Answers
The number of mole of Ag formed from the reaction of 8.0 moles of AgNO₃ and 5.0 moles of Zn, given the chemical reaction is 8 moles
How do I determine the number of mole of Ag formed?To know the number of mole of Ag formed, we'll begin by obtaining the limiting reactant. Details below:
2AgNO₃ + Zn -> 2Ag + Zn(NO₃)₂
From the balanced equation above,
2 moles of AgNO₃ reacted with 1 mole of Zn
Therefore,
8 moles of AgNO₃ will react with = (8 × 1) / 2 = 4 moles of Zn
From the above calculation, 8 moles of AgNO₃ requires only 4 moles out of 5 moles of Zn given. Thus, AgNO₃ is the limiting reactant
Finally, we shall determine the number of moles of Ag formed. This is shown below:
From the balanced equation above,
2 moles of AgNO₃ reacted to produce 2 moles of Ag
Therefore,
8 moles of AgNO₃ will also react to produce 8 moles of Ag
In conclusion, we can say that the number of mole of Ag formed is 8 moles
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What does the illustration indicate?
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Answer: A
Explanation:
where did all the elements in the universe come from?
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Answer:
Wal-mart XDDDDD
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Determine if you can swim in 1×10^27 molecules of water
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what's the formula for hypoarsenous acid?
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Answer:
As(OH)3 or AsH3O3
Explanation:
Explain why dissolving is classified as a physical change.
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Answer:
dissolving is classified as a physical change because it can be reversed back to its original form
explanation:
Dissolving is an example of a reversible change. For example, when salt is mixed with water it disappears because it dissolves in the water to make salty water. But we can get the salt can back again by boiling off the water. That leaves the salt behind.
What type of weathering creates a granite Tor?
Physical or
Chemical or
Biological
Answers
Answer:
Physical
Explanation:
Physical weathering is defined as the geological process in which rocks are broken down but there is no change in their chemical composition.
Granite tor are the rock masses above the ground surface which are associated with granites
Granite Tor is an example of physical weathering as they formed by freeze–thaw weathering. Granite tor are formed when magma present in the crust cools down and form batholith. Rocks above batholith gets erodes and left the batholith to expose.
Hence, the correct answer is "Physical weathering'.
for 50 points!! im having a bit of trouble haha
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Answer:
answer 16.1.) bohr model used to predict bonding abilities2.) electrical charge attraction holds atom together3.) valence electrons are outermost electrons4.) electron cloud - where electrons are foundanswer 17.falsebecause atomic number are numbers of protons
HELPP PLEASEEEEEEEEEEEEE
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Answer:
Potential energy I believe
Explanation:
What type of energy does photosynthesis turn energy from the sun into?
Answers
Explanation:
it turn into chemical energy
Hope this helps
Have a great day/night
Feel free to ask any questions
I need help I'll mark you as Brainliest
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Answer: c
Explanation:
Help me please an thank you
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Molecular formula
hope that helps^^
Mars have more gravity than earth?
True or false?
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Answer:
false
Explanation:
earth is larger than mars so it has more gravity
Answer: false
Explanation:
lithium electron configuration
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Answer:
Dalam fisika atom dan kimia kuantum, konfigurasi elektron adalah susunan elektron-elektron pada sebuah atom, molekul, atau struktur fisik lainnya. Secara formal, keadaan kuantum elektron tertentu ditentukan oleh fungsi gelombangnya, yaitu sebuah fungsi ruang dan waktu yang bernilai kompleks.
#semogamembantu
1) Write the symbol and charge for each individual ion
2) Balance the charge so that they equal to zero
3)Write the formula based on how many of each ion you used in step 2
6) Nitrogen and Barium
7) strontium and fluorine
8) iodine and calcium
9) magnesium and sulfur
10) Sulfur and aluminum
Answers
N -3
Ba +2
Sr +2
F -1
I -1
Ca +2
Mg +2
S -2
S -2
Al +3
//
Ba3N2
SrF2
CaI2
MgS
Al2S3
//
I don't really understand 2.
You start with 100mL of 14M HNO3 and 10grams of copper metal. How many moles of the nitrogen dioxide gas will be produced?
Answers
Answer:
0.316 moles are produced.
Explanation:
We state the redox reaction:
4HNO₃ + Cu → Cu(NO₃)₂ + 2NO₂ + 2H₂O
We need to determine the limting reactant:
0.1 L . 14 M = 1.4 moles
10 g . 1mol/ 63.54g =0.158 mol
Cu is the limiting reactant. Let's see
4 moles of acid need 1 mol of Cu to react
1.4 moles of acid may react to (4 . 1) / 1.4 = 0.35 moles
We do not have enough Cu.
1 mol of Cu can produce 1 mol of NO₂
Then 0.158 moles will produce, 0.316 moles. (double of moles)
If we see stoichiometry, ratio is 1:2
You are given 0.39 mol of niobium (Nb). How many grams of niobium do you have?
Answers
Answer:
36gNb
Explanation:
0.39 mol Nb*92.91g Nb/1 mol Nb=36 g Nb
Which of the following questions will allow you to determine if a population of organisms are MOST LIKELY a result of natural or artificial selection? A. How similar are the organisms to their parents? B. How many different traits are there in the population of organisms? C. Do the organisms have traits that are valuable to humans but are poorly suited to the wild? D. Were the organisms produced by sexual or asexual reproduction?
