Answer:
Distillation is the process by which sugar can be separated from the sugar solution.
Explanation:
Distillation, or classical distillation, is the process of separating the components or substances from a liquid mixture by using selective boiling and condensation.
Answer:
Boil the water, this would cause the water to evaporate and will leave behind the sugar crystals, which is known as distillation.
please answer this question correctly
Describe the endogenous pathways of cholesterol metabolism.
Explanation:
Endogenous pathway for lipid metabolism: VLDL is formed in the liver from triglycerides and cholesterol esters. ... In the liver, LDL is converted into bile acids and secreted into the intestines. In non hepatic tissues, LDL is used in hormone production, cell membrane synthesis, or stored.
The graph of an object's position over time is a horizontal line and y is not equal to 0. What must be true about the object's motion?(1 point)
o The acceleration is constant and non-zero.
o The velocity is constant and non-zero.
o The velocity is zero.
o The acceleration is negative.
Answer:
The velocity is zero
The interpretation of a position-time graph is required.
The correct option is The velocity is zero.
In a position time graph the y axis denotes the position and x axis denotes the time.
A horizontal line where [tex]y\neq 0[/tex].
This means that the points of the line will be for some value of x, the y value will always be constant.
The slope of a position-time graph will gives the velocity of the object.
Slope is given by
[tex]m=\dfrac{\Delta y}{\Delta x}[/tex]
Here, since the graph is a horizontal line, [tex]\Delta y=0[/tex]
[tex]\Rightarrow m=\dfrac{0}{\Delta x}=0[/tex]
The velocity of the person will be zero.
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6C6H12O6
How many total atoms of oxygen are present in the molecules represented here?
Answer:
The answer is 36 atoms
Explanation: I took the test and i got 100%
There are 36 oxygen atoms in the representation "6 C₆H₁₂O₆".
We have the expression "6 C₆H₁₂O₆", which represents 6 molecules of C₆H₁₂O₆.
The subscripts are the atomicities of the element, that is, the number of atoms of each element in 1 molecule.
There are 6 atoms of oxygen per molecule of C₆H₁₂O₆. Considering that there are 6 molecules, the total number of atoms of oxygen are:
[tex]6 Molecules \times \frac{6\ O\ atoms}{1Molecule} = 36\ O\ atoms[/tex]
There are 36 oxygen atoms in the representation "6 C₆H₁₂O₆".
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The density of a liquid is 6.0g/cm3 , when it fills a container of volume 300cubic centimeters . What is the mass of the liquid in the container?
Answer:
1800g
Explanation:
b/c d=m/v
m=dv
m=300×6=1800g
The mass of the liquid in the container is equal to 1800 g.
What is the density?The density of an object can be described as the mass per unit volume of the object. The average density of any substance equals the total mass of the substance divided by its total volume.
The mathematical formula of the density can be expressed as follows:
The density of material = Mass/Volume
Mass = density × Volume
The S.I. unit of the density of any substance is Kg/m³ and it is an intrinsic property. If the size of the substance increases, the mass increases as well but the density of the substance will stay constant.
Give, the density of the liquid, d = 6.0 g/cm³
The volume of the container, V = 300 cm³
The mass of the liquid = 6 ×300 = 1800 g
Therefore, the mass of the liquid is equal to 1800 g.
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The more massive star will always be closer to the center of gravity in a binary start. True or false?
Answer:
True
Explanation:
Hope it helped!
1. You were tasked to check if the liquid sample you have is a substance or a mixture.
Which among these tasks is the BEST way to do so?
1. Color comparison
Il. Taste comparison
III. Boiling Test
iv.
Melting Test
Answer:
boiling test or melting test
Explanation:
A superficial dermal erythema that is classified as an exanthem is more commonly known as a(n) __________
Answer:
ITS CALLED RASH
Explanation:
How many kilojoules are equivalent to 10 Joules?
A) 0.001 kJ
B) 0.01 kJ
C) 1000 kJ
D) 10,000 kJ
Answer:
It should be B: 0.01 kJ
Answer:
Hey...The answer is B) 0.01 kJ
Tổng số hạt mang điện trong ion AB4 3- là 50. Số hạt mang điện trong nguyên tử A nhiều hơn số hạt mang điện trong hạt nhân nguyên tử B là 22.Cấu hình e lớp ngoài cùng của A là gì?
Arrange the following elements in order of increasing atomic radius.
K, Li, O, Se
Answer:
Olkgvvyvvbhhhjuj link here
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Why can liquid metal be poured into a block-shaped mold?
Describe what happens to the shape and volume of the liquid
metal.
Answer:
yes
Explanation:
because
Why is newton's first law of motion considered a law and not a theory?It is an unsupported idea.It is based on multiple observations.It has never been tested.It was validated by a singular experiment.
Answer: B. It is based on multiple observations.
Explanation:
Newton's first law of motion is considered a law and not a theory because it is based on multiple observations.
What is an observation?
Observations are defined as a set of statements or facts which are recorded while conducting an experiment.Observations are made through sensing changes in the variables of the experiment.
It is specifically defined as an act of knowing or recording the changes in the variables of the experiment.Recording observations holds importance as recording observations avoid the experiment to be repeated over and over again.
It is important to note down observations so that the testing of hypothesis is made easier.There are four types of observations .Observations need to be descriptive and must be written in complete sentences and should include all the numerical data of the experiment.
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Convert SI units .68mm. =km
Convert 68 Millimeters to Kilometers (mm to km) with our conversion calculator and conversion tables. To convert 68 mm to km use direct conversion formula below.
68 mm = 6.8E-5 km.
You also can convert 68 Millimeters to other Length (popular) units.
