Answers
Answer: It most likely represents a canyon.
Related Questions
Which is a characteristic of all ions?
They are metals.
They have a charge.
They are made of two or more types of atoms.
They form chemical bonds through electron sharing.
Answers
Answer:
D. They form chemical bonds through electron sharing.
Explanation:
The correct characteristic of all ions is that they have a charge. Therefore option B is correct.
An ion is an atom or a molecule that has gained or lost electrons, resulting in an unequal number of protons and electrons. This imbalance of positive and negative charges gives the ion a net electrical charge.
Ions can have a positive charge (called cations) if they have lost electrons, or a negative charge (called anions) if they have gained electrons.
The charge of an ion is essential in determining its behavior and interactions with other ions and molecules. It influences the way ions form chemical bonds and participates in chemical reactions.
The charge of an ion is indicated by a superscript after the chemical symbol, such as Na+ for a sodium cation or Cl- for a chloride anion.
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Which of the following elements will form +4 ions?
а
Gallium
b Germanium
C Calcium
d Magnesium
Answers
Answer:
gallium and germanium
Explanation:
hope it will help you
The element that would form +4 ions is Germanium. The correct option is b Germanium
From the question,
We are to determine which of the given elements will form +4 ions.
Gallium belongs to group 13 and will form +3 ions because the its oxidation state is +3.
Germanium belongs to group 14 and it forms stable oxidation state of +2 and +4. Therefore, Germanium will form +4 ions.
Calcium belongs to group 2 on the periodic table. Its oxidation state is +2 and it forms +2 ions.
Magnesium also belongs to group 2 on the periodic table. Its oxidation state is +2 and it forms +2 ions.
Hence, the element that would form +4 ions is Germanium. The correct option is b Germanium
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Cellular respiration uses sugar and _________ to produce carbon dioxide and water
Answers
Which orbital notation represents the second principal energy level of a silicon atom in the ground state?
Answers
Answer:
2
Explanation:
Silicon is one the elements found in nature and well positioned the periodic table.
It has an atomic number of 14 with an electronic configuration:
1s² 2s² 2p⁶ 3s² 3p⁴
From this formula the orbital notation that represents the second principal energy level is 2.
The main energy level in which the orbital is located or the average distance of the orbital from the nucleus is the principal quantum number.
It takes the number 1,2,3,4,5 e.t.c
What is the molarity of a solution in which 0.321 g of calcium chloride is dissolved in 1.45 L water?
Answers
Answer:
Molarity = 0.002 M
Explanation:
Given data:
Mass of calcium chloride = 0.321 g
Volume of water = 1.45 L
Molarity of solution = ?
Solution:
Molarity = number of moles / volume in litter.
We will calculate the number of moles of calcium chloride first.
Number of moles = mass/molar mass
Number of moles = 0.321 g/ 110.98 g/mol
Number of moles = 0.003 mol
Molarity:
Molarity = 0.003 mol / 1.45 L
Molarity = 0.002 M
Which of the following is an example of a situation in which an egg is receiving thermal energy through convection?
A. The egg is kept warm by its mother in the nest
B. An egg cracked on a hot sidewalk starts to cook
C. The egg is hard boiled in a pot of water
D. A metal pan on the stove fries the egg
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PLZ helppp meeeeee plllzzzzzzzzzzzzzzzzz &thhxx
Answers
Answer:
Option C: Combustion and synthesis only
Explanation:
This reaction is referred to as combustion reaction because carbon is burnt in oxygen to produce carbon (IV) oxide.
Also, it's a synthesis reaction because the two different atoms which are Carbon and oxygen interact to form a different compound which is CO2.
Thus, the correct answer is Option C: combustion and synthesis only
The process by which a cell takes in a large particle is called
A
endocytosis.
B
diffusion.
C
active transport.
D
exocytosis.
Answers
Answer:
A endocytosis
Explanation:
The process by which a cell takes in a large particle is called endocytosis. Therefore, the correct option is option A.
What is endocytosis?Endocytosis is the procedure by which molecules are actively transported into the cell by being engulfed by its membrane. All cells use endocytosis and exocytosis to transport substances that cannot passively cross the membrane. Exocytosis serves the opposite purpose by ejecting molecules from the cell.
The requirement for homeostasis ensures an equal flow all molecules into and out of a cell, like all of the body's systems. This indicates that the number of molecules exocytosis and endocytosis both equal the number of molecules into the cell. The two systems work together to maintain a balance between nutrients and waste that is necessary for normal cell growth and function. The process by which a cell takes in a large particle is called endocytosis.
Therefore, the correct option is option A.
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A balloon is inflated to a volume of 1.25L .If the temperature of the air inside is cooled from 35°C to 15°C , what will be the final volume of the balloon?
