Answer:
I believe it is subclaim 1. If you think it through enough, it starts to make sense, that's how I got the answer. Have a nice day, God bless.
If a cat climbs a tree , what chemical process is taking place to provide the power for this movement?
Answer:
Respiration
Explanation:
Mitochondria convert glucose and oxygen to carbon dioxide, water. This reaction (respiration) releases energy whigh can be used to climb a tree and much more.
Fill in the blanks for the crown thing
Based on the positions of landscape features in my watershed model, I predict there will be ________ number of watersheds located at these locations in my model: __________________________________
The term watershed refers to a region of land through which water may be drained into a particular receiving water body.
What is a watershed?The term watershed refers to a region of land through which water may be drained into a particular receiving water body such as a river or a stream. The question is incomplete as the watershed model was not shown here.
However, watersheds provide movement corridors for water and may help to prevent erosion and manage the ecosystem better.
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Why does an electrolyte conduct electricity? (IF ANSWER IS GOOD AND CORRECT I WILL GIVE BRAINLIEST)
Answer:
because there's a chemical reaction that happens between the anions and cations. The cations are positive ions and anion are negative ions. the reaction occurs as one loses electrons and the other one gaining.
Devise a 6‑step synthesis of the starting material from the product. The cyclopentene is a key intermediate.
Cyclopentene is industrially produced in large quantities. It is used as a monomer for the synthesis of plastics, in addition to other chemical syntheses.
The 6‑step synthesis of the starting material from the productReaction 1 - Preparation of keto-aldehyde
Reaction 2 - Preparation of cyclopentene carbaldehyde
Reaction 3 -Preparation of α,β-epoxy-carbaldehyde cyclopentane
Reaction 4 - Preparation of cyclopentene alcohol
Reaction 5 -Preparation of α,β-epoxy-cyclopentane alcohol
Reaction 6 -Preparation of α,β-epoxy-carbaldehyde cyclopentane
With this information we can conclude that cyclopentene is used as a monomer for the synthesis of plastics.
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How many solutions does the equation (―3)(+ 1)(+ 5) = 0 have? What are the solutions?
Answer:
- 15 = 0
Explanation:
==> (―3)(+ 1)(+ 5) = 0
==> -3 × +1 × +5 = 0
==> -3×+5=0
==> -15=0
what happens when glycerol is added to water?
a. water evaporates more easily
b. water viscosity decreases
c. boiling point of the mixture exceed 100°C
d. freezing point of the mixture drops below 0°C
Answer:
The answer is going to be D
Two elements are found together in a substance. They are not chemically combined. Is this substance an element, a mixture or a compound?
The sound of a plucked guitar string travels through the air and strikes the eardrum of a person in the same room. How does the sound wave change when it transfers from the air to the person’s eardrum?
Both the speed and the wavelength of the sound change.
Neither the speed nor the wavelength of the sound change.
Both the frequency and the wavelength of the sound change.
Neither the frequency nor the wavelength of the sound change
When sound wave travels from air to a person's eardrum, both the speed and the wavelength of the sound change.
Refractive index of soundThe refractive index of sound is obtained from the ratio of speed of sound in air to speed of sound in material.
refractive index = speed of sound in vacuum / speed of sound in material
refractive index = wavelength of sound in material / wavelength of sound in vacuum
Note: the frequency sound will remain constant.
Thus, when sound wave travels from air to a person's eardrum, both the speed and the wavelength of the sound change.
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I need to add 8 moles of carbon to the reaction. How many grams of carbon should i weigh?.
Answer:
96g
Explanation:
so, molar mass of C =12g/mol
C=8 moles
8x12
= 96
The pOH of a solution is 3.45. What is the OH⁻ concentration in the solution?
The concentration of the hydroxide ion [OH¯] in the solution having a pOH of 3.45 is 3.55×10¯⁴ M
What is pOH?The pOH of a solution simply defines the concentration of the hydroxide ion [OH¯] in the solution. It can be expressed mathematically as
pOH = –Log [OH¯]
How to determine the value of [OH¯]From the question given above, the following data were obtained:
pOH = 3.45concentration of hydroxide ion [OH¯] =?pOH = –Log [OH¯]
3.45 = –Log [OH¯]
Multiply through by –1
–3.45 = Log [OH¯]
Take the anti-log of –3.45
[OH¯] = anti-log of (–3.45)
[OH¯] = 3.55×10¯⁴ M
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Hard water has high concentrations of: a. sodium and chloride b. calcium and fluoride c. magnesium and sodium d. sulfur and potassium e. calcium and magnesium
Hard water is water that contains calcium ions or magnesium ions.
