Can somebody plz help answer this question correctly thank you! ONLY 1-2 sentences is good thanks!
WILL MARK BRAINLIEST WHOEVER ANSWERS THIS QUESTION :DDD
Answers
to generate energy means to create energy. chemical energy is the energy that is created when you put effort into doing something..
Related Questions
For many plants, carbon dioxide is a limiting factor.
What happens when more carbon dioxide is available to plants?
1.Plant growth increases.
2.Plant growth stays the same.
3.Plant growth decreases.
4.Plant growth may increase or decrease.
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Answer:
1
Explanation:
plants use carbon dioxide and if there is more then that mean the plants will have more to use and will grow faster and populate more
List the 3 particles of an atom (w/their symbol & charge)
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Proton p +1
Neutron n 0
Electron e- -1
2. The atomic number of an atom comes from *
The number of electrons.
The number of neutrons.
The number of protons.
Its atomic mass.
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mention the three colours of Zanzibar .
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Answer:
horizontal tricolor with three equal-sized stripes of blue, black and green.
Explanation:
hope this is what u want
Answer: ↓
Black and Vivid Cerulean,
About The Photos: This second Photo is the flag from the 2000's I believe, and the first Photo shows the 1964 flag.what the correct answer
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Answer:
halogens
hope its right
Answer:
there combine with an acid called sodium chloride or magnesium sulphate
To Identify a mineral, there are tests that are used including:
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Geologists use the following tests to distinguish minerals and the rocks they make: hardness, color, streak, luster, cleavage and chemical reaction.
ehat is the name of the hydrate Ba(OH)2 8 H2O
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Answer: Barium hydroxide octahydrate
Explanation:
What is the ability for a substance to flow
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The ability for a substance to flow is fluidity.
Which substances show flowing?Only liquid and gaseous substances have the ability to flow from one point to other as they have weak intermolecular force in it.
Fluidity is the quantity which gives idea about the ability of that substance to flow. At normal conditions at room temperature, any substance has the tendency to distort its shape in order to flow or take the shape of the container it is enclosed in.
Hence the ability for a substance to flow is fluidity.
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how many feet is 1000 km?
Answers
Answer: 0.3 feet
Explanation:
0.0003048km=1ft
1,000*0.0003048= 0.3048
rounded would be 0.3
If the length, width, and height of a box are 9.50 cm, 6.75 cm and 3.50 cm, respectively, what is the volume of the box in units of milliliters and liters?
(a) How many mL will the box contain?
(b) How many L will the box contain?
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Answer: 1cm³= 1mL
Explanation:
What's wrong with the statement "a mug of hot chocolate contains more heat than a glass of cold water."
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Answer:
Heat is not something that can be contained since it is not a tangible thing. Heat is a process
Explanation:
The wrong thing in this statement "a mug of hot chocolate contains more heat than a glass of cold water."is: Heat is a process. Heat is not something that can be contained since it is not a tangible thing.
What is Heat ?Heat can be defined as a state or quality of being hot or in a high temperature.
Heat can also be said to be a transfer of kinetic energy from one environment to another, from one medium to another, or from one object to another.
In conclusion, Heat is a process. Heat is not something that can be contained since it is not a tangible thing.
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HELP PLZZZZZZZZZZZZZ I WILL GIVE BRAINLIST!!!!!!!!!!!
If you place Alka -Seltzer tablets in a closed container of water, the tablets effervescence then produce a gas. What will eventually happen inside this closed container?
A. Not enough information to determine.
B. The pressure decreases.
C. The pressure increases.
D. The pressure remains the same.
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Answer:
c the pressure increases
3. When substances cross cell membranes by simple diffusion, they
a. squeeze between phospholipid molecules.
b. have help from channel proteins.
C. move from a higher to lower concentration.
d. two of the above
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Answer:B
Explanation:due to osmosis and osmoregulation of the cell membrane
I need the answer for number 17 pls
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What part does chlorophyll play in photosynthesis?
A. It transports sugar and water to plant leaves
B. It uses suns energy to “cook”water and carbon dioxide
C. It drinks water from the soil around the roots of the plant
D. Breathes the air around the plants and gets carbon dioxide
Answers
Answer:
B
Explanation:
it uses the process of the light reaction stage and Calvin cycle to trap sunlight in the day and make food at night
Answer:
I think the answer is A or B
Photosynthesis requires light, water, and CO2 to work. When one of these factors is in short supply, it is called a limiting factor. Temperature can also be a limiting factor when it is too hot or too cold for photosynthesis to work well. If you are trying to grow plants in a greenhouse, why is it important to know the limiting factor?
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A farmer can be more successful in understanding which plant produces and how to grow plants with a higher degree of photosynthesis with less material and time exhaustion, by recognizing what the limiting factor is.
Hope this helps! Please correct me if I'm wrong :)
In which type of reaction is ATP the driving force?
O
A. anabolism only
o
B. catabolism only
O
C. both anabolism and catabolism
D. neither anabolism nor catabolism
HELP PLEASE!!
Answers
C.
- I hope this helps, I got it right. Enjoy the rest of your day/night, please make me brainliest!
What is the conversion for 5 g + 3.3 mL =
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Answer:
9 g/ml
Explanation:
5 + 3.3 = 8.5
But you should use sig figs.
