All these terms describe a mind map detailed graphic , colorful , unordered and creative
What is a mind map ?A mind map is a diagram used to visually organize information into a hierarchyIt shows relationships among pieces of the whole.It is often created around a single concept, drawn as an image in the center of a blank page, to which associated representations of ideas such as images, words and parts of words are added. Major ideas are connected directly to the central concept, and other ideas branch out from those major ideas.The terms that describes a mind map are detailed , as lots of detailing is done using connection symbols
Graphic , they are graphical representation of an information
Colourful , They are colourful as to make it more visually interesting .
Unordered , They information might not be in sequence and so can be called unordered also
Creative , Yes it is creative as it brings out the artist inside you and you think more ideas to make it look more beautiful and understandable .
So All these terms describe a mind map detailed graphic , colorful , unordered and creative.
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What unit of mass measurement would I use to measure a vitamin pill?
Answer: Milligrams
Explanation:
Vitamins are measured in Milligrams because if used grams, there would be a higher dose.
Why is cellular reparation important for cells?
a solution has a volume of 500 ml and contains 0.570 mol of nacl what is the molarity
Answer: 1.14 M
Explanation:
500 mL is equal to 0.5 L.
So, the molarity is (0.570)/(0.5) = 1.14 M
Which of the following is the equation for wave speed?
Answer:
b
Explanation:
b is the answer to your question
What is the pressure of 0.33 moles of nitrogen gas, if its volume is 15.0 L at –25.0oC?
Using the ideal gas law PV =nRTPV=nRT , we find that the pressure will be P =\frac{nRT}{V}P=
V
nRT
. Then, we'll substitute and find the pressure, using T = -25 °C = 248.15 K and R = 0.0821 \frac{atm\cdot L}{mol \cdot K}
mol⋅K
atm⋅L
:
P =\frac{nRT}{V} = \frac{(0.33\,\cancel{mol})(0.0821\frac{atm\cdot \cancel{L}}{\cancel{mol \cdot K}})(248.15\,\cancel{K})}{15.0\,\cancel{L}} = 0.4482\,atmP=
V
nRT
=
15.0
L
(0.33
mol
)(0.0821
mol⋅K
atm⋅
L
)(248.15
K
)
=0.4482atm
In conclusion, the pressure of this gas is P=0.4482 atm.
Reference:
Chang, R. (2010). Chemistry. McGraw-Hill, New York.
is it true that a front is the boundry where two air masses meet
That's correct! When two different air masses meet, the boundary zone between them is called a front. The process of formation of the fronts is known as frontogenesis.
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Hope this helps! :)
An aqueous solution contains the following ions: cl−, ag , pb2 , no−3, and so2−4. More than one precipitate will form. Identify the precipitates
An aqueous solution contains the following ions Cl⁻, Ag⁺, Pb²⁺, NO₃⁻ & SO₄²⁻ and more than one precipitate will form are AgCl, PbCl₂, PbSO₄ & Ag₂SO₄.
What is precipitate?Precipitate is the insoluble compound which is present at the bottom of any chemical reaction in the solid state.
If in an aqueous solution Cl⁻, Ag⁺, Pb²⁺, NO₃⁻ & SO₄²⁻ ions are present then:
Compounds AgCl, PbCl₂, PbSO₄ & Ag₂SO₄ are not soluble in water as it is present in the form of precipitate.Pb(NO₃)₂ is fully soluble in water and will not make precipitate.Hence precipitates are AgCl, PbCl₂, PbSO₄ & Ag₂SO₄.
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Voltage-gated sodium channels are sensitive to changes in the extracellular concentration of
Voltage-gated sodium channels are the ion channels that conduct sodium ions. They are sensitive to the extracellular concentration of calcium ions.
What are Voltage-gated sodium channels?Voltage-gated sodium channels are the signaling ion channels that are responsible for increasing the action potential of the nerve cells. VGSC is the most important resting and action potential of the cell.
These channels are sensitive to the high concentration of calcium ions as these ions cause the channels to open up on the membrane surfaces of the cell. This causes a change in the concentration of the gradient across the membrane.
Therefore, VGSC is sensitive to calcium ions.
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Mechanical waves require a medium (matter) in order to travel, an example is _____________. Electromagnetic waves do not need a medium to travel and an example is ____________ A) light; sound B) sound; light C) air; space D) space; solid
Answer:
The answer is B. sound; light
Explanation:
Water and sound waves are mechanical and require a medium in order to travel. Light and radio waves are not mechanical but rather electromagnetic and do not need a medium.How many grams of oxygen are needed to react with 25. 0 g of mg
The amount in grams of oxygen are needed to react with 25g of Mg is 16.48 grams.
How do we convert mass into moles?Mass into moles or vice versa of any substance will be calculated by using the below formula as:
n = W/M, where
W = given mass
M = molar mass
Moles of Magnesium = 25g / 24.3g/mol = 1.028 = 1.03 mol
Chemical reaction will be:
2Mg + O₂ → 2MgO
From the stoichiometry of the reaction it is clear that 1 mole of oxygen is reacts with 2 moles of magnesium, so 1.03 moles of magnesium will reacts with (1/2)(1.03) = 0.515 moles of oxygen.
