The physical adaptation among the option that increases an organisms
chances of finding a suitable habitat is the long legs of wading birds
An adaptation is a characteristic that helps an animal survive in its habitat.
Any animal who successfully survives on land or water must have behavioural
and physical trait or attributes or adaptation that assist it to achieve those
goals.
This physical adaptation might be body growth, body covering during
weather change, body functioning or even body parts.
The physical adaptation among the option that increases an organisms
chances of finding a suitable habitat is the long legs of wading birds.
The long legs of wading birds assist them to find a suitable habitat. The long
legs can move through shallow water without wetting their feathers.
There long leg give them better eye sight to search for food and suitable
habitats.
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Would results of solubility of sugar dissolving in water change if a person used a different solute?
Answer:
If a solute is a solid or liquid, increasing the temperature increases its solubility. For example, more sugar can dissolve in hot water than in cold water. If a solute is a gas, increasing the temperature decreases its solubility. For example, less carbon dioxide can dissolve in warm water than in cold water.
Explanation:
Matt is conducting an experiment where he compares the properties of water and
lemonade. The first stage of the experiment is focusing only on the physical properties of?
Answer:
sitric acid from lemon
Explanation:
there
The first stage of the experiment is focusing only on the physical properties of acidic property.
What is physical property?A physical property would be any quantifiable attribute whose value describes the condition of a physical system. Changes in a system's physical attributes are able to characterize its transitions between brief states. Physical attributes are sometimes known as observables.
Physical characteristics are frequently classified as intense or extensive. An intense property is independent of the system's size or extent, as well as the amount of material in the item, whereas an extended property has an additive link. The first stage of the experiment is focusing only on the physical properties of acidic property.
Therefore, the first stage of the experiment is focusing only on the physical properties of acidic property.
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Which of the following correctly compares the radii of Na and Na+? (4 points)
Group of answer choices
Na has a smaller radius than Na+ because Na has expanded its electron cloud.
Na has a larger radius than Na+ because Na has lost its outermost energy shell.
Na has a smaller radius than Na+ because Na+ has expanded its electron cloud.
Na has a larger radius than Na+ because Na+ has lost its outermost energy shell.
Answer:
D. Na has a larger radius than Na+ because Na+ has lost its outermost energy shell.
Explanation:
The radius is larger because the diameter of Na+ is larger.
Sodium has smaller atomic radius than sodium cation because sodium has expanded electron cloud.
What is atomic radius?
Atomic radius is defined as the distance between outermost shell and the nucleus. Atomic radius varies across the periodic table where in groups it increases due to the fact that new shells are added on moving sown the group.
While in a period it decreases from left to right across the periodic table as electrons are added to the same shell which causes contraction of the atom.In case of comparison between an atom and a cation an atom has smaller atomic radius due to presence of electrons while in case of ions atomic radius is smaller as they have less number of electrons.
Atoms have expanded electron cloud while the electron cloud in case ions is small , the reason being the presence of large number of electrons in case of atoms and less number of electrons in case of ions.
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Describe ions of xenon
Answer: a common ion of xenon is fluoride-ion. xenon oxide difluoride is also a fluoride-ion acceptor, forming the only other anion containing xenon in the +4 oxidation state, the XeOF3− anion in Cs+XeOF3−. Xenon hexafluoride is both a strong fluoride-ion donor and a strong fluoride-ion acceptor.
Which of these describes an exothermic reaction? Please help, today is the last day to submit anything.
Answer:
A, Heat is released as the reaction happens.
Explanation:
Exothermic reactions release heat and/or light and is a reaction in which the overall enthalpy is negative. The one your mouse is hovering over explains Nuclear Fission. The third one explains an endothermic reaction, as heat is absorbed in the reaction. The product being cold is actually one of the key characteristics of an endothermic reaction. Two liquids being mixed that forms a solid is called a precipitate.
1. Hydrogen and nitrogen combine to form ammonia. When nitrogen and hydrogen bond, nitrogen pulls the electrons from hydrogen toward itself. Which statement about the reactants is correct?
A) Hydrogen is oxidized, and nitrogen loses electrons.
B) Hydrogen is oxidized, and nitrogen is reduced.
C) Hydrogen gains electrons, and nitrogen is reduced.
D) Hydrogen is reduced, and nitrogen is oxidized.
2. Which phrase best defines a redox reaction?
A) A reaction in which the number of oxygen atoms is reduced.
B) A reaction in which elements are transferred between different atoms.
C) A reaction is which oxygen combines with different atoms.
D) a reaction in which elements are released from the system.
3.Which statement describes the process of oxidation?
A) Oxidation results in a loss of electrons, so the oxidation number increases.
B) Oxidation results in a gain of electrons, so the oxidation number increases.
C) Oxidation results in a gain of electrons, so the oxidation number decreases.
D) Oxidation results in a loss of electrons, so the oxidation number decreases.