Answers
Answer:
V₂ = 1.17 L
Explanation:
Given data:
Initial volume of balloon = 1.25 L
Initial temperature = 35°C
Final temperature = 15°C
Final volume = ?
Solution:
Initial temperature = 35°C (35+273.15K = 308.15 K)
Final temperature = 15°C (15+273.15 K = 288.15 K)
The given problem will be solve through the Charles Law.
Mathematical expression:
V₁/T₁ = V₂/T₂
V₁ = Initial volume
T₁ = Initial temperature
V₂ = Final volume
T₂ = Final temperature
Now we will put the values in formula.
V₁/T₁ = V₂/T₂
V₂ = V₁T₂/T₁
V₂ = 1.25 L × 288.15 K / 308.15 k
V₂ = 360.2 L.K / 308.15 k
V₂ = 1.17 L
I'm hot right? here's a pic of me
Answers
How can you increase an object's kinetic energy?
Answers
HELPPPPP PLEASSEEEEE
Which statement is TRUE comparing the research of Bohr, Rutherford, and Dalton?
Dalton and Bohr modeled their experiments and their theories after Rutherford.
Dalton and Rutherford modeled their experiments and their theories after Bohr.
All three scientists developed their theories at the same time.
Rutherford and Bohr modeled their experiments and their theories after Dalton.
HELPPPPPPPPPP PLEASEEEEEEEE
Answers
Answer:
Dalton was first with the modeling They soon followed so the answer is D: rutherford and bohr modeled their experimentsSummary If you were a conservation scientist, what would you like most about your job?
Answers
Explanation:
A conservationist is someone who advocates and champions the cause to protect the environment and use earth's resource in a sustainable way.
One of the interesting perks of being a conservationist is the ability to preserve pristine nature.
This aspect would most fascinate me. The joy of having to enact laws and policies that would preserve very vital aspect of the ecosystem would such a great delight. Also, having to champion the cause of indigenous people in whose voices are not often disseminated is a good catchwhat does inductive effect mean?
Answers
Answer:
Tbh I looked it up but here is what I found. I hope it helps
Explanation:
In chemistry, the inductive effect is an effect regarding the transmission of unequal sharing of the bonding electron through a chain of atoms in a molecule, leading to a permanent dipole in a bond.
Explain what happens as a puddle dries after a rainstorm.
Answers
Which electron configuration is magnetic, paired or unpaired electrons
Answers
Answer:
paired electrons is magnetic configuration
A cart with the weight was already moving lefgt with a constant speed when the two forces shown were applied to the car. How do the two forces affect the motion of the cart?
Answers
Explanation:
the cart will be slowed down because the weight was added to the right the cart won't stop for about 10 seconds. there will be a lot of pull and friction therefore the cart slows down drastically
What is the molar mass of chlorine gas? (Hint: Be careful... the gas exists as Cl2)
Select one:
a. none of the above
b. 35.5 g
c. 71.0 g
d. 17.125 g
the calculation was like 70.90 so would it be none of the above??
Answers
i swear if someone helps me with this I’ll give them the biggest hug lol
Answers
Answer:
C
Explanation:
Bc Look at it like this if norm and grav are equal aka the reason why hes not going threw the cement or flying in the air then the app and the fric are equal too or he would slip and fall
The watt is the standard unit of measurement for?
Answers
Answer:
electrical power. nnnnnnn
carbon paired electrons
Answers
Answer:
what about carbon paired electrons? what do you need to know about them?
Explanation:
The table shows index fossils.
A 4 row table. Row 1, CENOZOIC ERA. It is split into Quaternary Period, Pecten gibbus, and Tertiary Period, Calyptraphorus velatus. Row 2, MESOZOIC ERA. It is divided into Cretaceous Period, Scaphites hippocrepis, Jurassic Period, Perisphinctes tiziani, and Triassic Period, Trophites subbullatus. Row 3, PALEOZOIC ERA. It is divided into Permian Period, Leptodus americanus, Pennsylvanian Period, Dictyoclostus americanus, Mississippian Period, Cactocrinus multibrachiatus, Devonian Period, Mucrospirifer mucronatus, Silurian Period, Cystiphyllum niagarense, Ordovician Period, Bathyurus extans, and Cambrian Period, Paradoxides pinus. Row 4, PRECAMBRIAN, has no additional information.
Which conclusion about Paradoxides pinus is supported by the information in the table?
Life forms existed during the Cambrian period.
Similar fossil species formed after the Devonian period.
This fossil species first appeared during the Cenozoic era.
Different life forms were surviving during Precambrian time.
Answers
Answer:
A. life forms existed during the Cambrian period
Explanation:
Answer:
A
Explanation:
Have a nice day!