Mass of oxygen = (0.515mol)(32g/mol) = 16.48g
Hence required mass of oxygen is 16.48 grams.
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Find the minimum energy needed to eject electrons from a metal with a threshold frequency of 5. 65×1014 s−1
3.745 x [tex]10^{-19}J[/tex] is the minimum energy needed to eject electrons from a metal with a threshold frequency of 5.65 x [tex]10^{14}s^{-1}[/tex]
What is threshold frequency?The minimum frequency needed to cause electron ejection is referred to as the threshold frequency.
The energy carried by the incident light is E=hf
Where h is the Planck constant and f is the frequency of the light. The threshold frequency is the frequency that corresponds to the minimum energy needed to eject the electrons from the metal, so if we substitute the threshold frequency in the formula, we get the minimum energy the light must have to eject the electrons:
E=hf
h=6.63 x [tex]10^{-34}Js[/tex]
f=5.65 x [tex]10^{14}s^{-1}[/tex]
E=6.63 x [tex]10^{-34}Js[/tex] x 5.65 x [tex]10^{14}s^{-1}[/tex]
E= 3.745 x [tex]10^{-19}J[/tex]
Thus, 3.745 x [tex]10^{-19}J[/tex] is the minimum energy needed to eject electrons from a metal with a threshold frequency of 5.65 x [tex]10^{14}s^{-1}[/tex]
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A sample of helium gas is
sealed in a container with a lid
that can be moved up and down.
Select all of the following that will result in an increase in pressure inside the container.
A. Decreasing volume
B. Increasing volume
C. Decreasing temperature
D. Increasing temperature
E. Adding one more mole of helium gas
F. Removing one mole of helium gas
P=nRT/V
P ≈ 1/V = decreasing volume
P ≈ T = increasing temperature
P ≈ n = adding one more mole of helium
Chemical energy is converted directly into electrical energy in.
[tex]\huge{\green}\fcolorbox{blue}{cyan}{\bf{\underline{\red{\color{red}Answer}}}} [/tex]
galvanic cell.which type of bond does this molecule show?
A. hydrogen bond
B. ionic
C. Double covalent
D. magnetic bond
Consider the reaction hc2h3o2(aq) h2o(l) → h3o (aq) c2h3o2–(aq). Which species is the conjugate acid?a. C2h3o2-(aq)b. H2o(l)c. H3o (aq)d. Hc2h3o2(aq)e. Two of these
The species that is the conjugate acid is HC₂H₃O₂(aq). The correct option is d.
What are conjugate acid?Conjugates acids are those acids which are made when an acid donates a proton to a base according to Bronsted Lowry theory.
In other words, we can say that it is an acid with hydrogen ion. An example is water (base) reacting with an acid to form the hydronium ion (conjugate acid).
Thus, the correct option is d, HC₂H₃O₂(aq).
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8Li2S --> 16Li +S8 how many moles of Li would be produced when 5 moles of Li2S react?
Answer:
10moles
Explanation:
mole ratio = 8:16
therefore
1 mole Li2S forms 2 moles Li
when 5 moles Li2S reacts
5 moles Li2S = 5 x 2 moles Li
= 10 moles Li
A solution is prepared by dissolving 7. 31 g of na2so4 in enough water to make 225 ml of solution. Calclate the solutions molarity
The molarity of solution which is prepared by dissolving 7. 31 g of Na₂SO₄ in enough water to make 225 ml of solution is 0.22M
How do we calculate molarity?Molarity of the solution will be calculated by using the below equation as:
M = n/V, where
V = volume of solution = 225mL = 0.225Ln is the moles of solute which can be calculated as:n = W/M, where
W = given mass of Na₂SO₄ = 7.31gM = molar mass of Na₂SO₄ = 142g/moln = 7.31/142 = 0.05 mol
On puttig values, we get
M = 0.05 / 0.225 = 0.22M
Hence required molarity is 0.22M.
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When chlorine gas is bubbled into an aqueous solution of potassium iodide, the colourless solution turns brown.
i) Write an ionic equation for the reaction that takes place
ii) What is the name given to this type of reaction?
iii) Why does the solution turn brown?
Answer:
When chlorine (Cl 2 ) gas is passed through an aqueous solution of potassium iodide (KI), the products formed are solid iodine (I2) and potassium chloride (KCl). This is a displacement reaction in which the less reactive iodine in potassium iodide is displaced by the more reactive chlorine. The equation can be written as:
2KI(aq)+Cl2(g)→2KCl(aq)+I2 (s)
Alpha Centauri IS
star that is about the same size as the IS Sun. John is using tennis balls to model how the Sun and Alpha
Centauri appear from Earth. He places one tennis ball one meter to his right to model the Sun. He places another tennis ball ten
meters to his left to model Alpha Centauri.
