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Jordan is making a model of a cell. Where should Jordan place all of the cell's organelles?
A. the nucleus
B. the cytoplasm
C. the cell membrane
Answer:
use b
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In a lab, students measured the mass of an unknown metal to be 46.4g The metal sample releases 769 J when it is cooled from 101.0°C to 30.00 "C, the
meal is most likely?
Lead
Copper
Mercury
Silver
What is tugror pressure ,what causes it,and what does it do for a plant?
Answer:
Explanation:
Turgor pressure is the pressure forced or in other words, exerted onto the cell wall of the plant. It's caused by the movement of water into the cell. This causes the water to rush and burst into the cell, which increases the pressure onto the cell wall. Due to that, cell swells up, which helping the plant to stand upright and straight.
Hope this helps
Answer:
Turgor pressure is the pressure exerted on the cell wall of a plant. It is caused by the movement of water into the cell. ... This causes water to rush into the cell, increasing the pressure on the cell wall. The cell swells up, helping the plant to stand upright.
What type of friction acts on a person who is sledding down a hill? Neglect air resistance. *
static
sliding
rolling
fluid
sliding
This is the answer
Why is methanol written as ch3oh instead of ch4o?
Answer: Here comes the role of another formula, which we refer to as the structural formula and that is CH3OH for methanol. The structural formula gives us an additional information that carbon is attached to three hydrogen atoms and one oxygen atom.
2. What element is found in compounds that control all chemical changes in your body?
Answer:
???????
Explanation:
When salt dissolves in water:
A. intermolecular forces in the solute are broken and new ion-dipole forces in the solution are formed
B. ionic bonds in the solute are broken and new intermolecular forces in the solution are formed intermolecular forces in the solute are broken and new intermolecular forces in the solution are formed
C. ion-dipole forces in the solute are broken and new ion-dipole forces in the solution are formed
D. ionic bonds in the solute are broken and new ionic bonds in the solution are formed
E. ionic bonds in the solute are broken and new ion-dipole forces in the solution are formed
F. ion-dipole forces in the solute are broken and new intermolecular forces in the solution are formed
G. intermolecular forces in the solute are broken and new ionic bonds in the solution are formed
H. ion-dipole forces in the solute are broken and new ionic bonds in the solution are formed
Answer:
ionic bonds in the solute are broken and new ion-dipose forces in the solution are formed
Explanation:
How many atoms are in 9.6 moles of
aluminum (AI)?
How many moles of calcium nitrate would react with 4.55 moles of chromium (III) sulfate to produce calcium sulfate and chromium(III) nitrate?
Answer:
13.65 moles
Explanation:
The equation of the reaction is;
3Ca(NO3)2 + Cr2(SO4)3 = 3Ca(SO4) + 2 Cr(NO3)3
4.55 moles of chromium (iii) sulfate reacts with calcium nitrate
The mole ratio of Chromium (iii) sulfate to calcium nitrate is 1: 3
Therefore; the moles of calcium nitrate will be given by
= (4.55/ 1)×3
= 13.65 moles
Hence; 13.65 moles of calcium nitrate would react with 4.55 moles of Chromium (iii) sulfate.
air hockey is a game that you play on the specially-designed table each player tries to slide a pug cross the table into a go using mileage the table has tiny holes that create cushion of air that lives the focus more distance about the playing surface the cushion of air increases the speed of the puck because it's......mm
Answer:
i don't know man really my bad
Answer:The cushion of air increases the speed of play because it lowers the friction between the table and the puck .
Explanation:
Spirited Away..............
Answer:
I'm not sure what your asking
Explanation:
whats the question......
Answer:
I don't understand you. Please elaborate
Create the Equation: How many grams of Aluminum Chloride would be made from 42.7 L of Chlorine gas at STP reacting with 50.0 g of Aluminum?
Answer: 169.3 g of [tex]AlCl_3[/tex] will be produced
Explanation:
To calculate the moles, we use the equation:
[tex]\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}[/tex]
moles of [tex]Al[/tex]
[tex]\text{Number of moles}=\frac{50.0g}{27g/mol}=1.85moles[/tex]
moles of [tex]Cl_2[/tex]
According to ideal gas equation:
[tex]PV=nRT[/tex]
P = pressure of gas = 1 atm (STP)
V = Volume of gas = 42.7 L
n = number of moles = ?
R = gas constant =[tex]0.0821Latm/Kmol[/tex]
T =temperature =[tex]273K[/tex] (at STP)
[tex]n=\frac{PV}{RT}[/tex]
[tex]n=\frac{1atm\times 42.7L}{0.0820 L atm/K mol\times 273K}=1.90moles[/tex]
[tex]2Al+3Cl_2\rightarrow 2AlCl_3[/tex]
According to stoichiometry:
3 moles of [tex]Cl_2[/tex] reacts with = 2 moles of aluminium
Thus 1.90 moles of [tex]Cl_2[/tex]reacts with= [tex]\frac{2}{3}\times 1.90=1.27[/tex] moles of aluminium
Thus [tex]Cl_2[/tex] is the limiting reagent as it limits the formation of product.
As 3 moles of [tex]Cl_2[/tex] give = 2 moles of [tex]AlCl_3[/tex]
Thus 1.90 moles of [tex]Cl_2[/tex] give =[tex]\frac{2}{3}\times 1.90=1.27moles[/tex] of [tex]AlCl_3[/tex]
Mass of [tex]AlCl_3=moles\times {\text {Molar mass}}=1.27moles\times 133.34g/mol=169.3g[/tex]
Thus 169.3 g of [tex]AlCl_3[/tex] will be produced from the given masses of both reactants.
