gardens arent real the government is lying the world is a simulation
As the soil absorbs manure, nutrients are released. This enriches the soil, which in turn helps the plants. The most important benefit of using manure in the garden is its ability to condition the soil For instance, mixing manure with sandy soils helps to retain moisture levels.
What volume (in L) of 1.10 M FeCl₃ would be required to obtain 0.700 moles of Cl⁻ ions?
0.636 liters of the 1.10 M FeCl₃ solution to obtain 0.700 moles of Cl⁻ ions.
Thus, Volume (L)= moles/ concentration. 0.700 moles of Cl⁻ ions and the concentration of the FeCl₃ solution is 1.10 M, you can plug in these values to calculate the volume.
Volume (L) = 0.700/ 1.10 M,
Volume (L)= 1.10M/ 0.700moles
Volume (L) = 0.700/ 1.10 ≈ 0.636 L
Therefore, approximately 0.636 liters of the 1.10 M FeCl₃ solution to obtain 0.700 moles of Cl⁻ ions.
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Can you convert this balanced equation into a nominative equation?
Answer:
yes you can
Explanation:
What is the law of conservation of mass and how does it relate to chemical equations?
What does it mean for a
chemical equation to be balanced?
Answer: Matter cannot be created or destroyed in chemical reactions.
Explanation: This is the law of conservation of mass. In every chemical reaction, the same mass of matter must end up in the products as started in the reactants. Balanced chemical equations show that mass is conserved in chemical reactions.
What factors affect the strength of electric and magnetic forces?
Answer:
nature of the core material, strength of the current passing through the core
Explanation:
Have a great day
Which is larger 1.45 or 1.2544 for density
Answer:
1.45 is larger for density
if you answer this question right you get 100 points. What is my favorite color it is a 4 letter word and it ends with e
° °
∵ω∵
Answer:
Blue!!
I think it is blue!
is it blue cuz i think its blue
Which characteristic do valence electrons indicate about reactions between atoms?
A.bond type
B.electronegativity difference
C.bond number
D.absolute electronegativity
Answer:
the answer is Bond Number
Explanation:
b r u h i just took the quiz and got the answer wrong lol
so turns out its BOND NUMBER
The whole Chemical Reaction Predictions Quick Check for Chemistry
1) chemical reaction
2) bond number
3) chemical bonds
4) C3H6O3
5) Iron oxides form when oxygen, a product of photosynthesis, is in the atmosphere
Bohr models do not correctly show the location of electrons in an atom explain why they are still useful to predict bonding of atoms
Answer:
looo
rdyxvxkxkvxkgxkgdkvx
Explanation:
lolollkvvbffffkhdhlxkgzfjzufsfjsdhayzyrzruzruzufzktzkgdjfdufskdgjgzjfgkzjgskf
1. Select the animals which are vertibrates
A. Tigers
B. Lions
C. Butterfly
D. Frogs
E. Ants
F. Spiders
G. Dogs
H. Cats
I. Eagles
J. Snail
Answer:
A.Tigers
B.Lions
C.Frogs
G.Dogs
H.Cats
I.Eagles
Which of the following has the most thermal energy?
A full-size candy bar that is melting
A swimming pool on a sunny day
The entire atmosphere of the earth
1 gallon of boiling water
The one that has the most thermal energy out of the following is 1 gallon of boiling water.
Thermal energy is the energy generated by a material as a result of particle movement inside the material. Thermal energy causes things to have an internal temperature, which may be measured. The greater the temperature measured, the quicker the particles travel within the system.
The full-size candy bar that is melting melts at a slower particle rate compared to the 1 gallon of boiling water whose particles travel faster.
A swimming pool on a sunny day has average thermal energy. Also, the entire atmosphere of the earth may not experience the same amount of thermal energy from the sunlight.
Therefore, we can conclude that the most thermal energy out of the following is 1 gallon of boiling water.
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Suppose you identify a new element, Pivotium. Pivotium has two isotopes: Pivotium-426 and Pivotium-417. In the mixture, 11% of the mixture is Pivotium-426; the rest of the mixture is Pivotium-417. What is the relative atomic mass for Pivotium?
Answer:
Explanation:
Suppose you identify a new element, Pivotium. Pivotium has two isotopes: Pivotium-426 and Pivotium-417. In the mixture, 11% of the mixture is Pivotium-426; the rest of the mixture is Pivotium-417. What is the relative atomic mass for Pivotium?
Multiply the mass by the % written as a decimal and add the result.
426X0,11 + 417X 0.89 = 417.99 or 418
check 90% is. 417 only 10% 426
417X.9 +(426X0.10)=417.9
HELP PLEASE I HAVE A TEST TODAY AND I DON'T UNDERSTAND ANY OF THIS...
