Answer:
Bowl of clear chicken broth
Explanation:
A bowl of clear chicken broth is a heterogenous mixture.
A heterogenous mixture is one in which the constituents exists in at least two different phases. A chicken broth is a heterogenous mixture which exists in the liquid - solid state. The broth is made up of simmered meat, vegetables and other recipes together.Such mixtures can be:
Gas - liquids mixturesLiquid - solid mixturesGas - solid mixturesA broth is an extract from cooking chicken. Some vegetables and extract are mixed together in a nutritious blend.
Name three ways in which unicellular organisms can move. Describe one of them.
Answer:
Unicellular organisms achieve locomotion using cilia and flagella. By creating currents in the surrounding environment, cilia and flagella can move the cell in one direction or another.
Explanation:
Unicellular organisms are the smallest and simplest of all living beings, they are composed of a single cell, and they do not form any type of tissue.
They move through appendages of the membrane that allow movement which are:
Flagella, these are long and thin appendages that serve as locomotion organelles and are responsible for the majority of mobile bacteria being able to move in liquid media. Cilia are mobile extensions of the plasma membrane that cover the surface of its membrane and have the function of facilitating metabolism by producing movements and currents in the liquid of the cellular environment.Pseudopods are extensions of the protoplasm area used in a similar way to cilia and flagella.Amoebas, unicellular protists, are characterized by their irregular shape and their movements based on pseudopods, that is, tentacular extensions of their cytoplasm that allow them to engulf (engulf) food and incorporate them through their cell membrane.
Therefore, we can conclude that the 3 ways unicellular organisms can move are through fragelli, cilia, and pseudopods.
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What type of chemical reaction occurs when more energy Is released during the chemical reaction than is needed to start the chemical reaction
Answer:
Explanation:
Exothermic Reactions
Exothermic Reactions
This means that the energy required to break the bonds in the reactants is less than the energy released when new bonds form in the products. Excess energy from the reaction is released as heat and light. Figure: Chemical reaction: A Hermite reaction, which produces molten iron.
Which of the following forms of invisible light, would have the highest wavelength?
Group of answer choices
you snap chatting your friends
a microwave warming up some mac-n-cheese
someone getting dental x-rays taken
a set of U/V (ultraviolet) lights sanitizing the lab safety glasses
Answer:
you snap chatting your friends
Explanation:
The waves that will have the highest wavelength from the given choices is by snap chatting with your friends.
Snap chatting involves the use of radio waves. Radio-waves are a part of electromagnetic waves and they have very long wavelength. It is used in radio communications as in mobile phones. x-rays have the shortest wavelength of all the waves.The atmosphere of Venus consists mostly of _____.
A.) sulfur
B.) carbon dioxide
C.) oxygen
D.) hydrogen
The atmosphere of Venus consists maximum of carbon dioxide. The correct option is B.
Why it is not possible to have life on Venus?With extreme surface temperatures approaching 735 K and an atmospheric pressure 90 times that of Earth, Venus's conditions make water-based life as we know it on the planet's surface unlikely.
The atmosphere is also full of carbon dioxide which makes it impossible to sustain life.
Thus, the correct option is B.
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Find the % composition of hydrogen in hydrogen sulphide
Answer:
5.88%
Explanation:
percent composition depends on relative atomic mass.
the percentage of component present in a compound is
(relative formula mass of component
÷
relative formula mass of compound)
⋅
100
%
the relative atomic mass of
H
(hydrogen) is
1
the relative formula mass of
H2 is 2
the relative atomic mass of S (sulphur) is 32.
2+32=34 the compound H2S is known as hydrogen sulphide.
relative formula mass of
H2÷relative formula mass of (H2S)⋅100%=2/34⋅100%=5.88% (2d.p.)
Please Answer fast
Which best explains why a black T-shirt gets warmer in the Sun than a white T-shirt?
Darker colors reflect more energy from colliding particles than lighter colors do.
Darker colors absorb more energy from colliding particles than lighter colors do.
Darker colors reflect more energy from electromagnetic waves than lighter colors do.
Darker colors absorb more energy from electromagnetic waves than lighter colors do.
Answer:
D: Darker colors absorb more energy from electromagnetic waves than lighter colors do.
Explanation:
on edge2021! hope this helps!!~
Darker colors absorb more energy from electromagnetic waves than lighter colors do. Therefore, option B is correct.
What is reflection of light ?Reflection of light refers to the bouncing back of light rays when they hit a surface, such as a mirror or any other smooth, shiny object. When light strikes a surface, some of it is absorbed by the surface, some of it is transmitted through the surface, and some of it is reflected.
The angle at which the light strikes the surface, known as the angle of incidence, determines the angle at which the light is reflected, known as the angle of reflection.
When light hits an object, some of the energy is absorbed by the object and some of it is reflected. Darker colors absorb more energy from the light, while lighter colors reflect more of the energy away.
Therefore, a black T-shirt absorbs more energy from the Sun's rays, making it warmer than a white T-shirt which reflects more of the energy away.
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Please help Question is due in a few minutes
Answer:
D
Explanation:
becuase is is a good conductor electronically and it is ductile meaning you can make it into wire and that is helpful for circuts.
