To convert from L to ml, we move three spaces to the right and the decimal place moves three places.
Our task here is to convert 600 L to mL. we have to remember that to convert from L to ml, we have to multiply the value in L by 1000
In other words, the value 1000 is known as the conversion factor.
When we do this, we move the decimal place three places to the right to have 600000.00mL
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Describe how you would prepare a supersaturated solution
Answer:
A supersaturated solution contains more dissolved solute than required for preparing a saturated solution and can be prepared by heating a saturated solution, adding more solute, and then cooling it gently. Excess dissolved solute crystallizes by seeding supersaturated solution with a few crystals of the solute.
Explanation:
if shoto todoroki has a half hot half cold quirk and he eats a ice cube does one half melt and one half freeze
Answer:
in a way yes and no
Explanation:
shoto can control the temperature of both of his quirks so one can over power the other
he can melt the ice with the fire
and freeze the fire over the ice
hope it helps
chemical formula of magnesium nitrate
Hello.
Magnesium nitrate is a chemical compound with the formula Mg (NO₃) ₂. Magnesium nitrate is an inorganic salt very soluble in water and alcohol and has the appearance of fine white crystals.
Magnesium Nitrate is commonly used as a fertilizer due to its high nutritional value, since it provides Magnesium and Nitrogen, these are important nutrients in the growth of crops. It is a water soluble fertilizer. Contains 10.5% N - 15.6% MgO. Provides nitrogen in the form of nitrate.
Match the vocabulary words with their definitions.
1. an instrument to measure magnetism
megawatt
2. a system for the production of controlled nuclear energy
reactor
3. a million watts; thousand kilowatts
infrared
4. invisible radiation with waves longer than red
magnetometer
5. an engine in which a wheel turns by the force of wind, water, or steam
turbine
Answer:
1. magnetometer, 2. reactor, 3. megawatt, 4. infrared, 5. turbine.
Explanation:
A magnetometer is an electronic instrument used to measure magnetic fields.
(1. an instrument to measure magnetism - magnetometer)
A reactor is a device used for the production of controlled nuclear energy, there are two principles in which nuclear reactors can be based: (i) Fission, (ii) Fusion.
(2. a system for the production of controlled nuclear energy - reactor)
A million watts equals a megawatt, a power SI unit.
(3. a million watts; thousand kilowatts - megawatt)
Infrared radiation corresponds to electromagnetic waves whose wavelength is between 0.7 to 1000 micrometers.
(4. invisible radiation with waves longer than red - infrared)
A turbine is mechanical device which generates mechanical work at the expense of fluid energy.
(5. An engine in which a wheel turns by the force of wind, water or steam - turbine)
sodium carbonate decahydrate crystals were left exposed on a watch glass for two days
(a)name the property of salts investigated in the above experiment?
I think sublimation because sublimation is the process by which substances change back to gases immediately
calculate the volume in L od 2.11mol/L CuSo4(aq) solution that contains 0.41 mol copper(2) sulfate
Answer:
0.194L
Explanation:
Molarity of a solution is its molar concentration, and can be calculated using the formula:
Molarity = no. of moles (n) ÷ volume (V)
According to this question, the molar concentration/molarity of a solution of copper sulfate (CuSO4) is 2.11mol/L and contains 0.41 mol CuSO4. The volume can be calculated as follows;
Volume = no. of moles ÷ molarity
Volume = 0.41mol ÷ 2.11mol/L
V = 0.194 liter
If 0.735J of heat is added to 0.9916g of water, how much will the temperature increase?
0.238 oC
0.177 oC
0.310 oC
1.78 oC
Answer:
1.78 oC i think -_-
Explanation:
Have a great day-...
Which of these provides the most creative explanation for how rocks are made at present?
Law of Superposition
O Law of Unconformities
Principle of Uniformitarianism
O Principle of Original Horizontality
Answer:
Principle of Original Horizontality
Identifica las formas de energía mecánica
(cinética y potencial) que tienen lugar en diferentes puntos del movimiento en
un sistema mecánico (caída libre, montaña rusa, péndulo).
