Answer: 3.6 grams
Explanation:
[tex]\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}[/tex]
[tex]\text{Number of moles of silver nitrate}=\frac{4.22g}{170g/mol}=0.025moles[/tex]
[tex]\text{Number of moles of aluminium chloride}=\frac{7.73g}{133g/mol}=0.06moles[/tex]
[tex]3AgNO_3(aq)+AlCl_3(aq)\rightarrow Al(NO)_3)_3(aq)+3AgCl(s)[/tex]
According to stoichiometry:
3 mole of [tex]AgNO_3[/tex] react with 1 mole of [tex]AlCl_3[/tex]
0.025 moles of [tex]AgNO_3[/tex] react with =[tex]\frac{1}{3}\times 0.025=8.3\times 10^{-3}moles[/tex] of [tex]AlCl_3[/tex]
Thus [tex]AgNO_3[/tex] is the limiting reagent as it limits the formation of product and [tex]AlCl_3[/tex] is the excess reagent.
3 moles of [tex]AgNO_3[/tex] produce = 3 moles of [tex]AgCl[/tex]
0.025 moles of [tex]AgNO_3[/tex] produce =[tex]\frac{3}{3}\times 0.025=0.025moles[/tex] of [tex]AgCl[/tex]
Mass of [tex]AgCl[/tex] produced=[tex]moles\times {\text {Molar mass}}=0.025\times 143=3.6g[/tex]
Thus 3.6 g of [tex]AgCl[/tex] is produced.
The mass in grams of AgCl produced when 4.22 g of AgNO₃ react with 7.73 g of AlCl₃ is 3.56 g
From the question, the equation of the reaction is given as
3agno3 (aq) + alcl3 (aq) → al(no3)3 (aq) + 3agcl (s)
This can be written properly as
3AgNO₃ (aq) + AlCl₃ (aq) → Al(NO₃)₃ (aq) + 3AgCl (s)
From the balanced chemical equation above, we observe that
3 moles of AgNO₃ will react with 1 mole of AlCl₃ to yield 1 mole of Al(NO₃)₃ and 3 moles of AgCl.
To determine the mass of AgCl that would be produced when 4.22 g of AgNO₃ react with 7.73 g of AlCl₃,
First, we will convert the given masses to number of moles
Using the formula,
[tex]Number \ of \ moles = \frac{Mass}{Molar \ mass}[/tex]
For AgNO₃
Mass = 4.22 g
Molar mass = 169.87 g/mol
∴ [tex]Number \ of \ moles = \frac{4.22}{169.87}[/tex]
Number of moles of AgNO₃ present = 0.02484 moles
For AlCl₃
Mass = 7.73 g
Molar mass = 133.34 g/mol
∴ [tex]Number \ of \ moles = \frac{7.73}{133.34 }[/tex]
Number of moles of AlCl₃ present = 0.05797 moles
Since,
3 moles of AgNO₃ react with 1 mole of AlCl₃
Then,
0.02484 moles of AgNO₃ will react with [tex]\frac{0.02484}{3}[/tex] moles of AlCl₃ completely.
(NOTE: AgNO₃ is the limiting reagent and AlCl₃ is the excess reagent)
[tex]\frac{0.02484}{3} = 0.00828[/tex]
∴ Only 0.00828 moles of AlCl₃ will react.
Now, since
3 moles of AgNO₃ will react with 1 mole of AlCl₃ to yield 1 mole of Al(NO₃)₃ and 3 moles of 3AgCl
Therefore,
0.02484 moles of AgNO₃ will react with 0.00828 mole of AlCl₃ to yield 0.00828 mole of Al(NO₃)₃ and 0.02484 moles of AgCl
∴ 0.02484 moles of AgCl is produced during the reaction.
Now, we will convert this amount to grams
From the formula
[tex]Mass = Number \ of \ moles \times Molar \ mass[/tex]
Number of moles = 0.02484 moles
Molar mass = 143.32 g/mol
∴ Mass of AgCl produced = 0.02484 × 143.32
Mass of AgCl produced = 3.56 g
Hence, the mass in grams of AgCl produced when 4.22 g of AgNO₃ react with 7.73 g of AlCl₃ is 3.56 g
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The molecular mass of bromophenol blue is 692.0. Find the atomic mass for copper from a periodic table.
what requirements must a molecule meet in order to be considered nonpolar?
How many lone pairs of electrons are in the electron-dot structure of h2o?
A very strong structural molecule in plants that is formed by hydrogen bonding between chains of glucose molecule is
Corn,sugar,algae,and sewage can be used as fuel for engines. these are all examples of
Answer: Bio-fuels
Explanation:
Bio-fuels are the alternatives of fossil fuels and are directly or indirectly obtained from the plants and other waste materials that are of biological origin. It is much cheaper than the fossil fuels.