5 has no tenths, hundredths, and etc.
Therefore the 8.5 rounds up to 9
So the answer is 9.
Which best explains why the atomic theory is a scientific one?
A. The theory was written by a famous scientist and has been around
for a very long time.
B. The theory describes what atoms are and has not changed over
time.
C. The theory explains many observations and is supported by a
large amount of evidence.
D. The theory represents a guess by many different scientists about
how atoms work.
Answers
Answer:
C
Explanation:
Answer:
it will option c it is perfect
Emilio wants to tell a friend where an element's name is located within it's box in the periodic table. Which of the following is an accurate explanation to find an element's name?
the name is at the top of the box
the name is the large letter or letter combination in the box
the name is the word below the large letter combination in the box
the name is the last piece of information in the box
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Answer:
A
Explanation:
hope this helps!
The name is the word below the large letter combination in the box
When using the process of evaporation to separate a mixture, what is left behind
in the evaporating dish?
Answers
Answer:
When a solution is heated, the solvent evaporates, leaving behind the dissolved solids as residue. When a solution containing dissolved solutes is heated, the solvent will evaporate. Only the solute will remain in the evaporating dish.
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When using the process of evaporation to separate a mixture, solute is left behind in the evaporating dish
What is evaporation?
Evaporation is a sort of vaporization that occurs on a liquid's surface when it transitions from a liquid to a gas.
Evaporation is a separation technique that can be used to separate components of a combination including a decomposed solid in a liquid. The liquid gets evaporated, which means it is converted from a liquid to a gas. This frequently necessitates the use of heat. The solid will be all that remains after the liquid has entirely evaporated.
To more about evaporation.
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Physical is to chemical as size is to ???
Answers
Answer:
Physical is to chemical as size is to length
Explanation:
That's for if your looking for the synonym of size. (i dont really know what your asking, but if your looking for the opposite of size than its length.)
a sample of an unknown metal has a mass of 21.6g and volume of an 8.00cm3 calculate the density of the unknown metal
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Answer:
2.70 g/cm³Explanation:
The density of a substance can be found by using the formula
[tex]density = \frac{mass}{volume} \\[/tex]
From the question we have
[tex]density = \frac{21.6}{8} \\ = 2.7[/tex]
We have the final answer as
2.70 g/cm³Hope this helps you
USE LETTERS FOR ANSWERS, NO NEED TO EXPLAIN
a) Substitute symbols and formulas for words.
b) Predict the products. If no reaction occurs, write “NR” after the --> sign. c) Include abbreviations for the physical state.
d) Write out and balance the equation.
6. Mercury is poured into an aqueous solution of zinc nitrate.
7. Solutions of potassium iodide and lead (II) nitrate are mixed. The resulting lead compound is a precipitate.
thank you! :)
Answers
Answer:
Ok:
Explanation:
6a) [tex]Hg + Zn(NO_3)_2\\[/tex]
b) NR
c) [tex]Hg_{(l)} + Zn(NO_3)_2 {(aq)}=> NR[/tex]
d) Welp, no reaction so i don't know.
7a) [tex]KI + Pb(NO_3)_2[/tex]
b) [tex]PbI_2 + KNO_3[/tex]
c) All are aqeuous except for PbI2 which is solid
d) [tex]2KI _{(aq)}+ Pb(NO_3)_2_{(aq)} => PbI_2_{(s)} + 2KNO_3_{(aq)}[/tex]
Check if that is ok or if my work has any issues :).
What is the difference between condensation and evaporation?
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Condensation is the phase change from gas to a liquid, whereas evaporation is the phase change from liquid to gas.
how does activation energy influence a reaction
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Answer: The activation energy of a particular reaction determines the rate at which it will proceed. The higher the activation energy, the slower the chemical reaction will be. The example of iron rusting illustrates an inherently slow reaction.
Explanation:
In the morning, Rafael notices that the Sun appears on one side of the sky. In the evening, he notices that the Sun appears to be on the other side of the sky. However, in class, Rafael learned that the Sun does not actually move across the sky from one side to another.
Why does it appear that the Sun starts the day on one side of the sky and ends the day on the other?
A.
The Sun spins.
B.
The Earth has two Suns.
C.
The Sun moves around the Earth.
D.
The Earth spins.
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Answer: The earth spins while we also rotate around the sun the sun is well to us still when actually in reality the whole galaxy is moving but our planet spins and with it comes to night and day.
Explanation:
3. How many moles of H20 are in 15.2 grams of pure ice?
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Answer:
18.01528 grams.
Explanation:
Ther are 0.84 moles of [tex]H_{2}O[/tex] in 15.2 g of pure ice.
The molar mass of [tex]H_{2}O[/tex] is 18g.
To calculate the number of moles of a substance in a given mass of the sample, we divide the given mass by the molar mass of the sample,
Number of moles = given mass / molar mass
It is given that we have 15.2g of pure ice. Then the number of moles of [tex]H_{2}O[/tex] will be:
n = 15.2/18
n = 0.84 moles.
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Which of the 3 sub particles of an atom, weighs the LEAST?
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Answer:
Electron, as it carries a negative charge
Explanation:
Democritius thought that
are the smallest particles of matter.
Please give 1 answer.
A.
Electrons
B.
Protons
C.
Neutrons
D.
Atoms