265 kilojoules of energy are added to 150g of ice at 0 degrees C how many grams of water would boil away
Answer:
About 67 grams or 67.39 grams
Explanation:
First you would have to remember a few things:
enthalpy to melt ice is called enthalpy of fusion. this value is 6.02kJ/mol
of ice
it takes 4.18 joules to raise 1 gram of liquid water 1 degree C
water boils at 100 degrees C and water melts above 0 degrees C
1 kilojoules is 1000 joules
water's enthalpy of vaporization (steam) is 40.68 kJ/mol
a mole of water is 18.02 grams
we also have to assume the ice is at 0 degrees C
Step 1
Now start with your ice. The enthalpy of fusion for ice is calculated with this formula:
q = n x ΔH q= energy, n = moles of water, ΔH=enthalpy of fusion
Calculate how many moles of ice you have:
150g x (1 mol / 18.02 g) = 8.32 moles
Put that into the equation:
q = 8.32 mol x 6.02 = 50.09 kJ of energy to melt 150g of ice
Step 2
To raise 1 gram of water to the boiling point, it would take 4.18 joules times 100 (degrees C) or 418 joules.
So if it takes 418 joules for just 1 gram of water, it would take 150 times that amount to raise 150g to 100 degrees C. 418 x 150 = 62,700 joules or 62.7 kilojoules.
So far you have already used 50.09 kJ to melt the ice and another 62.7 kJ to bring the water to boiling. That's a total of 112.79 kJ.
Step 3
The final step is to see how much energy is left to vaporize the water.
Subtract the energy you used so far from what you were told you have.
265 kJ - 112.79 kJ = 152.21 kJ
Again q = mol x ΔH (vaporization)
You know you only have 152.21 kJ left so find out how many moles that will vaporize.
152.21 kJ = mol x 40.68 or mol = 152.21 / 40.68 = 3.74 moles
This tells you that you have vaporized 3.74 moles with the energy you have left.
Convert that back to grams.
3.74 mol x ( 18.02 g / 1 mol ) = 67.39 grams
A sample of an unknown solid is found to have a volume of 24.3 cm3 and a mass of
217.0 grams. What is the density of the unknown
Explanation:
Density = mass ÷ volume
= 217.0 g ÷ 24.3 cm³
= 8.93 g/cm³
∴ the unknown sample of mass 217.0 grams and volume of 24.3 cm³ has a density of 8.93 g/cm³.
An astronomer is describing an orbiting body she recently observed. Based on this description, determine which region of the solar system the body is most likely to reside in:
At its closest, the observed body was 2.4 AU from the Sun. At this point, we were able to determine that it was composed primarily of rock and metal, although we do not know exactly which metals it contains. Its orbit is not a perfect ellipse because it moves slightly every time Jupiter passes by.
asteroid belt
inner planets
outer planets
Kuiper Belt
Oort cloud
Answer:
Asteroid belt
Explanation:
Answer:
asteriod belt i think?
Explanation:
sorry if im wrong but Jupiter does pass pretty close to the asteroid belt
Brainliest?
Someone pls help me I will make you brain
If greenhouse gases in the atmosphere act like a blanket around the Earth, how is this "blanket” being changed by human activities?
It is getting thinner and keeping the Earth cooler.
It is getting thicker and keeping the Earth cooler.
It is getting thicker and keeping the Earth warmer.
It is getting thinner and keeping the Earth warmer.
Answer:
It is getting thicker and keeping the Earth warmer.
Answer:
it is getting thinner and keeping the earth warmer
pls help!!! A kitten has a mass of 1582 g and accelerates at 1.7 m/s^2. What is the net force acting upon the kitten?
Write down all the givens from the problem.
Are all of the units in the form required to use the generic equation? If not, then show your conversion.
Write the generic equation (equation with variables only) for this problem. Do not add any spaces between letters or symbols.
Substitute your numbers into the generic equation. This is where you show your math work, step by step. Solve the problem
Enter the numeric portion (numbers only) of your answer here rounded to the nearest tenth.
Enter the numeric portion (numbers only) of your answer here rounded to the nearest tenth.
Answer:
2689.4
Explanation:
what is a substance called if it speeds up a chemical reaction?
Answer:
A catalyst
Catalysts speed up the rate of reaction without being changed or used up in the reaction.
Hope this helps!
I will make you brainless answer this 1 question pleaaeeee!b
In a movable pulley system, where does the other effort come from?
Answer:
In a movable pulley system, where does the other effort come from? is carried by this end of the rope. This means that the structure (ceiling) does half the effort.
Explanation:
I need help with this question can someone help me with it
Answer:
sorry but can't understand your question properly
which of the following is a physical property of the salt crystals shown here?