2 Tipos de Energía Mecánica
2.1 1. Energía hidráulica
2.2 2. Energía eólica
2.3 3. Energía Mareomotriz
3 Ejemplos de Energía Mecánica
3.1 1. Planta hidroeléctrica
3.2 2. Máquinas de Vapor
3.3 3. Motor de Combustión interna
3.4 4. Molinos de Viento
3.5 5. Un Juego de Billar
3.6 6. Motor eléctrico
3.7 7. Locomotora
3.8 8. Bala
3.9 9. Una pistola de Dardos
3.10 10. Pelota sobre una mesa
https://www.aura-energia.com/ejemplos-de-energia-mecanica/
the setup below was used to investigate the reaction between metals and water
i.)identify solid X and state its purpose
ii.)write a chemical equation for the reaction that produces the flame
Answer:
I hope it helps you
Explanation:
make me brainlest
Solid X is glass wool and is used to generate the flow of steam .Chemical equation for reaction between metal and water is metal hydroxide and hydrogen gas.
What is chemical equation?Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.
A plus sign is present between reactants and products if they are more than one in any case and an arrow is present pointing towards the product side which indicates the direction of the reaction .There are coefficients present next to the chemical symbols and formulas .
The first chemical equation was put forth by Jean Beguin in 1615.By making use of chemical equations the direction of reaction ,state of reactants and products can be stated. In the chemical equations even the temperature to be maintained and catalyst can be mentioned.
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Which of the following are properties of metalloids?
A. Semi-conductors
B. All of these
C. React like metals sometimes
D. React like non-metals sometimes
Answer:
all of these are properties of metalloids
Answer:
The answer is B. All of these
Explanation:
Can you mark me the brainliest?
3. 79.0 grams of water was produced with a percent yield of 75.0%. How many grams of
oxygen did he start with?
4. 2.00 moles of oxygen gas at STP will produce how many grams of water, if the percent
yield is 82.0%?
Answer:
Explanation:
3 )
18 grams of water contains 16 grams of oxygen .
Let the grams of oxygen needed be m .
yield is 75%
Only 75 % of m will make water .
.75 m will form water .
water formed by .75 m of oxygen = 18 / 16 x .75 m
Given that
18 / 16 x .75 m = 79
m = (16 x 79) / ( 18 x .75 )
= 93.63 grams .
So oxygen required is 93.63 grams .
4 )
One mole of water contains 0.5 moles of oxygen.
2 moles of oxygen will make 2 /,5 = 4 moles of water .
percent yield is 82 % ,
so water produced = .82 x 4 = 3.28 moles of water.
PLEASE SOMEONE HELP ME WITH THIIS QUESTION
The labels have fallen off three bottles. Bottle A contains a gas, bottle B contains a liquid and bottle C contains a solid. The labels indicate that the compounds have the same number of carbon atoms, one being and alkane, one an alcohol, and the other a carboxylic acid. Suggest the identity of the contents of each bottle, and give reasons for your answer.
Answer:
The correct answer is - 5 carbon compounds due to low to high intermolecular forces between their molecules.
Explanation:
Bottle C has gas in it and we know that alkane has carbon and hydrogen only which means they have a single sigma bond between them and very low intermolecular forces in between molecules and are present mostly at gaseous state. Thus, bottle C has alkane.
Alcohols have -OH group that can form rarely two pi bonds which means they have intermediate intermolecular force whereas acids have -cooH group with a high molecular force so bottle B with liquid is alcohol and A has acid.
Characteristics of a mixture?
Answer:
the substance mixture can be sperate by filtration, distillation, and freezing.
Jack was camping. He put a can of baked beans on his campfire, without opening the lid. The can exploded. What happened?
Answer:
Too much steam expands within the can, causing it to explode
Explanation:
Beans contain water, and when water is heated, steam is created. As the steam increases, there's less and less room for it to go. The built up pressure causes the can to explode.
plz answer (d) explain
Cu2+ is reduced to Cu.