The above mentioned crops, algae sugar and other sewage products produces ethanol, undergoing fermentation process, that are essential for making bio-fuels.
Bio-diesel and Bio-ethanol are the two usual types of bio-fuels. Bio-diesels are made up of fats and oils, commonly used to run vehicles whereas bio-ethanol is made from the fermentation of plants and other crops, that are enriched in the production of ethanol.
Kinetic energy differs from chemical energy in that
Action and reaction forces always cancel out. question 1 options:
a. True
b. False
What kind of elements are columns 1,2 and 13-18 on the periodic table?
1-2: Metals non-metal.
13-18: Metalloids, Non-Metals, Metals
Columns 1, 2, and 13-18 on the periodic table are main-group elements, with column 1 containing alkali metals, column 2 containing alkaline Earth metals, and columns 13-18 including groups such as pnictogens, chalcogens, halogens, and noble gases.
Columns 1, 2, and 13-18 on the periodic table represent main-group elements, which are also known as representative elements. The elements in these columns have distinct properties and are usually presented in a way that highlights the similarities within a group.
Elements in column 1, except for hydrogen, are known as the alkali metals. They typically form compounds that consist of one atom of the element and one atom of hydrogen, and they share similar chemical properties.
Column 2 contains the alkaline earth metals. These elements form compounds with two atoms of hydrogen and exhibit comparable properties among themselves.
Columns 13 to 18 include various other families of elements with distinct properties, such as the pnictogens (group 15), chalcogens (group 16), halogens (group 17), and the noble gases (group 18, also known as inert gases).
The elements in these groups also tend to form compounds that reflect their column's valence electron configurations, illustrating the periodic nature of the table in which elements with similar chemical properties appear in vertical columns or groups.
Write a chemical equation that describes the dissolving of solid magnesium nitrate, Mg(NO3)2, in water.
Answer:
Your answer is Mg(NO3)2, in water Mg(NO3)2(aq) → Mg2+(aq) + 2NO3-(aq)
Explanation:
Imagine you have dissolved a small amount of baking soda in a glass of water. Identify the solute and the solvent
Gallionella bacteria can get energy from the reaction fe2+ → fe3+. this reaction is an example of
Nearly all ionic compounds are solids at room temperature in the solids the total blank charge is balanced by the
What does the subscript 2 indicate in the compound mgcl2?
Each atom is left with a ______ outer shell?
According to bohr's model of the atom in which orbitals do electrons have the least energy
Answer: Outermost orbitals
Explanation:
What do you predict will happen in two weeks time to seedling (B)?
The leaves will turn 180 degrees, and the stem will curl 90 degrees downwards.
The stem will turn 90 degrees downward, and the root will curl 90 degrees upwards.
It will die because it is lying on its side.
The root will turn 90 degrees downward, and the stem will curl 90 degrees upwards.
Answer:
The root will turn 90 degrees downward, and the stem will curl 90 degrees upwards.
Explanation:
Answer:
The root will curl down, and the stem will curl up.
this is for exabit A
during the process of erosion and deposition sediments are the____?
Which two groups of organic compounds serve as energy sources?
What is the electrical charge of a cation?
A. zero
B. positive
C. negative
In the hydrocarbon (a) what is the hybridization at each carbon atom in the molecule? (b) how many s bonds are there in the molecule? (c) how many p bonds? (d) identify all the 120° bond angles in the molecule. [section 9.6]
Final answer:
In ethylene, both carbon atoms are sp2 hybridized and form a planar shape with 120° bond angles. In allene, the central carbon is sp hybridized with 180° bond angles, while the terminal carbons are sp2 hybridized with 120° bond angles, with hydrogen atoms at the central carbon in perpendicular planes.
Explanation:
Hybridization of Carbon Atoms in Hydrocarbons
When determining hybridization at carbon atoms within hydrocarbons such as ethylene (C2H4) or allene (H2C=C=CH2), we consider the number of atoms directly bonded to a carbon atom. In ethylene, both carbon atoms are sp2 hybridized because they each make three sigma (σ) bonds - two to hydrogen atoms and one to each other - and one pi (π) bond is shared between them, forming a double bond (C=C). As for allene, the central carbon is sp hybridized due to possessing two π bonds, one with each of the adjacent carbons, while the terminal carbon atoms are sp2 hybridized.
There are multiple types of bonds in a C=C bond; a σ bond and a π bond. A C=C bond includes one σ bond that results from the head-on overlap of sp2 hybrid orbitals and one π bond that results from the side-to-side overlap of the unhybridized p orbitals.
The shape of the ethene molecule is planar with approximately 120° bond angles due to the sp2 hybridization. In contrast, the allene molecule has a more complex structure where the central carbon has 180° bond angles, and the terminal carbons have 120° bond angles. The hydrogen atoms on the central carbon of allene are in perpendicular planes to each other due to the nature of its hybridization.
