Answer:
The balanced chemical reaction is written as follows:
bacl2 + na2so4 → baso4 + 2nacl
Therefore, the number of chlorine atoms in the reactants side and the products side would be 2 atoms in both sides which should be the case because the number of atoms in each side should have the same number.
Explanation:
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The process by which a cell takes in a large particle is called
A
endocytosis.
B
diffusion.
C
active transport.
D
exocytosis.
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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Help me balance the equation
Answer:
blank 1 ----> 1
blank 2 -----> 1
blank 3 ------> 3
Explanation:
easy one!
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
Answer:
Dalton was first with the modeling They soon followed so the answer is D: rutherford and bohr modeled their experimentsUse the following information to answer Q1-Q3
The shuttle has a separate fuel tank containing liquid hydrogen and liquid
oxygen.
Explain why hydrogen and oxygen are transported as liquids rather than as gases.
Answer:
Likely the reason behind carrying them in liquid for is to condense them. liquid takes up far less space than gases do and will last far longer. they can be transformed back into gases through heating them back up. To keep them solid would require frigid temperatures but liquid will transfer more easily through space.
Explain what happens as a puddle dries after a rainstorm.
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??
Which orbital notation represents the second principal energy level of a silicon atom in the ground state?
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
in the image shown above which type of heat transfer is represented by the number 3?
A-conduction
B-convection
C-latent heat
D-radiation
Answer:
Radiation
Explanation:
Radiation is energy that comes from a source and travels through space or heat energy through the air
I hope this helps u..
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Why is water considered a pure substance but orange juice a compound?
Answer: A mixture is when two or more substances combine physically together. However, in water, two hydrogen atoms combine with one oxygen atom chemically, forming a new substance that has properties different from hydrogen alone or oxygen alone. Therefore, water is not a mixture; it is a compound and it is pure. A Orange juice contains particles of solid (pulp) as well as liquid; it is not chemically pure. B Because its composition is not uniform throughout, orange juice is a heterogeneous mixture. A Aluminum oxide is a single, chemically pure compound. A Selenium is one of the known elements.
Hope this helps :)
Trimethylamine, (CH3)3N is a weak base (Kb = 6.3 × 10–5). What volume of this gas, measured at STP, must be dissolved in 2.5 Lof solution to give that solution a pOH of 2.50?
Answer:
8.9L is the volume of the gas that must be dissolved.
Explanation:
For a weak base, we can find [(CH₃)₃N] using the equation:
Kb = [OH⁻] [[(CH₃)₃NH⁺] / [(CH₃)₃N]
As [OH⁻] = [[(CH₃)₃NH⁺] and [OH⁻] = 10^-pOH = 3.16x10⁻³M:
6.3x10⁻⁵ = [3.16x10⁻³M][3.16x10⁻³M] / [(CH₃)₃N]
[(CH₃)₃N] = 0.1587M
As the volume is 2.5L, moles are:
2.5L * (0.1587mol / L) = 0.3968moles
Using:
PV = nRT
We can solve for volume of the gas as follows:
P = 1atm at STP; n = 0.3968moles; R = 0.082atmL/molK; T = 273.15K at STP
V = 0.3968mol*0.082atmL/molK*273.15K/1atm
V = 8.9L is the volume of the gas that must be dissolved.
What type of charging happens in the can when the balloon is bought near?
The watt is the standard unit of measurement for?
Answer:
electrical power. nnnnnnn
What does it mean for a material to be brittle?
A. It bends easily when pressure is applied.
B. It breaks when pressure is applied.
C. It changes shape when pressure is applied.
D. It stretches into thin strands when pulled.
Answer:
B. it breaks when pressure is applied.
i swear if someone helps me with this I’ll give them the biggest hug lol
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
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?
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
Organisms can be classified as
and
Answer:
Eukaryotes and prokaryotes
Explanation:
True or false? A metal will always be produced at one electrode during electrolysis.
Yes, a metal will always be produced at one electrode during electrolysis.
What is electrode?
An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit.
An electrode can be anode or cathode. During electrolysis, that is , the decomposition of a chemical compound by electricity, a metal will be deposited at the cathode.
Thus, a metal will always be produced at one electrode during electrolysis.
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Answer: FALSE
Explanation: Often, gases rather than metals form at electrodes, especially if it involves the electrolysis of a solution.
Please need help with chemistry questions!!!
Answer:
will you like work ot just the answers
science help me please :))
Answer:
There will be 2 nitrogen and 2 oxygen atoms in the product.
Explanation:
In a chemical reaction, atoms are neither created or destroyed, which means if there are 2 nitrogen atoms in the reactants, there will be 2 nitrogen atoms in the products. Similarly, if there are 2 oxygen atoms in the reactants, there will be 2 oxygen atoms in the products.
Let me know if this helps!
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.
Answer:
A. life forms existed during the Cambrian period
Explanation:
Answer:
A
Explanation:
Have a nice day!
How many products are produced in the following equation.
C2H2N2O4 + O2 → 4 CO2 + 2 H2O + 2 N2
Answer:
There are three products;carbon(IV)oxide,water and dinitogen and the number of molecules are given
Which electron configuration is magnetic, paired or unpaired electrons
Answer:
paired electrons is magnetic configuration
I thought heavy elements like iron & gold were dense & sank into the interior of the molten planet? How did gold get on top of the less dense crust?
Answer:
If it is denser then water it shall float but if water has a higher density the object sinks
Explanation:
How many atoms of Na would be in 2.53 moles of Na?
Answer:
15.24 × 10²³ atoms
Explanation:
Given data:
Number of atoms of Na = ?
Number of moles of Na = 2.53 mol
Solution:
1 mole contain 6.022× 10²³ atoms.
2.53 mol × 6.022× 10²³ atoms / 1mol
15.24 × 10²³ atoms
The number 6.022 × 10²³ is called Avogadro number.
It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.
carbon paired electrons
Answer:
what about carbon paired electrons? what do you need to know about them?
Explanation:
Summary If you were a conservation scientist, what would you like most about your job?
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 catchWhich of these choices describes a segment of
DNA that determines a specific trait in a person,
such as attached earlobes?
A. a gene
B. a phenotype
C. a chromosome
D. a characteristic
Please help ..
Plz plz plz plz answer I have not much time
Fourth option is a neutral boron atom.
Cellular respiration uses sugar and _________ to produce carbon dioxide and water