Change in oxidation state is from +2 to 0
An unknown compound has the following chemical formula: NxO
where x stands for a whole number.
Measurements also show that a certain sample of the unknown compound contains 5.2 mol of nitrogen and 2.65 mol of oxygen
Write the complete chemical formula for the unknown compound.
Taking into account the definition of empirical formula, the complete chemical formula for the unknown compound is N₂O.
The empirical formula of a chemical compound shows the ratio between the atoms of the compound. That is, it indicates which elements are present and the minimum ratio in whole numbers between their atoms. The empirical formula is the simplest chemical formula for a chemical compound, which is why it is also called the minimum formula.
The empirical formula must be expressed using integer relationships, then to obtain this formula, divide the numbers of moles by the smallest result of them. In this case:
Nitrogen: [tex]\frac{5.2 moles}{2.65 moles}[/tex]= 1.96 moles ≅ 2 moles
Oxygen [tex]\frac{2.65 moles}{2.65 moles}[/tex]= 1 mole
Being the chemical formula of hte compound NxO, where x stands for a whole number, this indicates that the elements N and O are in the compound in a whole number ratio of x: 1. Then, as in the empirical formula, the numbers of moles must be expressed in whole numbers, as previously calculated, the value of x must be 2.
In summary, the complete chemical formula for the unknown compound is N₂O.
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Calculate the mass percent of carbon,oxygen, nitrogen and hydrogen in acetamide, C2H5NO.
Molar Mass:
O=16, N=14,C=12, H =1.
Answer:
40.68 % C
23.73 % N
8.47% H
27.12% O
Explanation:
The mass percent of an element X in a compound is calculated as the molar mass (MM) of X multiplied by the number of atoms of X in the compound, divided into the molecular weight (MW) of the compound, as follows:
mass percent of X = (MM(X) x number of atoms of X)/MW compound x 100
Thus, we first calculate the MW of acetamide (C₂H₅NO) by using the molar mass of the chemical elements C, H, N and O:
MW(C₂H₅NO) = (12 g/mol C x 2) + (1 g/mol H x 5) + 14 g/mol N + 16 g/mol O = 59 g/mol
Now, we can calculate the mass percent of each element (C, H, N, O) in C₂H₅NO:
Mass percent of C (2 atoms of C in 1 molecule of C₂H₅NO):% mass C = (12 g/mol x 2)/(59 g/mol) x 100 = 40.68 %
Mass percent of N (1 atom of N in 1 molecule of C₂H₅NO):% mass N = (14 g/mol x 1)/(59 g/mol) x 100 = 23.73 %
Mass percent of H (5 atoms of H in 1 molecule of C₂H₅NO):
% mass H = (1 g/mol x 5)/(59 g/mol) x 100 = 8.47 %
Mass percent of O (1 atom of O in 1 molecule of C₂H₅NO):
% mass O = (16 g/mol x 1)/(59 g/mol) x 100 = 27.12 %
The sum of the mass percents has to be equal to 100%:
40.68 % C + 23.73 % N + 8.47% H + 27.12% O = 100%
El tipo de enlace en los compuestos: NaF , SO2 e I2 ,son respectivamente de acuerdo a sus electronegatividades que son las siguientes: Na = 0.9 F= 4.0 S= 2.6 I =2.7 F=4.0
Respuesta:
NaF: Enlace iónico
SO₂: Enlace covalente polar
I₂: Enlace covalente apolar
Explicación:
El tipo de enlace entre 2 elementos depende de la diferencia de electronegatividad.
Si ΔEN = 0, el enlace es covalente apolar.Si 0 < ΔEN ≤ 1.7 , el enlace es covalente polar.Si ΔEN > 1.7 , el enlace es covalente iónico.NaF
ΔEN = |EN(Na)-EN(F)| = |0.9-4.0| = 3.1
El enlace es iónico.