In a hydrocarbon, each carbon atom is sp3 hybridized, forming sigma bonds. There are no pi bonds, and all bond angles are approximately 109.5°, representing tetrahedral geometry.
(a) The hybridization at each carbon atom in a hydrocarbon can be determined using the formula "Hybridization = 1/2(V + M - C + A)," where V is the number of valence electrons, M is the number of monovalent atoms, C is the cation charge, and A is the anion charge. For carbon in a hydrocarbon, V = 4, M = 4, and C = A = 0 for neutral carbon. Substituting these values, the hybridization is 1/2(4 + 4 - 0 + 0) = 1/2(8) = 4. Therefore, each carbon atom in the hydrocarbon is sp3 hybridized.
(b) In a hydrocarbon, each bond formed between carbon atoms is a sigma (σ) bond. Thus, the number of sigma bonds is equal to the number of single bonds in the molecule.
(c) A hydrocarbon consists only of single bonds, so there are no pi (π) bonds.
(d) In a hydrocarbon, all the bond angles are approximately 109.5°, corresponding to the tetrahedral geometry of sp3 hybridized carbon atoms.
The question probable may be:
In the hydrocarbon (a) what is the hybridization at each carbon atom in the molecule? (b) how many s bonds are there in the molecule? (c) how many p bonds? (d) identify all the 120° bond angles in the molecule.
Has anyone done the chemical reactions lab in chemistry on k12?? can someone help me do it
Explain why water has a different boiling point at an elevation of 3000 meters than it does at sea level
Answer:
The lower the pressure the lower the temperature, thus, at 3000 m the pressure is lower, therefore the boiling temperature is lower than at 0 m.
Explanation:
Hello,
In this case, the boiling point of water at the sea level is about 100 °C whereas at 3000 m is about 89.5 °C since the pressure at higher altitudes is less than the atmospheric pressure. In such a way, considering a directly proportional relationship between pressure and temperature, the higher the pressure the higher temperature (sea level) whereas the lower the pressure the lower the temperature (at 3000 m)
Best regards.
Which statement best describes resistance? Resistance is
how well a current will flow in a material and is measured in volts.
how well a material conducts an electrical charge and is measured in ohms.
the ability of a material to attract a positive charge to create a current.
the ability of a material to repel neutral charges and is measured in ohms.
Answer: Option (d) is the correct answer.
Explanation:
Resistance is defined as the ability of a substance to resist the slow of electrons or charges through it.
This means that a resistance is the measure to see how difficultly a charge is flowing through a material. Resistance is represented by R and it's S.I unit is ohms.
According to ohms law, electric current is proportional to voltage and inversely proportional to resistance.
Mathematically, V = IR
where, V = voltage
I = current
R = resistance
Thus, we can conclude that the statement ability of a material to repel neutral charges and is measured in ohms, best describes resistance.
Fill in the coefficient that will balance the following reaction:
_____NH4Cl+_______Ag3PO4--->_____AgCl+_____(NH4)3PO4
What ion carries two negative charges and is isoelectronic with k+?
Which of the subatomic particles is most responsible for the chemical properties of an element?
Question 3 options: how many moles of argon atoms are present in 11.2 l of argon gas at stp?
It is known that at if a gas is identified to be as ideal gas then, at STP, the volume of 1 mole of that gas is equal to 22.4 L. Using this fact and the given volume in this item, we determine the number of moles as that below.
n = (11.2 L of argon)(1 mol argon / 22.4 L of argon)
n = 0.5 moles
Answer: 0.5 moles
The sign of δ g predicts whether the formation of the products in a reaction is favored. if the value is positive, the formation of the products in a reaction is:
When fe(no3)2(aq) and na2s(aq) are mixed, what is the black coloured precipitate that forms?
Final answer:
The black colored precipitate formed when Fe(NO3)2(aq) and Na2S(aq) are mixed is Iron(II) sulfide, represented by the compound FeS.
Explanation:
When Fe(NO3)2(aq) and Na2S(aq) are mixed, a precipitation reaction occurs. According to solubility rules, sulfides are generally insoluble, except for those of group 1 elements (like Na) and ammonium. Iron sulfide, which is not an exception to this rule, will precipitate as a solid. The black colored precipitate that forms is likely to be FeS (Iron(II) sulfide).
The relevant reaction can be represented by the ionic equation: Fe2+ (aq) + S2- (aq) → FeS (s), where the precipitate is the insoluble iron(II) sulfide.
While the information provided with the question includes several reactions and solubility examples, the key to answering this specific question is understanding the solubility of sulfides and that iron can form a black colored sulfide precipitate.
How do moss leaves and fish differ? How are they the same?