Pls help me and thank youuuu
Anyone know the answer to this?
Why might the ability to produce three-dimensional images of organs be helpful in diagnosing a patient's ailment?
Answer:
Explanation: The body is largely composed of water molecules. Each water molecule has two hydrogen nuclei or protons. MRI takes advantage of the high prevalence of hydrogen in the body and the magnetic properties of the proton in a hydrogen atom. Hydrogen atoms induce a small magnetic field due to the spin of this atom's proton.
the formula equation of Sodium carbonate + hydrochloric acid
→ sodium chloride + carbon dioxide + water
Answer:
the reaction is: Na2CO3 + 2HCl ===》 2NaCl + H2O + CO2(g)
If a 28.0 L balloon with a temperature of
25 °C is cooled in a refrigerator, what will
be the volume of the balloon be when it
reaches 5 °C?
Answer:
5.6 L
Explanation:
We can apply Charles' Law here since our pressure is constant (will not change inside the refrigerator) and we are relating change in volume with change in temperature:
V₁ / T₁ = V₂ / T₂ where V₁ and T₁ are initial volume and temperature, and V₂ and T₂ are final volume and temperature. Let's plug in what we know and solve for the unknown:
28.0 L / 25 °C = V₂ / 5 °C => V₂ = 5.6 L
5.6 L is our new volume (at 5 °C).
Which of the following statements explains which trial has a lower concentration of the reactant? (5 points) Trial 1, because the average rate of the reaction is lower. Trial 1, because this reaction lasted for a longer duration than Trial 2. Trial 2, because this reaction was initially fast and later slowed down. Trial 2, because the v
Answer:
A)Trial 1 because the average rate of reaction is lower.
Explanation:
I accidentally gave myself low rating my bad
The statement that best explain which trial has a lower concentration of the reactants is Trial 1, because this reaction lasted for a longer duration than Trial 2.
What is a Chemical reaction?Chemical reaction refers to reaction that take place between reacting substances in which the chemical substances are transformed to products.
When the concentration of the reactants increases, more molecules tend to interact with each other in order to form new compounds, and the rate of reaction increases. When the concentration of the reactants reduces, there are little of that molecule present, and the rate of reaction decreases
Therefore, The statement that best explain which trial has a lower concentration of the reactants is Trial 1, because this reaction lasted for a longer duration than Trial 2.
Learn more about chemical reaction below.
https://brainly.com/question/16416932
What is the volume of 11 moles of N2 at STP?
What is this name of this compound? Cu2C
Answer:Copper(I) oxide or cuprous oxide is the inorganic compound with the formula Cu2O. It is one of the principal oxides of copper, the other being or copper (II) oxide or cupric oxide (CuO)
Answer:
copper carbonite
Explanation:
Copper(I) oxide or cuprous oxide is the inorganic compound with the formula Cu2C. It is one of the principal oxides of copper, the other being or copper (II) oxide or cupric oxide (Cu2C).
...
CHEBI:81908 - cuprous oxide.
The gills, Y, of a fish are usually near external openings that allow water
to flow in and out of them. They also usually have many folds, which
increases their surface area. Using the diagram and this information, how
have gills most likely allowed fish to adapt to living underwater?
A.
They allow the fish to easily take in dissolved oxygen
B.
They allow the fish to filter food from the water
C.
They allow the fish to filter carbon dioxide out of the water
D.
They allow the fish to sense predators
Name the salt produced if sodium carbonate reacts with dilute nitric acid ? Write the equation.
Answer:
2HNO3 +Na2CO3 → CO2 + H2O + 2NaNO3
Answer:
Na2CO3 + 2HNO3 → 2NaNO3 + CO2 + H2O
End product is Sodium Nitrate in solution, plus plenty of carbon dioxide gas bubbles and water.
Brainliest pweasee if I could help you! <3
5. What is the chemical difference between acids and bases? (only answer if you know and don’t comment some link)
Answer:
acid donates protons while base accept protons
Explanation:
Cells need a structure to separate their genetic material from the rest of the cell. This structure is the
cell membrane.
vacuole
cytoplasm
nucleus.
Answer: Nucleus
Explanation: It is the nucleus because the nulceus holds the chromosomes of the cell.
Balance the following equation:
[?]Na2SO4(aq) + [?]CaCl2(aq)-> [?]CaSO4(s) + [?]NaCl(aq)
(fill in the [?])
which deflects winds to the right or left
Answer:
right
Explanation:
the air that circulates to the right is deflected, because of the earths gravitational rotation, and how its tilted.
Which salt is most soluble at 10°C?
Answer:
KI
Explanation:
What products do not contain endocrine disruptors
Answer:
pesticides.
Explanation:
endocrine disruptors are found in many every day products including some plastic bottles and contains liner or metal food
Please help nowwww its important
Answer:
i think you're right
Explanation:
Answer:
It looks right
Explanation:
The graph goes right over August
Which of these counts as a single electron domain?
(Select ALL answers that apply)
a single bond to an atom
a double bond to an atom
a triple bond to an atom
a lone pair
Answer:
double bond to an atom
a lone pair
a single bond to an atom
Explanation: