Answer: 5 plates
Explanation:
Because you have 5 sandwiches total
5 plates are the theoretical yield. Hence, option C is correct.
What is a theoretical yield?The theoretical yield is the maximum possible mass of a product that can be made in a chemical reaction.
The actual yield is the result obtained from the experiment while the theoretical yield is the result obtained from our calculations.
The actual yield of a chemical reaction rarely equals the theoretical yield because some of the amounts are lost during the process.
5 plates are the theoretical yield.
Hence, option C is correct.
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Balance this equation
Cu(OH)2+ HCI - - - - - > CuCl2 + H2O
[tex] \boxed{ \boxed{\huge{ \mathrm{ \underline{ Answer} \: \: ✓ }}}}[/tex]
The Balanced Chemical Equation for above reaction is :
[tex] \small \mathrm{Cu(OH)_2+ 2HCI\rightarrow CuCl _ 2 + 2H2O}[/tex]
_____________________________
[tex]\mathrm{ ☠ \: TeeNForeveR \:☠ }[/tex]
Which organelles surround the cell?
Answer:
Cell Wall, Cell Membrane, Nucleus, Endoplasmic Reticulum (ER), and Ribosome.
Explanation:
Hopefully this helps :).
Answer:
the nucleus the largest organelle in eukaryotic cells is surrounded by the cells
10 points. Please help.
If you have 3 moles of gas at a pressure of 2.5 atmospheres and a volume of 8 liters, what is the temperature? Pay attention to the unit of pressure used.
Answer:
-191.7°C
Explanation:
P . V = n . R . T
That's the Ideal Gases Law. It can be useful to solve the question.
We replace data:
2.5 atm . 8 L = 3 mol . 0.082 L.atm/mol.K . T°
(2.5 atm . 8 L) / (3 mol . 0.082 L.atm/mol.K) = T°
T° = 81.3 K
We convert T° from K to C°
81.3K - 273 = -191.7°C
Answer:
The temperature is 81.3 K.
Explanation:
An ideal gas is a theoretical gas that is considered to be composed of point particles that move randomly and do not interact with each other. Gases in general are ideal when they are at high temperatures and low pressures.
The pressure, P, the temperature, T, and the volume, V, of an ideal gas, are related by a simple formula called the ideal gas law:
P*V = n*R*T
where P is the gas pressure, V is the volume that occupies, T is its temperature, R is the ideal gas constant, and n is the number of moles of the gas. The universal constant of ideal gases R has the same value for all gaseous substances.
In this case:
P= 2.5 atmV= 8 Ln=3 molesR= 0.082 [tex]\frac{atm*L}{mol*K}[/tex]T= ?Replacing:
2.5 atm* 8 L= 3 moles* 0.082 [tex]\frac{atm*L}{mol*K}[/tex] *T
Solving:
[tex]T=\frac{2.5 atm* 8 L}{3 moles* 0.082\frac{atm*L}{mol*K}}[/tex]
T= 81.3 K
The temperature is 81.3 K.
Is this an alpha or beta decay?
Answer:
In Alpha Decay the nucleus is split into 2 parts with one of these parts – the alpha particle – zooming off into space. The nucleus has its atomic number reduced by 2 and its mass number is reduced by 4 (2 protons and 2 neutrons are removed). In Beta Decay (minus) a neutron turns into a proton.
Explanation:
How many total valence electrons are in P2O?
Answer:
In thes structure of PO43- there are a total of 32 valence electrons. For the structure for PO4 3- you should take formal charges into account to find the best structure for the molecule. Remember, PO4 3- has a negative three charge on the molecule.
Explanation:
What does a bi-directional arrow tell you about a chemical reaction?
hey hey hey whats your favorite show any genre could be drama, scary, and even anime. just dont say riverdale please lol
Answer:
one piece and jujutsu kaisen
Explanation:
what your favorite?
Answer:
aot, noragami, yuukoku no moriarty and promise never land only season 1 tho
Metals (m) in group 2 of the periodic table form ionic bonds with nonmetals (x) present in group ______ leading to formation of ionic compound with general formal of mx
A) 15
B) 16
C) 17
D) 18
Answer:
16
Explanation:
Metals in group 2 form ions of the sort M^2+. If they must form ionic compounds of general formula MX, then the non metal (X) must have a valency of 2 and form the ion X^2-.
Among the options listed, only elements of group 16 form ions of the sort X^2-, hence they are able to form compounds of general formula MX with group 2 cations. Examples of such compounds include; CaS, MgS etc
Help needed ASAP, I will mark your answer as brainliest.