Which bond is the longest?
guyss send help will giv da crown to whos right u-u
Which of the following is(are) the reason(s) metals are good conductors of heat and electricity? Select all that apply
Answer: The question is incomplete and the options are not given but here are the options.
a. Metals can absorb more heat flow than other elements before damage occurs.
b. Particles of metallic structure begin to vibrate faster as they absorb energy.
c. Metals have a larger number of freely moving electrons.
d.Metals have high densities.
e. Metals have high melting points.
The correct options are c,d and e.
c. Metals have a larger number of freely moving electrons.
d.Metals have high densities.
e. Metals have high melting points.
The correct options are c,d and e.
Explanation:
Metals are real good conductor of heat because of the following;
Metals have larger number of freely moving electrons and these electrons move in random motion that is they are not stable, they from from place to place. Current generated in a direction is destroyed by current produced in another direction also.
Metals have high densities which is because their crystal lattice are packed very tight in the metallic structure making the metal bond to be stronger and conduct heat.
Metals have high melting point because that have a very strong metallic bond and this bond require a lot of energy to break, therefore making it to conduct heat and electricity.
4.85 x 10^-4 tons to cups
1.10 x 10^5 mg to cups
4.85 x 10^-4 tons to cups
please answer i have a project lol
Answer:
2.08753919851 cups
0.464942810185139 cups
2.08753919851 cups
Explanation:
i looked it up
What is molarity? .
Na+H2O=NaOH+H2
Balancing
Answer:
Hey mate, here is your answer. Hope it helps you.
Explanation:
The balanced equation is 2Na+2H2O———-> 2NaOH +H2.
How many moles are in 1.52908x1024 molecules of Potassium phosphate (K3(PO4))?
Answer:??? moles K3(PO4) (no rounding)
Answer:
2.54 molesExplanation:
To find the number of moles in a substance given it's number of entities we use the formula
[tex]n = \frac{N}{L} \\[/tex]
where n is the number of moles
N is the number of entities
L is the Avogadro's constant which is
6.02 × 10²³ entities
From the question we have
[tex]n = \frac{1.52908 \times {10}^{24} }{6.02 \times {10}^{23} } \\ [/tex]
We have the final answer as
2.54 molesHope this helps you
Whats the noble gas configuration for platinum?
Answer:
[Xe] 4f14 5d9 6s1
Explanation:
4. The compound iron sulfide can be formed by
filtering b. evaporating c. heating
d. mixing
a.
Answer:
heating :))))))))))))))
Explanation:
the same as the last answer i posted... sorry it just came up in my recommended questions to answer
so according to bronsted and lowry, the acid is any species that can donate a proton.
How can a proton switch to another atom?
Is that even possible?
Answer:
A Brønsted-Lowry acid is any species that can donate a proton (H+) to another molecule. A Brønsted-Lowry base is any species that can accept a proton from another molecule. In short, a Brønsted-Lowry acid is a proton donor (PD), while a Brønsted-Lowry base is a proton acceptor (PA).
Explanation:
Explain the relationship between the number of daylight hours and season. (full sentence)
Answer:The tilt of the Earth's axis also defines the length of daylight. Daylight hours are shortest in each hemisphere's winter. Between summer and winter solstice, the number of daylight hours decreases, and the rate of decrease is larger the higher the latitude. The fewer sunlight hours the colder the nights
Explanation: That's a answer for you.
The illustration above depicts a spring being compressed and then released. Changes in both potential and kinetic energy occur
during this process. Which statement most accurately describes the changes in potential or kinetic energy?
A)
the kinetic energy is continually increasing throughout the entire process
B)
the potential energy is continually increasing throughout the entire
process
C)
the potential energy is increasing through steps A & B, then decreases at C.
D)
the potential energy is decreasing through steps A, B, & C and then
increases
Answer:
C)
the potential energy is increasing through steps A & B, then decreases at C.
Explanation:
How does the average reaction rate differ from an instantaneous reaction rate?
a) The average reaction rate is how quickly the reaction proceeds at a specific time. An instantaneous reaction rate is how quickly the reaction proceeds over time.
b) The average reaction rate is how quickly the reaction proceeds over time considering the reactants. An instantaneous reaction rate is how quickly the reaction proceeds at a specific time considering the products.
c) The average reaction rate is how quickly the reaction proceeds over time. An instantaneous reaction rate is how quickly the reaction proceeds at a specific time.
d) The average reaction rate is how quickly the reaction proceeds over time. An instantaneous reaction rate is how quickly the reaction proceeds compared to another reaction.
Answer:1. The instantaneous rate is the rate of a reaction at any particular point in time, a period of time that is so short that the concentrations of reactants and products change by a negligible amount. The initial rate is the instantaneous rate of reaction as it starts (as product just begins to form).