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convert 230.000 000 000 mi into scientific notation
Answer:2.3×10^11
Explanation:since scientific notation is as a×10^k with 0<a<=9
what non metal is used in the process of vulcanization of rubber
Answer:
Sulphur
Explanation:
Sulphur evolves the elastics of rubber, therein by heating it to make it...Hot.
10/4/2021
the total number of protons and neutrons in the nucleus
of an atom
a) atomic mass unit
b) mass number
c) atomic number
d) atomic mass
Answer:
atomic number
Explanation:
Give reason:
Why Phosphorous is stored under water.
Answer:
Phosphorus ( white) us highly reactive and ignites at about 30°C when exposed to moist air
jeffrey is on his skateboard and starts skating down a ramp. ten seconds later he is traveling at 20.0m/s calculate the acceleration
Find the mass of iron that has volume of 111 ml.
Answer:8
842.46 or to the next whole number
Explanation:
just multiply the mass of iron with the volume mL you have.
The mass of the iron whose volume and density are 111 ml and 7.847 g/cm³ respectively is 871.01 grams.
Which term is equivalent to product of density and volume?
The product of density and volume of a substance represents its mass. Mathematically -
M = V x ρ
where -
ρ - density
M - mass
V - volume
Given is iron in liquid form. It occupies a total volume of 111 ml.
The mass of liquid iron can be calculated using -
M = V x ρ
Volume of iron [V] = 111 ml = 111 cm³.
Density of iron [ρ] = 7.847 g/cm³
Therefore, we can write -
M = 7.847 x 111
M = 871.01 grams
Therefore, the mass of the iron whose volume and density are 111 ml and 7.847 g/cm³ respectively is 871.01 grams.
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How many grams of Fe can be produced when 6.10 g of Fe2O3 reacts?
As per the balanced reaction, two moles or 319.4 g of Fe₂O₃ gives 4 moles or 223.4 g of Fe. Thus 6.10 g gives 4.22 g of Fe.
What is ferric oxide?
Ferric oxide is an ionic compound formed from iron and oxygen in which iron is in +3 oxidation state. It is also called iron oxide which decomposes to form molecular oxygen and iron.
The balanced equation giving Fe and oxygen from ferric oxide is written below:
[tex]\rm 2Fe_{2}O_{3} \rightarrow 4Fe + 3O_{2}[/tex].
The molar mass of ferric oxide is 159.7 g/mol. Thus two moles weighs 159.7 × 2 = 319.4 g. Atomic mass of Fe is 55.85 hence, 4 moles is 223.4 g.
As per the balanced reaction, 319.4 g of ferric oxide gives 223.4 g of iron. Thus mass of iron , Fe produced from 6.10 g of ferric oxide is calculated as follows:
mass of Fe = (223.4× 6.10 ) /319.4
= 4.226 g
Hence, 4.22 g of Fe will be produced from 6.10 g of Fe₂O₃.
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When a substance is soluble it:
A. can dissolve any amount into the liquid.
B. can dissolve only a specific amount into the liquid, determined by its solubility.
C. can dissolve only a specific amount into the liquid, determined by the liquid's solvent point.
D. can dissolve any amount into the liquid, as long as the liquid is being heated.
When a substance is soluble it can dissolve only a specific amount into the liquid, determined by its solubility. Hence, option B is correct.
What is the solute?A solute is something being dissolved, a solvent is a thing dissolving the item, and the solution is the mixture of the two items.
Solubility is a term used to describe how readily a substance can be dissolved in a solvent to form a solution. Thus, a substance is said to be soluble if it dissolves completely in a solvent and insoluble if it doesn't dissolve or only dissolves partially.
Hence, when a substance is soluble it can dissolve only a specific amount into the liquid, determined by its solubility.
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does the tempurture of the vinegar affect the volcano flow
Someone pls help me I will make you brain
Greenhouse gases such as N2O, CO2 and CH4 absorb heat. However, CH4 absorbs more heat than CO2 hence its emission must be controlled.
Green house gases are gases that when released into the atmosphere, can absorb infrared radiation and prevent it from escaping into outer space. This causes the temperature of the earth to increase steadily. Lately, the concentration of the greenhouse gases in the atmosphere has increased owing to anthropogenic activities such as burning of fossil fuels.
Green house gases include; N2O, CO2, CH4 etc. However, CH4 is capable of absorbing even greater heat than CO2. This makes it even more imperative to control the emission of methane gas.
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According to the kinetic molecular theory, the pressure of a gas increases as
the number of moles of gas molecules increases because —
Answer:
The volume of the gas therefore becomes large as the temperature of the gas increases, the frequency of collisions with the walls of the container must increase. This, in turn, leads to an increase in the pressure of the gas.
Explanation:
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Pls helpppp me if you cannn
Answer:
Solution A : calcium hydroxide
Solid B : calcium oxide
Gas C : Hydrogen gas
Explanation:
i) When metals react with water they form hydroxides thus calcium hydroxide
ii) When metals eact with oxygen they form oxides.
iii) Wehn metals react with hydrochloric acid they form a salt and a gas hydrogen.
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If an atom has 4 protons and 2 electrons its charge will be:
Answer:
It's charge will be positive
Explanation:
4>2
What does this picture represent?
A.
Volumetric flask
B.
Erlenmeyer flask
C
Graduated cylinder
D.
Beaker
Answer:
The answer is D.) Beaker. Hope this helps! :)
5.
The weight of an object is the force of attraction between the object
and the Earth
TRUE
FALSE
Answer: True
Explanation:
If you’ve seen a baseball game, you’ve probably also experienced the sight of a ball going up and up, until you begin to wonder when it’s going to come down! Yet every time, the ball does fall back to earth. Why? Gravity is an attractive force that exerts a pull between two objects, such as a baseball and the earth.