The movement of water from an area of high concentration to one of low concentration through a semipermeable membrane is called ?
what elements are always similar to each other on the period table?
4. There are 1.9 moles of Oxygen gas at a pressure of 3.50 atm, and the temperature is 65°C. What is the
volume of the gas? Remember that R = 0.0821 L x atm/Kx mol AND that you must convert °C to K.
Fill in the variables chart:
Answer:
15.06 L
Explanation:
Using the ideal gas law equation:
PV = nRT
Where;
P = pressure (atm)
V = volume (L)
n = number of moles (mol)
R = gas law constant (0.0821 Latm/molK)
T = temperature (K)
According to the information provided in this question,
P = 3.50 atm
n = 1.9 moles
V = ?
T = 65°C = 65 + 273 = 338K
Using PV = nRT
V = nRT/P
V = (1.9 × 0.0821 × 338) ÷ (3.5)
V = 52.725 ÷ 3.5
V = 15.06 L
Any change in average weather conditions on Earth that lasts for at least several decades is called
Answer:climate change
Explanation:
a cell was taken from dolly the sheep and used to make a geneticly identical copy of her the copy lived to be 6 years old what is that called?
Explanation:
dolly was cloned I guess
Is this an alpha or beta decay?
Inyour body what's your systems work together to make sure that oxygen to all the organs of your body?
A. Respiratory and Excretory
B. Circulatory and Respiratory
C. Nervous and Excretory
D. Circulatory and Disgestive
112 g of aluminum carbide react with 174 g water to produce methane and aluminum hydroxide in the reaction shown below.
2 Al4C3(s) + 12 H2O(l) → 3 CH4(g) + 4 Al(OH)3(s)
If aluminum carbide is the limiting reactant, how many moles of the excess reactant are left over
a
37.3 mol
b
4.68 mol
c
7.33 mol
d
131.94 mol
Answer: 4.999 moles of excess reactant will be left over.
Explanation:
Limiting reagent is defined as the reagent which is completely consumed in the reaction and limits the formation of the product.
Excess reagent is defined as the reagent which is left behind after the completion of the reaction.
The number of moles is defined as the ratio of the mass of a substance to its molar mass.
[tex]\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}[/tex] .....(1)
Given mass of aluminium carbide = 112 g
Molar mass of aluminium carbide = 143.96 g/mol
Putting values in equation 1:
[tex]\text{Moles of aluminium carbide}=\frac{112g}{143.96g/mol}=0.778mol[/tex]
For the given chemical reaction:
[tex]2Al_4C_3(s)+12H_2O(l)\rightarrow 3CH_4(g)+4Al(OH)_3(s)[/tex]
By the stoichiometry of the reaction:
2 moles of aluminium carbide reacts with 12 moles of water
So, 0.778 moles of aluminium carbide will react with = [tex]\frac{12}{2}\times 0.778=4.668 mol[/tex] of water
Given mass of water = 174 g
Molar mass of water = 18 g/mol
Putting values in equation 1:
[tex]\text{Moles of water}=\frac{174g}{18g/mol}=9.667mol[/tex]
Moles of excess reactant (water) left = 9.667 - 4.668 = 4.999 moles
Hence, 4.999 moles of excess reactant will be left over.
Every closed circuit has an electric current, voltage, and ___________..
Fill in the blank
How GM food are produced?
What is genetic modification (GM) of crops and how is it done? GM is a technology that involves inserting DNA into the genome of an organism. To produce a GM plant, new DNA is transferred into plant cells. Usually, the cells are then grown in tissue culture where they develop into plants.
Answer:
GM is a technology that involves inserting DNA into the genome of an organism. To produce a GM plant, new DNA is transferred into plant cells. Usually, the cells are then grown in tissue culture where they develop into plants. The seeds produced by these plants will inherit the new DNA.
At a particular temperature and [A]0 = 2.00 x 10-2 Molar, concentration versus time data were collected for this reaction and a plot of ln[A]t versus time resulted in a straight line with a slope value of -2.97 x 10-2 min-1.
What is the half-life of this reaction?
Explanation:
How many grams of oxygen are required to burn 13.50 grams of acetylene?
one third of the united states carbon consumption is used to operate what
Answer:
The carbon returns to the atmosphere as carbon dioxide. Cars, factories, and power plants rely on these fossil fuels to operate. In the year 2000, vehicles were the source of one-third of all carbon dioxide emitted in the United States.