What is hard water?The term hard water is water that contains calcium ions or magnesium ions. These ions are able to interact with soap and prevent the formation of lather thereby making it difficult for this water to be used in washing.
However, hard water is good for building strong bones as well as for building the calcareous shell of organisms.
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The volume of one mole of carbon dioxide gas at (STP) is__L
Explanation:
[tex]22.4 lit[/tex]
A hot metal block is placed into a beaker of cold water. Explain what happens to
the thermal energy of the system.
Answer:
the metal gets cold and week
Explanation:
given the fact that nitrogen is abundant in the atmosphere why is it included in fertilizers
Answer:
Explanation:
Nitrogen fertilizers are added to soil because nitrogen is very important for plant growth and most organisms can not utilize atmospheric nitrogen. Even though the percentage of nitrogen in the atmosphere is very high, yet it is not available to most living organisms for use because the energy required to break the bonds that hold the diatomic nitrogen together is very high
Dmitri mendeleev contribution to the periodic table.
In 1871, a Russian Chemist, Dimitri Mendeleev, gave a useful scheme for classification of elements. He presented the first regular periodic table in which elements of similar chemical properties were arranged in eight vertical columns called groups. The horizontal rows of table were called periods. He arranged elements in ascending order of their atomic masses and found that elements having similar chemical properties appeared at regular intervals. This observation was called Periodic Law.
Which statements are true based on specific heat? Check all that apply. Land heats up/cools down faster than water. Regions with moderate climates often have large bodies of water surrounding them. Water boils quicker than alcohol or ether.
Specific heat is the quantity of heat required to raise the one gram of substance by one degree Celsius. Both A and B is correct.
What is specific heat ?Specific heat is the quantity of heat required to increased the temperature of one gram of a substance by one Celsius degree.
The units of specific heat are usually measure in calories or joules per gram per Celsius degree. For example, the specific heat of water is 1 calorie (or 4.186 joules) per gram per Celsius degree.
The specific heat is the amount of heat required to raise a gram of water by one degree Celsius. When heat is absorbed by H₂O, the hydrogen bonds starts to break and the water molecules are move. This means that water can absorb heat before change in temperature.
Thus, both A and B are correct.
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8) Hospitals buy 400 L cylinders of oxygen gas compressed at 150 atm pressure. They need to
administer oxygen to patients at 3.0 atm. What volume (V2) of oxygen can a cylinder supply at this lower
pressure?
Answer:
the answer will be 20,000 L
A chemist wants to observe the following reaction
2H2+O2->2H2O
The chemist is standing inside a room with oxygen in the air and has a balloon filled with hydrogen. The chemist holds a small flame up to the hydrogen balloon when the balloon pops the hydrogen explodes in a ball of fire.
based on what you know about breaking and forming bonds, explain which part of the reaction is higher and energy. defend your answer in 3 to 5 sentences
The part of the process that requires greater energy is the breaking of bonds between oxygen and hydrogen atoms
What is a chemical reaction?A chemical reaction is said to occur when the chemical bonds in substances break and new bonds are formed. Hence, a chemical reaction involves the breaking and forming of bonds.
We can see that the part of the process that requires greater energy is the breaking of bonds between oxygen and hydrogen atoms because energy in the form of heat had to be supplied for that to happen.
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Answer:
This reaction is a chemical reaction because it involves the forming and breaking of bonds. The part of the reaction that is higher in energy is breaking the bond between oxygen and hydrogen atoms. This is because energy is supplied being in the form of heat which requires more energy.
Explanation:
According to the information provided, which of the following
correctly lists the total number of neutrons and protons
emitted during alpha decay?
A. 4
B. 2
C. 1
D. 0
An enclosed 20 ml metal cylinder was filled with a gas sample at room temperature. The sample then was transferred to an empty 40 ml enclosed container, also at room temperature. After being transferred, the volume of the gas was:.
Answer:
-34.90
Explanation:
by enclosed to 20 ml metal cylinder was filled with glass increased by 40 and divided to 2 equal 30 then add the theoragly formula .90
Convert from 150 cal(or kcal) to joules. Remember that 1 cal = 4.184 J.
Answer:
627.6
Explanation:
150 x 4.184 = 627.6
Remember:
calories multiplied by 4.184
One gram of sugar provides 4. 0 calories. How many calories you will get by drinking
one can (330 ml) of cola?
1320 calories will be got by drinking one can (330 ml) of cola.
HOW TO CALCULATE CALORIES?Calories refers to the unit of measurement of energy consumed in food.
