains
C. Rif Mountains
D. Appalachians
Are physical changes and chemical changes qualitative or quantitative data?
Three examples of
solid and gas solution
Answer:
Solutions having solvent in solid-state and solute in the gaseous state are called gas-solid solution. Hydrogen is a gas at STP and platinum is solid. Hence, Hydrogen gas adsorbed on the surface of platinum is an example of gas in solid solution.
please answer all parts and explain?
Answer:
a
Explanation:
this is the correct answer
What does the scientific method help test in environmental science?
The scientific method is a way to test a
and gain a better understanding of the world.
Answer:
The scientific method is a way to test a hypothesis and gain a better understanding of the world.
Explanation:
The scientific method is a process used to explore observations and answer questions. The usual process involves making conjectures -that would be the hypotheses-, drawing predictions resulting from a logical consequence, and carring out experiments based on those predictions. The ultimate goal is to test a scientific hypothesis.
What is the number of moles of solute in 7.3L of a 4.6M solution?
Answer:
33.58 Moles
Explanation:
7.3 L * 4.6 M / L = 33.58 Moles
A breakfast of cereal, orange juice, and milk might contain 230 nutritional Calories. How much is this in Joules?
A) 200,970 J
B)962,320 J
C)740,980 J
D)100,525 J
Answer:
B
Explanation:
962,320 J
230 nutritional Calories in Joules is 962,320 J
Which chemical equation is balanced
Answer: D
Explanation:
The reason it is D is because a balanced chemical equation will always have the same number of atoms on both sides. In answer d, both sides have a total of 4 atoms, so it it balanced.
One pound (1.00 lb) of body fat is equivalent to approximately 3.488 x 103
kcal.
The average amount of calories burned during running is 125 kcal/mile.
How many miles does an athlete have to run to burn off 1.00 lb of body fat?
Show your calculations.
Your Answer:
1 mil
2400
270
Since one pound (1.00 lb) of body fat is equivalent to approximately 3.488 x 10^3 kcal, then 27.9 miles must be covered to burn off one pound.
What is energy?Energy is defined as the ability to do work. Now we are told that one pound (1.00 lb) of body fat is equivalent to approximately 3.488 x 10^3
kcal.
Hence;
If 125 kcal is burnt by running one mile
3.488 x 10^3 kcal is burnt by running x miles
x = 3.488 x 10^3 kcal * 1 mile/125 kcal
x = 27.9 miles
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How does the heat flow from the coffee to the part of the spoon in the coffee?
Answer:
Heat flows from the coffee to the spoon through conduction
Explanation:I did the lab assignment
Answer:
Heat can travel from one place to another in three ways: Conduction, Convection and Radiation. As the spoon is in direct contact with hot mug of coffee the heat will transfer to spoon this represent the process of conduction.
If 10 moles of a gas are at a pressure of 3.6 atm and at a temperature of 27°C, what is the volume of the container that the gas is in.
Answer:
68.4 liters
Explanation:
PV = nR T R = gas constant = .082057 L atm / K-mole
n = 10 T = 27C = 300.15 K
3.6 V = 10 * .082057 * 300.15 solve for V = 68.4 liters
Many states require drivers to use hands-free cell phones only. A) TrueB) False
Answer:
True.
Explanation:
Typically, cars have built in radios for the reason of not using your phone. That's why you connect it with bluetooth to call, text, and use personal music instead of listening to the ones on the radio.
Answer:
True
Explanation:
It is to keep us safe. So, we answer calls without having to take our hands off the wheel. Although it is unsafe for that aswell. The best thing to do is have 0 things that would keep you from having your eyes on the road.
what is the heat of fusion of water in calories per mole?
Answer:
79.72 Calories
Explanation:
Answer:The heat of fusion for water at 0 °C is approximately 334 joules (79.7 calories) per gram, and the heat of vaporization at 100 °C is about 2,230 joules
Explanation: i really hope this helps but im not sureif this is exactly what your looking for :)