What does John notice about the tennis ball that is ten meters to his left?
es
It looks wider than the other tennis ball.
BI
It looks smaller than the other tennis ball
It looks different in color than the other tennis ball
It looks different in shape than the other tennis ball
Answer:
it looks smaller for sure ^_^
if .296 j of heat causes a .661 degree c temperature change, what mass of water is present?
Answer:
m=0.000107 kg
Explanation:
H=m*cp*change in temperature
0.296=m*4182*0.661
m=0.000107 kg
Which of the following statements correctly explains how latitude affects temperature?
1.Places that are closer to the equator receive more direct sunlight and have warmer temperatures.
2.The equator is an imaginary line drawn around the middle of the earth but has nothing to do with temperature.
3.laces that are far from the equator have warmer temperatures.
Answer:
It's 1, places that are closer to the equator receive more direct sunlight and have
Explanation:
A storage tank contains n, o, and co2. The partial pressure of n and o gas are 600 torr and 150 torr. The total pressure is 825 torr. What is the partial pressure and mole fraction of co2?
The partial pressure of carbon dioxide is 75 torr.
What is Dalton's theory?Dalton's theory of gas states that total pressure of the mixture of gas sample is equal to the sum of the partial pressure of all the gases present in that sample.
Given that,
Total pressure of mixture = 825 torrPartial pressure of Nitrogen = 600 torrPartial pressure of oxygen = 150 torrPartial pressure of carbon dioxide = ?On putting values, we get
Partial pressure of carbon dioxide = 825 - (600 + 150) = 75 torr
Hence Partial pressure of carbon dioxide is 75 torr.
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The buoyant force on an object in water is equal to the object's density. True or false
NO LINKS
Answer:
False
Bouyant force = volume of displaced fluid * density of fluid
What is nourishing for a seed of a plant?
Which statement is true for a solution when its concentration of hydroxide ions becomes equal to the concentration of hydronium ions?
It becomes more acidic.
It becomes more alkaline.
Its pH becomes equal to 0.
Its pH becomes equal to 7.
When for a solution concentration of hydroxide ions becomes equal to the concentration of hydronium ions, its pH becomes equal to 7.
What is pH?pH of any solution is used to define the acidity, basicity or neutrality of the solution.
pH ranges from 0 to 6.9 shows acidity.pH 0 shows the neutrality.pH ranges from 7.1 to 14 shows the basicity.When the concentration of hydronium ion is equal to the concentration of the hydroxide ion then the resultant solution will be neutral, as they have a pH equals to 0.
Hence, pH of the solution becomes equal to 7.
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How many molecules are contained in 3 moles of water molecules , h2o?
Answer:
Explanation:
By definition 3 moles of water molecules. Or about 3 * 6.022140E23 water molecules = 1.806642E24 water molecules.
hope this is right..
Answer: Simply multiply Avogadro's number(6.02x10^23) by 3 and that's your answer. Use a scientific calculator
Explanation:
Which of the following organisms have chlorophyll in their cells?
algae
green plants
some bacteria
all of the above
Answer:
all of the above
Explanation:
chlorophyll in found in virtually all photosynthetic organisms
Select the correct structure that
corresponds to the name.
3,3-dimethylcyclopentene
A. CH3,
B
CH3
C. both
CH3
CH3
Please help me asap!!
Answer:
B
Explanation:
The naming of the compound is given by IUPACNumbering of the carbon atoms start from the double bondThe methyl groups lie at the 3rd positionHence, its name will be :3,3 - dimethylcyclopentaneOption B shows the correct structurePart a
identify the problem that a car bumper is meant to address.
A car bumper is primarily meant to reduce the impact of damages to the front and rear ends of vehicles in case of collision.
Functions of car bumpersCars are equipped with bumpers both at the rear and front ends primarily for protective purposes.
The front end bumper reduces the impact of front collisions on the cooling system and the bonnet while the rear end bumper functions to protect the exhaust, the trunk, and several other parts in case of rear-end collisions.
Aside from protective functions, bumpers also serve to add beauty to cars.
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Carbon-14 has a half-life of 5,730 years. How long will it take for 112. 5 g of a 120. 0-g sample to decay radioactively? 5,730 years 11,460 years 17,190 years 22,920 years.
The time taken by Carbon-14 to decay radioactively from 120g to 112.5g is 22,920 years.
How do we calculate the total time of decay?Time required for the whole radioactive decay of any substance will be calculated by using the below link:
T = (n)(t), where
t = half life time = 5730 yearsn = number of half life required for the decayInitial mass of Carbon-14 = 120g
Final mass of Carbon-14 = 112.5g
Left mass = 120 - 112 = 7.5g
Number of required half life for this will be:
1: 120 → 602: 60 → 303: 30 → 154: 15 → 7.54 half lives are required, now on putting values we get
T = (4)(5730) = 22,920 years
Hence required time for the decay is 22,920 years.
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