A.they are gas
B.they cannot burn
c.they are a liquid
D. they are clear white
Answer:
As the explanation i think the answer is D
Explanation:
Transparent and colourless in crystalline form – rather like ice. Crystallises in the isometric system, usually in the form of cubes. Soluble in water (35.6g/100g at 0°C and 39.2g/100g at 100°). Slightly soluble in alcohol, but insoluble in concentrated hydrochloric acid.Physical properties: Sodium chloride is a white crystalline solid with a density of 2.16 g/mL, and a melting point of 801 °C. It is also available as aqueous solutions of different concentrations, called saline solutions. Chemical properties: Sodium chloride is readily soluble in water and other polar solvents.
19 What is the number of moles of nitrogen gas which react with 18 g of magnesium to form magnesium nitride compound ? [Mg = 24,N=14]
a) 0.25 mol 0 b) 0.5 mol C) 1 mol d) 2 mol
Answer:
0.5 mol of nitrogen gas.
Explanation:
18g of Magnesium in mol is equal to 18g/24 gmol-1 = 0.75 mol and 7g of nitrogen in mol is equal to 7g/14 gmol-1 = 0.5 mol,
Thus, When 18g of magnesium reacts with 7g of nitrogen it implies 0.75 mol of magnesium which reacts with 0.5 mol of nitrogen. :)
The number of moles of nitrogen gas which react with 18 g of magnesium
to form magnesium nitride compound is 0.5mol.
We need to find the number of mole for magnesium and nitrogen.
Mole= mass/molar mass
Magnesium= 18g/24gmol⁻¹ = 0.75mol of Mg
Nitrogen= 7g/14gmol⁻¹ = 0.5mol of N
This implies that when 18g of magnesium reacts with 7g of nitrogen it
means 0.75 mol of magnesium which reacts with 0.5 mol of nitrogen.
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Which two conversion factors would be used to convert the quantity of 4500 seconds into hours.
Answer:
the answer is A
Explanation:
in 60 seconds there is 1 minute and in 60 minutes there is one hour
Which choice lists the different types of change in order of increasing energy
a) chemical, nuclear, physical
b) chemical, physical, nuclear
c) physical, chemical, nuclear
d) nuclear, chemical, physical
Answer:
Your answer is D.
Explanation:
Answer:
I would answer D
Explanation:
I might be wrong though
which type is every one in this picture: pure substance or mixture?
Answer:
1,2,3,4,8,9,10,12,14,15 and 16
Explanation:
Coz they have different kinds (colours) of atoms
The rest are pure substances,
I'm not so sure though, double check after this
What is the molality of a solution containing 10.0 G of NA2 S04 and 1000.0 G of water
Explanation:
1 literThe total of water is equal to 1000.0 g of water
we need to find the molality of a solution containing 10.0 g of dissolved in Na₂S0₄1000.0 g of water
1. For that find the molar mass
Na: 2 x 22.99= 45.98
S: 32.07
O: 4 x 16= 64
The total molar mass is 142.05
We have to find the number of moles, y
To find the number of moles divide 10.0g by 142.05 g/mol.
So the number of moles is 0.0704 moles.
For the molarity, you need the number of moles divided by the volume. So, 0.0704 mol/1 L.
The molarity would end up being 0.0704 M
The molality of a solution containing 10.0 g of Na2SO4 dissolved in 1000.0 g of water is 0.0704 Mliter
when a carbohydrate is attached to a phospholipid what is the structure called
Answer:
Glycolipid
Explanation:
These are called glycolipids.
Glyco comes from the carbohydrate, and is a word relating to sugars, which are a type of carbohydrate
Lipid is a fat/oil, and as you could have guessed, comes from the phospholipid.
Hope I helped! :)
A carbohydrate attached to a phospholipid is called a glycolipid.
What is a glycolipid?Glycolipids can be described as the complex type lipid containing carbohydrates, fatty acids, and glycerol groups. The glycosidic term is used for any molecule containing one or more monosaccharides bound by glycosidic linkage.
Glycolipids can be also called structural lipids, which are generally found in the extracellular face of the cell membranes. Different types of glycolipid are Cerebroside and ganglioside.
Glycolipids provide energy to cells and help to determine the blood group. The blood group types determine from the oligosaccharides attached to a particular glycolipid on the surface of blood cells.
It assists the immune system of the body by destroying the pathogens in the human body.
A phospholipid is a lipid that is attached to the phosphate group. When the carbohydrate molecules attached to the lipid are known as glycolipid. Glycolipid plays an important role on the cell to cell interaction and cell differentiation.
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Which of the following sequences of elements would all have four valence electrons?
A.) B, Si, As, Te
B.) C, Si, Ge, Sn
C.) O, S, Se, Te
D.) Ga, Ge, As, Se
Answer:
Your answer should be B.) C, Si, Ge, Sn! I hope this helps you! :)
Balance the following equation:
C7H602 + 02 -- CO2 + H20
Answer:
Explanation:
2C7H6O2 + 15O2 → 14CO2 + 6H2O.