Explanation:
average rate
rate of a chemical reaction computed as the ratio of a measured change in amount or concentration of substance to the time interval over which the change occurred
initial rate
instantaneous rate of a chemical reaction at t = 0 s (immediately after the reaction has begun)
instantaneous rate
rate of a chemical reaction at any instant in time, determined by the slope of the line tangential to a graph of concentration as a function of time
rate of reaction
measure of the speed at which a chemical reaction takes place
rate expression
mathematical representation relating reaction rate to changes in amount, concentration, or pressure of reactant or product species per unit time
Solutions
Answers to Chemistry End of Chapter Exercises
1. The instantaneous rate is the rate of a reaction at any particular point in time, a period of time that is so short that the concentrations of reactants and products change by a negligible amount. The initial rate is the instantaneous rate of reaction as it starts (as product just begins to form). Average rate is the average of the instantaneous rates over a time period.
3.
rate
=
+
1
2
Δ
[
CIF
3
]
Δ
t
=
−
Δ
[
Cl
2
]
Δ
t
=
−
1
3
Δ
[
F
2
]
Δ
t
5. (a) average rate, 0 − 10 s = 0.0375 mol L−1 s−1; average rate, 12 − 18 s = 0.0225 mol L−1 s−1; (b) instantaneous rate, 15 s = 0.0500 mol L−1 s−1; (c) average rate for B formation = 0.0188 mol L−1 s−1; instantaneous rate for B formation = 0.0250 mol L−1 s−1
Previous: Introduction
Next: 12.2 Factors Affecting Reaction Rates
Answer:
a avarge rat is a select period of time win itstantanous is at that time
Explanation:
If 33.4 g of CO2 is produced in the reaction of C2H2 with O2 to form CO2 and H2O how many grams of H2O are Produced in this reaction
Answer:
Explanation:
2C₂H₂ + 5O₂ = 4CO₂ + 2H₂O .
CO₂ formed in moles = 33.4 / 44 = .76 moles
4 moles of CO₂ is formed by 2 moles of C₂H₂
.76 moles of CO₂ is formed by .38 moles of C₂H₂
.38 moles of C₂H₂ were present initially
2 moles of C₂H₂ produces 2 moles of water
.38 moles of C₂H₂ produces .38 moles of water
water produced = .38 moles
= .38 x 18 = 6.84 grams of water .
Look at the image shown
What does this image represent?
a) Linear molecule with one domain
b) Linear molecule with two domains
c) Tetrahedral molecule with four domains
d) Trigonal planar molecule with three domains
Answer:
b) Linear molecule with two domains
Explanation:
The image represents a linear molecule with two domains.
The compound shown here is carbon dioxide in which a central carbon atom is surrounded by two oxygen atoms.
This bond geometry is of the type AX₂ In this linear molecule the bond angle is a perfect 180° The lone pairs are perfectly balanced out and will not cause distortion of the central carbon.The image has been consisted of the linear molecule with two domains. Thus, option B is correct.
The given image has been the structure of the carbon dioxide. There has been the two oxygen atoms that has been linked with the central carbon atom.
The molecules have been consisted of equal number of valence electrons, thus the structure has been causing lesser extent of the distortion. The symmetrical structure has been consisted with the linear symmetry.
Thus, the image has been consisted of the linear molecule with two domains. Thus, option B is correct.
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Which could be a reason viruses are considered nonliving things?
which could be a reason virus are considered non living things
the block of aluminium shown above has a height of 4.0mm a width of 6.0mm and a depth of 1.8mm , if its mass is 116.64mg , what is its density in g/cm3?
Answer:
[tex]4m^2[/tex]
Explanation:
Multiply [tex]m[/tex] by [tex]m[/tex], by adding the exponents
Which is a dominant trait that Mendel observed in pea plants?
bumpy pods
short height
yellow seeds
white flowers
Answer:
Yellow seeds
Explanation:
Dominant traits are those that are inherited unchanged in a hybridization like the yellow seeds.
Answer:
yellow seeds
Explanation:
Potassium has a 1+ charge, and oxygen has a 2− charge. A Lewis dot diagram should contain two potassium atoms and one oxygen atom to show how these atoms form an ionic bond. (1 point) True False
Answer:
True
Explanation:
Potassium is a group one element with a charge of +1 and oxygen with a charge of -2,
A lewis dot diagram should contain two potassium atoms and one oxygen atoms to show that they form an ionic bond.
To form an ionic bond, an atom will either lose or gain electrons. The oxygen atom has a charge of -2, Potassium has charge of +1 To make the bond occur, two atoms of potassium that are positively charge will bond with the oxygen with a charge of -2.Answer:
True
Explanation:
Took the quiz got it right
What period and group (number and name) is Selenium in?
Answer:
Group 16 Melting point 220.8°C, 429.4°F, 494 K
Period 4 Boiling point 685°C, 1265°F, 958 K
Explanation:
10 Lisa lives one block east and one block south of the elementary school. What is the reference point given in this position description? * (7 Points) Lisa's house one block east one block south the elementary school
Answer: the elementary school
Explanation:
Identify whether this statement has kinetic or potential energy, both, or neither
“The energy stored in an object due to its position (or height).”
Answer:
Neither
Explanation:
Kinetic, or potential energy, is the average amount of molecules in a substance
Which of the following is a compound?
A.
H
B.
Sn
C.
CO
D.
Mg