Chemistry. Question is on photo. Will mark Brainy for whoever gets this right.
Answers
Answer:
49.18 eV hope this helps
2AlF3 + 3K2O → 6KF + Al2O3
How many grams of AlF3would it take to make 15.524 g of KF?
?g AlF3 (use 5 sig figs)
Answers
7.4797 g AlF₃
General Formulas and Concepts:Math
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightChemistry
Stoichiometry
Reading a Periodic TableUsing Dimensional AnalysisExplanation:Step 1: Define
[RxN] 2AlF₃ + 3K₂O → 6KF + Al₂O₃
[Given] 15.524 g KF
Step 2: Identify Conversions
[RxN] 6 mol KF = 2 mol AlF₃
Molar Mass of K - 39.10 g/mol
Molar Mass of F - 19.00 g/mol
Molar Mass of Al - 26.98 g/mol
Molar Mass of KF - 39.10 + 19.00 = 58.1 g/mol
Molar Mass of AlF₃ - 26.98 + 3(19.00) = 83.98 g/mol
Step 3: Stoichiometry
Set up: [tex]\displaystyle 15.524 \ g \ KF(\frac{1 \ mol \ KF}{58.1 \ g \ KF})(\frac{2 \ mol \ AlF_3}{6 \ mol \ KF})(\frac{83.98 \ g \ AlF_3}{1 \ mol \ AlF_3})[/tex]Multiply/Divide: [tex]\displaystyle 7.47966 \ g \ AlF_3[/tex]Step 4: Check
Follow sig fig rules and round. We are given 5 sig figs.
7.47966 g AlF₃ ≈ 7.4797 g AlF₃
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When a small volume of water is boiled, a large volume of steam is produced. Why?
Water molecules repel each other when heated.
Water molecules repel each other when heated.
The size of the water molecules increases when heated.
The size of the water molecules increases when heated.
The molecules are further apart in steam than in water.
The molecules are further apart in steam than in water.
The change from water to steam causes the number of molecules to increase.
Answers
Answer:
C
Explanation:
The molecules are farther apart in steam than in water.
Organisms can be classified as
and
Answers
Answer:
Eukaryotes and prokaryotes
Explanation:
b. How many grams of CO2 are produced from 36
grams of CH4?
Answers
Answer:
Ch4 G +2o2 g co2 G +2h2o g How many moles of methane are required to produce 22 g co2 G after combustion
Explanation:
it's 22 grams..
hope the answer was helpful ....
need help, no idea what to do
Answers
The volume of unreacted Oxygen = 1.25 L = 1.25 dm³ = 1250 cm³
Further explanationGiven
Combustion of propane
3.6 L CO2
7.25 L O2
Required
The volume of unreacted oxygen
Solution
Reaction
C₃H₈ + 5O₂ ⇒ 3CO₂ + 4H₂O
Avogadro's :
In the same T,P and V, the gas contains the same number of molecules
So the ratio of gas volume will be equal to the ratio of gas moles
Vol O₂ = 5/3 x vol CO2 = 5/3 x 3.6 = 6 L
The unreacted : 7.25 - 6 = 1.25 L
the difference between these two chemical formulas: 4 H2O and H8O4.
Answers
Answer:
Explanation:
The given chemical formula is;
4H₂O H₈O₄
H₂O signifies 2 atoms of hydrogen bonding with 1 atom of oxygen
H₈O₄ signifies 8 atoms of hydrogen bonding with 4 atoms of oxygen
The 4 coefficient before H₂O signifies the number of moles.
It appears H₂O is 4 moles of water
H₈O₄ is 1 mole of the compound
The number of moles of each of the compound differs.
The difference between the two chemical formulas has been on the basis of the number of the molecules present. There have been 4 molecules of [tex]\rm H_2O[/tex], while only 1 molecule of [tex]\rm H_8O_4[/tex].
The chemical formula has been used for the determination of the number of atoms of each element present in the compound.
The chemical formula 4 [tex]\rm H_2O[/tex] gives the idea that there have been 4 molecules of water, with each molecule has consisted of 2 hydrogens and 1 oxygen atom. The total number of atoms has been 8 hydrogen atoms and 4 oxygen atoms.
The chemical formula [tex]\rm H_8O_4[/tex] gives insight into the presence of 1 molecule having 8 atoms of hydrogen and 4 atoms of oxygen.
The similarity in the chemical formula has been the presence of the same number of atoms. The difference between the two chemical formulas has been on the basis of the number of the molecules present. There have been 4 molecules of [tex]\rm H_2O[/tex], while only 1 molecule of [tex]\rm H_8O_4[/tex].
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Help me balance the equation
Answers
Answer:
blank 1 ----> 1
blank 2 -----> 1
blank 3 ------> 3
Explanation:
easy one!