4. Which chemical equation represents a redox reaction?
A) TiCl4(s) + 2H2O(g) → TiO2(s) +4HCl(g)
B) CaO(s) + SiO2(s) → CaSiO3(l)
C) CaCO3(s) → CaO(s) + CO2(g)
D)Fe2O3(s) + 2Al(s) → Al2O3(s) +2Fe(l)
5. Which elements are oxidized and reduced in the reaction below?
Br2 (l) + 2NaI(aq) → I2 (s) + 2NaBr(aq)
A) Bromine (Br) is oxidized, and iodine (I) is reduced.
B) Iodine (I) is oxidized, and bromine (Br) is reduced.
C) Sodium (Na) is oxidized, and bromine (Br) is reduced.
D) Bromine (Br) is oxidized, and sodium (Na) is reduced.
Answer:
did you do it yet?
Explanation:
Answer:
1. Hydrogen is oxidized, and nitrogen is reduced.
Explanation:
in a voltaic cell, in which direction do electrons flow?
at 25°c the heat of fusion of aluminum is 10.6 kj/mol and the heat of sublimation is 326.4 kj/mol. what is the heat of vaporization of aluminum at 25°c?
The heat of vaporization of aluminium at 25 °C is 315.8 kilojoules per mole.
The sublimation is the phase change of a substance from solid to gas, the fusion is the phase change of a substance from solid to liquid and the vaporization is the phase change of a substance from liquid to gas. The heat of vaporization is the difference between the heat of sublimation and the heat of fusion, that is to say:
[tex]h_{v} = 326.4\,\frac{kJ}{mol}-10.6\,\frac{kJ}{mol}[/tex]
[tex]h_{v} = 315.8\,\frac{kJ}{mol}[/tex]
The heat of vaporization of aluminium at 25 °C is 315.8 kilojoules per mole.
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Acid-Base Reactions: HA + BOH → BA + H2O
Sulfuric Acid, H2SO4 (aq) + potassium hydroxide (aq) potassium sulfate (aq) + water (l)
Double Replacement Reactions: AB + CD → _ AD + CB
calcium chloride (aq) + ammonium hydroxide (aq) → calcium hydroxide (s) + ammonium chloride
(aq)
can someone do these two please!
Why is hydrogen gas superior to hot air for lifting a ballon?
what is the ground-state electron configuration of a neutral atom of iron?
What happens to the speed of the particles of the physics book?
Answer:
the physics book particales speed up and when you move the chemistry book
Answer:
The speed of the particles of the physics book increases when the chemistry book slides across the physics book.
Explanation:
i got it right when i did this
what are the only elements that exist in nature as uncombined
Answer:
The noble gases (Argon, Neon, Xenon, Helium, Krypton, Radon)
how long does it take for food poisoning to show up?
Answer:
with in one to two days of
In the Periodic Table below, shade all the elements for which the neutral atom has an outer electron configuration of ms1 nd10, where n and m are integers, and m= n+1.
Answer:
Cu, Ag, Au, Rg
Explanation:
The periodic table is an arrangement of elements in rows and columns. The elements with outer electron configuration of ms1 nd10 are Cu, Ag, Au, Rg.
The periodic tableThe periodic table is an arrangement of elements in rows and columns. The rows are called periods while the columns are called groups.
Now we know that the group that is referred to here has an outer electron configuration of ms1 nd10. This corresponds to the elements Cu, Ag, Au, Rg.
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The secondary structures shown in the protein are Question 12 options: A) α-helices and ß-pleated sheets. B) ß-pleated sheets. C) globular structures. D) α-helices.
Answer:
A. a- helixes and B-pleated sheats
Explanation:
A helical (a-helix) or flattened sheets (B-pleated sheet) like structures are established between opposite charge bearing groups of different amino acids are called Secondary Structures.
cyclic voltametry allows one to measure the __________ of a compound.
Answer:
*two parameters
Explanation:
:) help please I sent in a photo
Answer:
I think it's C I think that's the answer
which side of the periodic table are the metals on
Answer:
left
Explanation:
Metals are to the left of the line (excluding hydrogen, which is a nonmetal), nonmetals are to the right of the line, and metalloids are to the immediate right of the line.
(Hope this helps can I pls have brainlist (crown)☺️)
The electron configuration 1s2 2s2 2p6 3s2 3p6 4s1 3d10 describes the electron configuration of what neutral element?
Answer:
Copper
Explanation:
Copper has this electronic configuration.
You can count the total number of electrons
= 29
Cu is the 29 th in the periodic table.( atomic number = 29)
Two or more than two atoms with different physical or chemical properties can not combine together to form an element. Therefore, the given electronic configuration represents copper element.
What is element?Element generally consist of atoms or we can atoms combine to form element. Atoms of an element is always same, means all the properties of all atoms of one type of element is same.
The systematic distribution of electrons in the various atomic orbitals is called its electronic configuration. The atomic number of copper is 29. The electronic configuration of copper is 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹ 3d¹⁰. 1,2,3 represents the number of shells and s and represents the orbitals. The superscripts represents the number of electrons in each orbitals.
Therefore, the given electronic configuration represents copper element.