SO₂
ΔEN = |EN(S)-EN(O)| = |2.6-3.5| = 0.9
El enlace es covalente polar.
I₂
ΔEN = |EN(I)-EN(I)| = |2.7-2.7| = 0
El enlace es covalente apolar.
Por favor, necesito ayuda, es urgente!!!
Answer:
what type of language this is ??
Why boiling point is less at hilly station?
How does the arrangement of particles determine the physical properties of different states of matter?
Answer:
See explanation
Explanation:
Matter may exist in three phases; solid, liquid and gas. The state in which matter exists depends on the extent of intermolecular forces operating in the substance.
In solid particles, the molecules that compose the solid are close together because the molecules of a solid do not move from place to place but they continue to vibrate about their fixed position.
For liquids, the molecules that compose a liquid are in random motion but are less energetic than molecules of a gas.
In gases, the molecules are not held together at all. The molecules of a gas have the highest degree of freedom. They move from one point another at a high velocity.
Hence, the order of increasing degree of movement of the particles in different states of matter = solids<liquids< gases.
Solids have well arranged particles, the molecules of a liquid are a little more disorderly than liquid particles while gas particles are the most disorderly of all the states of matter.
TIME REMAINI
166:31:2
Which statement best describes why computer models are useful in science?
O
They can store and process data to make accurate weather predictions.
O They are used to create more complex representations of large systems.
O They cannot be revised after they are developed, tested, and shared with others.
They can be used to accurately make predigtions without scientific evidence.
Answer:
A. They can store and process data to make accurate weather predictions.
Explanation:
Evidentially its very accurate and useful in Science like making accurate Weather predictions.
hope i helped,
Using salt and ice to make ice cream is an example of:
Answer:
An exothermic reaction
Explanation:
What is the name of a hydrocarbon that has the formula CH3(CH2)4CCH?
6-heptyne
1-heptene
1-heptyne
6-heptene
The name of the hydrocarbon with formula CH₃(CH₂)₄CCH has been 1-heptyne. Therefore, option C is correct.
What are hydrocarbons ?The hydrocarbon has been given as the organic compound with the carbon and hydrogen chain. The molecules are bonded by the covalent bonds.
The hydrocarbon has been named established on the number of carbon in the structure and the bond. The hydrocarbon with single bond has -ane suffix, the double bond hydrocarbon has -ene suffix, and the triple bond hydrocarbon has -yne suffix.
The given hydrocarbon has seven carbon atoms,So the name has been hept. In the presence of a triple bond in the structure, the suffix -yne has been added to it.
Thus, option C is correct.
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Answer:
C. 1-heptyne
Explanation:
Cual es la longitud de onda de un foton emitido durante la transicion desde el stado n=5 al estado n=3 en atomo Hidrogeno? Dar como respuesta de la longitud de onda en nm (nanometros)
Answer:
1302 nm
Explanation:
Del formulario de Rydberg para longitud de onda
1 / λ = R (1 / nf ^ 2 - 1 / ni ^ 2)
1 / λ = 1.097 × 10 ^ 7 (1/3 ^ 2 - 1/5 ^ 2)
1 / λ = 1.097 × 10 ^ 7 (0.11 - 0.04)
1 / λ = 1.097 × 10 ^ 7 (0.07)
= 1,302 × 10 ^ -6 m
o 1302 nm
what is the temperature in kelvins of 23 Celsius? hurry pls
Answer:
23°C + 273.15 = 296.15K
I HOPE ITS RIGHT IF NOT THEN SORRYHAVE A GREAT DAY :)
Name the following compound NiBr2?
Answer:
the Name of NiBr2 is
Nickel(II) bromide
is c10H8 a conductor
Answer:
No
Explanation:
Napthalene cannot conduct electricity
A roller coaster approaches a hill,
traveling at 40 m/s. The roller
coaster has a mass of 800 kg.
When it reaches the top of the hill,
it has exactly zero velocity. What
is the height of the hill?
Answer:
the height of the hill is 30 feet tall