Explanation:
a mixture is separated using the apparatus shown
what is the mixture
A aqueous copper chloride and copper
B aqueous copper chloride and sodium chloride
C ethane and methane
D ethanol and water
Which of the following phenomena would be associated with the Big Bang theory.
-The universe is contracting
-Hot, Expanding matter eventually condensed into galaxies
-The universe began as a cool massive star
-Cool, Expanding matter eventually heated and became suns
-The universe is expanding
-The universe began in a hot dense state
Click on All Correct Answers
The big bang is characterized by an expanding universe.
What is the big bang?The scientists hold the theory that the universe is the result of a massive explosion that marked the beginning of the universe. Since the big bang, matter has been spreading.
Hence, one thing that has become associated with the big bang is the idea of an expanding universe.
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It took 20.0 mL of NaOH to neutralize 25 mL of 0.50 M HCl. What is the molarity of the base?
Answer:
5/8 M
Explanation:
NaOH + HCl ====> NaCl + H2O
in 25 mL of 0.5M acid, we have 1/80 Mol of HCl
it mean we must have 1/80 Mol of NaOH.
20 mL = 1/50 L
(1/80)Mol / (1/50)L = 5/8 M
If I contain 3 moles of gas in a container with a volume of 90 liters and at a temperature of 400 K, what is the pressure inside the container? 1.09 atm
Answer:
there it is fella tried on ma own consciousness
How does a balanced chemical equation show the conservation of mass?
O A. It shows that the total number of moles of substances stays the
same.
B. It shows that the mass of the products is greater than the mass of
the reactants when a reaction increases the moles of substances.
O C. It shows that the mass of the reactants is greater than the mass
of the products when gases are produced by the reaction.
O D. It shows that the number of each type of atom stays the same.
Explanation:
Every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. When an equal number of atoms of an element is present on both sides of a chemical equation, the equation is balanced.
Explain in terms of structure and bonding why carbon dioxide has a low boiling point and calcium carbide has a high boiling point
Answer:
See explanation
Explanation:
Let us consider the two compounds carefully. Carbon dioxide is purely a non-polar molecular compound while the bond between the C2^2- ion and Ca^2+ is ionic thereby making CaC2 an ionic compound.
Recall that ionic compounds have high melting and boiling points due to strong ionic interactions in the structure of the compound.
On the other hand, CO2 is a non-polar substance whose molecules are held together only by weak dispersion forces.
As a result of the reasons outlined above, carbon dioxide has a low boiling point and calcium carbide has a high boiling point.
help me guys please I need answer immediately
Answer:
Royal jelly is a honey bee secretion that is used in the nutrition of larvae and adult queens.
Nuptial flight: a flight of sexually mature social insects (as bees) in which mating takes place and which is usually a prelude to the forming of a new colony; especially : the mass flight and mating of winged sexual forms of ants after leaving the parent nest.
Cocoon: a silky case spun by the larvae of many insects for protection in the pupal stage.
Group B:
Not sure) a- Keep in cold places because when there are changes in weather, it could help the silkworm come out faster.
b-They live together in a large, well organized group and bees engage in complex activities that required works from other community members in the bee society.
c- i dont know this part sorry =(
d-The larvae of a silk moth secrete the silk thread which is used to make clothes. Honey bees produce and store honey which is nutritious food. Silkworm is a creamy white colored insect which is about 2-3 cm long and shining in nature Bee larvae have been shown to be an excellent food source for rearing insects
Explanation:
Answer:
For group A
Explanation:
1. A royal jelly is a substance that is secreted by the worker honeybee's. This is fed to a potential queen bee to help them grow.
2. The nupital flight is part of reproduction for ants, termites, and most bee species.
3. A cocoon is used for the resting pupal stage in the life cycle of animals like butterflies and moths. It is a protective covering and is silky.
4. They feed on mulberry leaves.
container has 3 moles of gas with a volume of 60 liters and at a temperature of 250 K, Calculate the pressure inside the container in kPa
Answer:
103.98 kpa
Explanation:
Pv= nRT
Where
P= pressure of the system=
n= number of moles= 3 moles
T= temperature= 250 K
Volume of the container= 60 liters
R= 0.0821L.atm/K.mol
Substitute the values
Pv= nRT
P= nRT/ V
= (3×0.0821×250)/60
= 1.026 Atm
1atm= 101325 Pascal
1.026 atm= X
= 103984 pasca
Convert to kilopascal
= 103984 pasca /1000
= 103.98 kpascal