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what object in our solar system has the largest gravitational force
Answer: The sun
Explanation: because it has the most mass
Answer:
Hey there. That would be Jupiter.
Jupiter is the largest in our solar system which means it has the highest gravity.
2- Bromo – 2 – methyl propane is :
(a) Primary alkyl halide
(b) Secondary alkyl Halide
(c) Tertiary alkyl amine
(d) Tertiary alkyl Halide
Answer:
(B) SECONDARY ALKYL HALIDE
what are sources of error for a simple distillation lab?
Answer:
the fractions obtained are not of acceptable purity
Explanation:
Can someone answer that first this pls im lost
As the pressure of an enclosed gas decreases to half its original value, what happens to the volume of the gas if the temperature is held constant?
Answer:
At this point the volume of the gas is halved. If the pressure on the piston is again doubled, the volume of gas decreases to one-fourth its original volume. FIGURE 9.8 Boyle's Law: At constant temperature, the volume of a gas sample is inversely proportional to the pressure.
The volume of the gas doubles.
Boyles law state that the pressure of a gas is indirectly proportional to the volume at constant temperature. It is given by:
PV = constant
Let us assume that initially the pressure is P and the volume is V, hence:
[tex]P_1=P,V_1=V[/tex]
The volume decreases to half its original value, hence:
[tex]P_2=\frac{P}{2}[/tex]
Therefore:
[tex]P_1V_1=P_2V_2\\\\\\PV=\frac{P}{2}V_2\\\\V_2=2V[/tex]
Therefore the volume of the gas doubles.
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..........................................................
Explanation:
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Answer:
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Explanation:
where is your question?
Which molecule has the same empirical formula as molecular formula?
A. CH3COOH
B. C2H5OH
C. C2H4
D. C4H10
and what is the working
the answer is C ( i think )
The correct statement which has the same empirical formula as molecular formula is "CH3COOH".
What is empirical formula?A chemical compound's empirical formula is a representation of the simplest whole number ratio between its constituent parts.
What is molecular formula?The molecular formula is a depiction of the compound's actual whole number ratio between its constituent parts.
To put it another way, molecular formulas tell you how many atoms of each element are in a compound, whereas empirical formulas tell you the simplest or most reduced ratio of components.
Acetic acid has the molecular chemical formula CH3COOH. In the order C: H: O, the true whole number ratio is 2: 4: 2. In the order C: H: O, the smallest simple whole number ratio is 1: 2: 1. As a result, acetic acid's empirical formula is CH2O.
Hence, the correct option is A.
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What happens to the ionizing rate if the steps of ionizing polyprotic acid increases?
Answer:
An acid that contains more than one ionizable proton is a polyprotic acid. The protons of these acids ionize in steps. The differences in the acid ionization constants for the successive ionizations of the protons in a polyprotic acid usually vary by roughly five orders of magnitude.Answer:
What happens to the ionizing rate if the steps of ionizing polyprotic acid increases? Well they have this stepwise ionization process occurs for all polyprotic acids
Explanation:
If two trucks are moving at the same speed, but truck A has a mass of 3,000 kg, and truck B has a mass of 4,500 kg, what statement is true?
Question 3 options:
Truck B will have a greater stopping distance.
Truck A will have a greater stopping distance.
Truck B has less kinetic energy.
Truck A has greater kinetic energy.
We want to compare the kinetic energy of two moving objects, we will see that the correct option is the first one:
"Truck B will have a greater stopping distance."
Remember that the kinetic energy of an object of mass M and velocity V is given by:
[tex]E = \frac{M}{2}*V^2[/tex]
Here we know that truck A and truck B have the same velocity, but truck B has a larger mass.
Knowing that the kinetic energy increases linearly with the mass, we can conclude that truck B has the largest kinetic energy.
Because of this, we can also conclude that truck B will have a greater stopping distance, this happens because there is more kinetic energy that must be dissipated.
So the correct option is the first one:
"Truck B will have a greater stopping distance."
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what is the net cell reaction for the chromium-silver voltaic cell?
Cr(s) → Cr3+(aq) + 3e-Ag+(aq) + e- → Ag(s)
To solve such this we must know the concept of chemical reaction. Therefore, the balanced net cell reaction for the chromium-silver voltaic cell is Cr(s)+3Ag⁺(aq)→Cr³⁺(aq)+3Ag(s)
What is chemical reaction?Chemical reaction is a process in which two or more than two molecules collide in right orientation and energy to form a new chemical compound. The mass of the overall reaction should be conserved. There are so many types of chemical reaction reaction like combination reaction, double displacement reaction. Chromium-silver voltaic is a cell that is used in electrochemistry.
The balanced net cell reaction for the chromium-silver voltaic cell is
Cr(s)+3Ag⁺(aq)→Cr³⁺(aq)+3Ag(s)
Therefore, the balanced net cell reaction for the chromium-silver voltaic cell is
Cr(s)+3Ag⁺(aq)→Cr³⁺(aq)+3Ag(s)
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