Answer: The answer is 11.15587787626466 or rounded up it will be 11.2 mol.
Explanation: By converting Grams of any element it will be in moles which is grams in philosiphical terms. But by converting Fe(or iron) It is called a Convertment of measurement units.
The Alliance to Save Energy seeks to increase energy efficiency through _______.
a.
petitioning consumers to change their habits
b.
lobbying for policy changes
c.
reducing greenhouse gases
d.
increased spending on consumer goods
Please select the best answer from the choices provided
A
B
C
D
Answer:
B.) Lobbying for policy changes
The Alliance to Save Energy seeks to increase energy efficiency through lobbying for policy changes and the correct option is option B.
What is Alliance to Save energy?The Alliance to Save Energy (ASE) is a nonprofit organization formed by industrial, technological, environmental and consumer leaders. It promotes energy efficiency across the world through research, education and advocacy.
Their mission is to improve energy productivity by:
Leading bipartisan initiatives that drive technological innovation and energy efficiency across all sectors of the economy, through policy advocacy, education, communications, and research.Convening and engaging in diverse public private partnerships, collaborative efforts and strategic alliances to optimize resources and expand our sphere of influence.Therefore, The Alliance to Save Energy seeks to increase energy efficiency through lobbying for policy changes and the correct option is option B.
Learn more about Alliance to Save energy, here:
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H2 + O2 + H2O how do I balance this?
Explanation:
[tex]2H _{2(g)} + O _{2(g)}→2H _{2}O _{(l)}[/tex]
Insert 2 on Hydrogen then a 2 on water molecule.
What is the percent composition by mass of each element in Co(HSO4)2?
Show how you worked out the problem!!!!
______________% Co
_______________% H
----------------------------% O
------------------------------% S
Answer:
54.1 % Ca, 43.2 % O, 2.7% H
Explanation:
Molecular formula for calcium hydroxide is Ca(OH)₂
As we don't have a mass of Ca(OH)₂ to find out the percentage composition, we consider that the question refers to 1 mol of compound.
1 mol of hydroxide weighs 74.08 g
1 mol of hydroxide has 1 mol of Ca, therefore 40.08 g are Ca
2 moles of O therefore 32g are O
2 moles of H therefore 2 g are H
Percentage composition is known as (Mass of element/Total mass) . 100
(40.08 / 74.08) . 100 = 54.1 %
(32 / 74.08) . 100 = 43.2 %
(2 / 74.08) . 100 = 2.7%
im a smart one
How many moles are in 33 L of CO₂ gas at STP?
What is the percent composition by mass of each element in Co(HSO4)2?
Show how you worked out the problem!!!!
______________% Co
_______________% H
----------------------------% O
------------------------------% S
Answer:
CoHOS
Explanation:
______________% Co
_______________% H
----------------------------% O
------------------------------% S
You know im wrong but eh....
help me get this right no links
Answer:
What's the question? or show a picture
Why are models used to represent atoms?
O A. Atoms are too small to see.
O B. Models are completely accurate.
O C. Models explain new evidence.
O D. Models never change over time.
An instrument plays a frequency of 266 Hz. Another identical instrument plays a frequency of 400 Hz. How does the wavelength of each of these sound waves compare?
Multiple choice question.
A)
The wavelength of 266 Hz is more than wavelength of 400 Hz.
B)
The wavelength of 266 Hz is less than wavelength of 400 Hz.
C)
The wavelength of 266 Hz is same as wavelength of 400 Hz.
D)
There is no relation between wavelength and frequency.
Answer:
The wavelength of 266 Hz is more than wavelength of 400 Hz.
Explanation:
In physics, the relationship between frequency and wavelength is an inverse relationship. This means that the higher the frequency, the lower the wavelength. High frequency waves do not travel too far.
The implication of this is that the wavelength of a wave of frequency 266 Hz is more than the wavelength of a wave of frequency 400 Hz. Since longer wavelength corresponds to lesser frequency and shorter wavelength corresponds to higher frequency.
The teacher puts you in charge of measuring the pH of a marked solution of 0.0050 M HCL. What is the pH of this
solution?
HELP PLZZZ!!!
Answer: The pH of given solution is 2.3
Explanation:
It is given that the concentration of HCl solution is 0.005 M.
pH is the negative logarithm of concentration of hydrogen ions.
[tex]pH = -log [H^{+}][/tex]
Substitute values into the above formula as follows.
[tex]pH = -log [H^{+}]\\= - log (0.005)\\= 2.3[/tex]
Thus, we can conclude that the pH of given solution is 2.3
Which illustration represents a sound wave?
A or B
no link or i will report,plz help this is a test
2.
Which of the following aqueous solutions contains the same number of solute particles as are
contained in 250 cm of 2.0 mol dm potassium chloride?
A. 250 cm² of 2.0 mol dm3 calcium chloride solution.
B. 250 cm3 of 2.0 mol dm potassium sulphate solution
C. 500 cm' of 1.0 mol dmº magnesium sulphate solution.
D. 1000 cm3 of 2.0 mol dm of aqueous ethanol.
Answer:
C. 500 cm' of 1.0 mol dmº magnesium sulphate solution.
Explanation:
Let us look at each of the solutions individually;
CaCl2 has three particles
K2SO4 has three particles
MgSO4 has two particles
C2H5OH has only one particle
The number of moles of moles in 250 cm of 2.0 mol dm-3 potassium chloride is 250/1000 * 2 = 0.5 moles having two particles
Also; number of moles in 500 cm' of 1.0 mol dm-3 magnesium sulphate solution= 500/1000 * 1 = 0.5 moles having two particles
hey guys you should all call this number and leave a funny voicemail
5082036290
heheh
GO CRAZY
Answer:
Who's number is it LOL
Explanation:
Answer:
okay
Explanation:
I have 2.000 moles of potassium (K). How many grams of potassium chloride (KCl) can I make?
Answer:
You can make 149.1g of KCl
Explanation:
1 mole of potassium chloride, KCl, contains 1 mole of potassium, K. That means, with 2.000 moles of K we can make 2.000 moles of KCl. To solve this question we must convert these moles of KCl to mass in grams using its molar mass (Molar mass KCl = 74.5513g/mol):
Mass KCl:
2.000 moles KCl * (74.5513g / mol) =
You can make 149.1g of KClTrue or False: A second tidal bulge forms on the side of Earth opposite the moon because the moon's gravity pulls Earth away from the water.
A second tidal bulge forms on the side of Earth opposite the moon because the moon's gravity pulls Earth away from the water, which is false as the second tidal bulge is not caused by the moon's gravity pulling the Earth away from the water but rather is a result of the centripetal force caused by the rotation of the Earth-Moon system.
What is the tidal force?Tidal bulges are caused by the gravitational forces of the moon and the sun on the Earth's oceans. The gravitational force of the moon is stronger on the side of the earth facing the moon than on the side facing away from the moon. This creates a tidal bulge on the side of the earth facing the moon. However, there is also a second tidal bulge that forms on the side of the earth opposite the moon.
Hence, a second tidal bulge forms on the side of Earth opposite the moon because the moon's gravity pulls Earth away from the water, which is false as the second tidal bulge is not caused by the moon's gravity pulling the Earth away from the water but rather is a result of the centripetal force caused by the rotation of the Earth-Moon system.
Learn more about the tidal force here.
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The word “covalent” can be broken into two parts: “co” and “valent.” The “co” part means
“together.” To what does the “valent” part refer?
A. Outer electrons
B. Atoms
C. Protons
D. Nuclei
E. Inner electrons
Answer:
Outer electrons.
Explanation:
All bonds are localized bonds formed between two atoms by the donation of electrons from each atom.
True or False: The moon's gravity affects the oceans nearest the moon because the moon's gravity pulls water into a tidal bulge.
Answer: The moon's gravitational pull generates something called the tidal force. The tidal force causes Earth—and its water—to bulge out on the side closest to the moon and the side farthest from the moon. These bulges of water are high tides
Explanation:
The moon's gravity affects the oceans nearest the moon because the moon's gravity pulls water into a tidal bulge is a true statement.
What is tidal force?The tidal force is the result of the moon's gravitational pull.
The tidal force causes Earth—and its water—to bulge out on its closest and furthest sides from the moon. High tides cause these water bulges.
Thus, the statement is correct.
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How does the air on a hot day compare with the air on a cold day?
A. On a hot day air molecules have more energy
B. On a cold day air molecules don’t move at all
C. On a cold day air molecules move faster
D. On a hot day the air contains move nitrogen
The air on a hot day compare with the air on a cold day have more energy in its molecules. The correct option is A.
What is the comparison of air on hot day and cold day?The air on hot days have fewer molecules, so its volume is less than the air on cold days.
The air on hot days move faster because it contains more energy than the cold air. The molecules of hot air tend to move apart than the cold air
Thus, the correct option is A. On a hot day air molecules have more energy.
Learn more about hot air
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I need the answer by 12❤️
Answer:
answer number 3? ac
Explanation:
Do PV cells last for a long time and are efficient
The following illustration shows a tool that can be used to separate elements of certain mixtures. The picture is a magnet. This tool can separate what type of mixture? A. a solution of two solids B.a mixture of particles with different densities C.a mixture of particles of different sizes D.a mixture of magnetic and nonmagnetic items
Answer:
D obviously
Explanation:
a solution can't be sperated with a magnet
and the particles mentioned isn't specific
How many grams of NaCl are in 2.0 Liters of a 3.0 M NaCl solution?