According to this question, one gram of sugar provides 4.0 calories of energy.
1g of a liquid substance equals 1mL. Therefore, 330mL of cola will equal (330 × 4) = 1320 calories of energy.
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A weather balloon holds 2,600 cubic meters of helium. The density of helium is 0. 1755 kilograms per cubic meter. How many kilograms of helium does the balloon contain? Please round your answer to the nearest whole number. Only enter a numerical value in the answer blank.
Answer:
for those whos question asked them to round to the nearest whole number the answer is 456
Explanation:
The weather balloon contains 456.3 kilograms of helium.
How are the density, volume and mass of a substance related?Suppose that a finite amount of substance is there having its properties as:
mass of substance = m kg
density of substance = d kg/m³
volume of that substance = v m³
Then, they are related as:
[tex]Density = \frac{mass}{volume}[/tex]
For the given case, we are given that:
Volume of balloon = volume of helium it contains = 2600 m³ = m
Density of helium it contains = 0.1755 kg/m³ = d
Let its mass be m, then:
Density of helium it contains = 2600 × 0.1755
= 456.3.
Hence, the weather balloon contains 456.3 kilograms of helium.
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Which word equation shows hydrogen reacting with oxygen to form water?
CORO
oxygen + water hydrogen
hydrogen + oxygen - Water
oxygen + water hydrogen + water
hydrogen + water - Oxygen
Mark this and retum
Save and Exit
Next
Submit
Answer:
O2+H2 → H2O
become→zero to−2
∵ it will be reduced and oxidation state of H
2
becomes zero to +1 it will be oxidised.
∴ reaction will be redox
Explanation:
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what describes the process by which gas goes directly to a solid phase
A sublimation
b solidification
c vaporization
d deposition
Deposition is when a gas transitions directly to the solid phase without passing through the liquid phase D) Deposition.
During deposition, the gas molecules lose energy and come together to form a solid substance. This process is the reverse of sublimation, where a solid directly transitions to the gas phase without becoming a liquid.
Deposition refers to the process in which a substance changes directly from a gaseous state to a solid state without passing through the intermediate liquid phase. It is the reverse process of sublimation, where a solid transforms instantly into a gas.
During deposition, the gas molecules lose energy and come together to form a solid structure. This can occur when the temperature and pressure conditions favor the gas to bypass the liquid phase and directly convert it into a solid.
Examples of deposition can be seen in various natural phenomena, such as frost forming on a cold surface or the formation of snowflakes from water vapor in the atmosphere. In these cases, the water vapor bypasses the liquid phase and directly transforms into solid ice crystals through deposition. Therefore, the correct answer is D) Deposition.
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What is the pressure in atm of 0.47mol of a gas in a 1.7L container at 276K?
please help quickly the answer on the pic I attached
Answer:
letter C is a structure most like that of slate
Name each of the stages in the life cycle of our sun. Describe what each stage is like, or what happens to cause it to change from one stage to the next
Explanation:
i hope this helps
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How are salt-water ecosystems and freshwater habitats different from one another?
Salt-water ecosystems are home to migrant animals but animals in freshwater habitats live there all year.
Some land mammals live in freshwater habitats but not in salt-water ecosystems.
Freshwater habitats are more diverse than salt-water ecosystems.
Some land mammals live in salt-water ecosystems but not in freshwater habitats.
Given what we know, we can confirm that the option that most explains the difference between Salt water ecosystems and fresh water habitats is option C.
How are these ecosystems different?We can say that Fresh water habitats are more diverse than Salt water ecosystems. This is the correct option amongst the ones listed. The options regarding land mammals are incorrect given that land mammals may use Salt water ecosystems, but do not reside in them. Finally, option A is incorrect given that both fresh and Salt water animals are often migratory.
Therefore, we can confirm that for these reasons, the correct choice is option C.
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Answer:
Some land mammals live in freshwater habitats but not in salt-water ecosystems.
Explanation:
i did the quiz
Is thermal energy being transferred from the metal pan to the eggs by radiation in this image? Why or why not?
No, thermal energy is not being transferred from the metal pan to the eggs by radiation in this image.
What is radiation?Radiation can be described as energy or particles from a source that travels through space or other mediums. Light, heat, microwaves and wireless communications are all forms of radiation.
It is energy that comes from a source and travels through space at the speed of light. This energy has an electric field and a magnetic field associated with it, and has wave-like properties. You could also call radiation “electromagnetic waves”.
In the image, since eggs are in direct contact with the pan therefore it is conduction and not radiation.
Therefore, No, thermal energy is not being transferred from the metal pan to the eggs by radiation in this image.
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