Answer:
350.64g
Explanation:
So first you must know that M is mol/L
Next solve the problem using dimensional analysis
2L NaCl (3 mol/L) = 6 mol NaCl
After you got the number of moles you should look at your periodic table to find the molar mass
I see that it's 58.44g/mol
Use dimensional analysis again!
6 mol (58.44g/mol) = 350.64g
Don't forget to make me brainliest!
list a few reasons why the oxygen level decreases in case
Answer:
Blood oxygen level is the amount of oxygen circulating in the blood. Most of the oxygen is carried by red blood cells, which collect oxygen from the lungs and deliver it to all parts of the body.Blood oxygen level is the amount of oxygen circulating in the blood. Most of the oxygen is carried by red blood cells, which collect oxygen from the lungs and deliver it to all parts of the body.The body closely monitors blood oxygen levels to keep them within a specific range, so that there is enough oxygen for the needs of every cell in the body.Blood oxygen level is the amount of oxygen circulating in the blood. Most of the oxygen is carried by red blood cells, which collect oxygen from the lungs and deliver it to all parts of the body.The body closely monitors blood oxygen levels to keep them within a specific range, so that there is enough oxygen for the needs of every cell in the body.A person’s blood oxygen level is an indicator of how well the body distributes oxygen from the lungs to the cells, and it can be important for people’s healthExplanation:
"Oxygen fuels our living processes. It contracts our muscles, helps our cells to work, grow and regenerate, feeds our brains, calms our nerves, helps the heart to pump, cleanses the body of toxins, fights infection and boosts immunity," says Dr Jena, Director, Institute of Emergency Medicine, Mission Hospital & Research Center , Madurai.
Lungs:
Once air enters the nose or mouth, it gets humidified and reaches the oliveoli, tiny air sacs that help to pull in oxygen and transfer it into the blood stream and also to pull out the carbon dioxide and push it out of the lungs and back up to breathe out. destroys these oliveoli by thickening the walls so gas exchange becomes difficult.
Heart :
The left side of your heart receives oxygen-rich blood from your lungs and pumps it through your arteries to the rest of your body. The right side of your heart receives oxygen-poor blood from your veins and pumps it to your lungs, where it gets rid of the carbon dioxide and picks up oxygen. Inan increase in oxygen demand occurs because of compromised lungs and fear (that excites the body). This may lead to heart damage, especially if the arteries were already clogged.
this may help you hope so
What are the materials that good conductors and insulators?
Conductors
Silver
Gold
Copper
Aluminum
Mercury
Steel
Iron
Seawater
Concrete
Mercury
___________________
insulators
Aluminum foil
Glass
Air
Plastic
Rubber
Porcelain
Wood
Will give brainliest please help!!
Answer:
I think it's B so maybe
Na+ and P-3 whats the formula and whats the name of it
Answer:
Sodium phosphide is the inorganic compound with the formula Na 3 P. It is a black solid. It is often described as Na + salt of the P 3− anion. Na 3 P is a source of the highly reactive phosphide anion.
Explanation:
How does the Coriolis effect influence the movement of surface waters?
Answer:
The Coriolis effect bends the direction of surface currents to the right in the Northern Hemisphere and left in the Southern Hemisphere. The Coriolis effect causes winds and currents to form circular patterns. The direction that they spin depends on the hemisphere that they are in.
A 2.2 M solution is made by with 0.45 moles of a solute. What is the final volume of this solution?
Answer: The final volume of this solution is 0.204 L.
Explanation:
Given: Molarity of solution = 2.2 M
Moles of solute = 0.45 mol
Molarity is the number of moles of solute present divided by volume in liters.
[tex]Molarity = \frac{no. of moles}{Volume (in L)}[/tex]
Substitute the values into above formula as follows.
[tex]Molarity = \frac{no. of moles}{Volume (in L)}\\2.2 M = \frac{0.45}{Volume}\\Volume = 0.204 L[/tex]
Thus, we can conclude that the final volume of this solution is 0.204 L.
What is the product of the reduction of an aldehyde?
Answer:
Achol
Explanation:
Reduction of other aldehydes gives primary alcohols. Reduction of ketones gives secondary alcohols. The acidic work-up converts an intermediate metal alkoxide salt into the desired alcohol via a simple acid base reaction.
HELP THIS IS DUE SOON AND I HAVE MORE WORK TO DO
Answer:
A
Explanation:
Most of the world's active volcanoes are located along or near the boundaries between shifting plates and are called "plate-boundary" volcanoes.
Use the following electron configuration given below to answer the following question.
Answer:
mental
Explanation:
the element is vanadium, it is a Transition metal