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Answer:c
Explanation:
In general, what causes a sea breeze?
O
A. The difference in density between land and water
B. The difference in cloud cover between land and water
Ο Ο Ο
C. The difference in specific heat capacity between land and water
D. The difference in elevation between land and water
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Answer:
The usual cause of sea breeze is the difference in specific heat capacity between land and water Land heats and cools more quickly than water. What is the cause of a sea breeze? The air over the land is warmed and rises, to a greater temperature than that over the sea.
Explanation:
Your answer is C ! <3
The difference in specific heat capacity between land and water is the cause of sea breeze.
What is sea breeze?land and ocean heat up at different rates, sea breezes often occur during hot, summer days. The land surface warms up more quickly than the water surface during the day. As a result, the air above land is warmer than that over water.
Just to refresh your memory, warmer air is lighter than cooler air. Warm air rises as a result. As a result, the warmer air above the ground is rising. The cooler air above the water is moving across the surface of the land to replace the rising heated air as it rises over the land.
This is the sea breeze, which is seen at the top of the next picture. The land breeze that happens is seen at the bottom of the following picture.
Therefore, The difference in specific heat capacity between land and water is the cause of sea breeze.
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What is true of experimental designs that are used in scientific research? The designs use the same steps in every kind of research. The designs follow a general method that is familiar to all scientists. The designs ensure that the experimental data supports the hypothesis. The designs are kept secret so that others must do their own experiments.. The answer is B.) "The designs follow a general method that is familiar to all scientists."
Answers
Answer:
The designs ensure that the experimental.
Explanation:
Scientific research refers to the-fact finding inquiry to answer the questions related to natural processes. A hypothesis is a situation or an assumption that needs to be proved by applying scientific produces. Experimental design refers to the methodology, which is applied to conduct research.
The designs ensure that the experimental data support the hypothesis is the true statement regarding experimental designs that are used in scientific research because an experimental design should be concerned with the fact that it is relevant or appropriate to prove a hypothesis.
Answer:
its c. the designs follow a general method that is familiar to all scientists
Explanation:
Question pic
(Will make brainliest)
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Answer:
c
Explanation:
Answer:
a and c
Explanation:
Question 8
Using Henry's Law: Sz/P1-S2/P2
To increase the solubility of a gas at constant temperature and 202kPa pressure from
0.85g/L to 5.1g/L, the pressure would have to be increased to:
A.505kPa
B.17.2kPa
C.606kPa
D.1212kPa
Answers
Answer:
D
Explanation:
plug the numbers
How is humility related to air pressure
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Answer: Edmentum question:
The following graph shows the barometric pressure over the course of the day in Bellingham. What effect will this trend likely have on cloud cover and precipitation over the city?
a scatter plot showing the barometric pressure of an area, with air pressure on the y-axis and time on the x-axis
Explanation: edmentum answer:
In the graph, barometric pressure is decreasing. The drop in pressure represents a low-pressure system. This type of system will cause an increase in cloud cover and precipitation.
The Law of Superposition states
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The solubility of AgNO3 at 10° and 20°C are 170g and 222g per 100g H2O. What is the sign of change of heat of solution for AgNO3?
Answers
Answer:
The sign of change of heat of solution is positive
Explanation:
The dissolution of AgNO3 in water is represented by the equation;
AgNO3(s) --------> Ag^+(aq) + NO3^-(aq)
We can see from the question that as the temperature was increased from 10° to 20°C the solubility of the solute increased from 170g to 222g per 100g of H2O.
This implies that the solubility of the solute increases with increase in temperature.
If a reaction moves in the forward direction when the temperature is increased, then the reaction is endothermic. If the reaction is endothermic, the sign of change of heat of solution is positive.
Fill in the blank...
Each element is made up of only one kind of ________
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what is the correct answer ?
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Answer:
Element with 6s subshell
Explanation:
Reactivity of an element depends on the electronic configuration and position of element in the periodic table as reactivity increases as we go down the periodic table.
This is so because number of shell increases as move down the periodic table and the last electron is further away from the nucleus.
Element with 6s subshell is the largest among 3s and 4s subshell and has more number of shells so it will react more than 3s and 4s subshell.
Hence, the correct answer is "Element with 6s subshell".
HELP!!!!!!!!
One use of CaCl 2 to salt roads in the winter. The equation that describes the change in freezing point of a solvent due to a solute is T f =i x K f x molality. How much would the freezing point decrease if a 3.23 molal (m) solution were achieved? (K f =1.86^ C/(mol/kg) for water and i = 3 for CaCl 2 )
Answers
Answer:
On contact with ice, calcium chloride forms brine rapidly, which lowers the freezing point of water and melts snow and ice quickly. Calcium chloride forms brine faster than other ice melters because its hygroscopic properties actually cause it to attract moisture from its surroundings
Explanation:
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Neon is a noble gas because it is stable non reactive and has ____ valence electrons
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Answer:
8 .....................
Anyone know how to do this?
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Answer:I can’t see the question
Explanation:
What is the formula for copper(I) phosphate(v)
Answers
Answer:
Cu3PO4
Explanation:
There are two types of chemical compound one is covalent compound and other is ionic compound, covalent compound formed by sharing of electron and ionic compound formed by complete transfer of electron. Therefore, Cu[tex]_3[/tex]PO[tex]_4[/tex] is the formula for copper(I) phosphate(v).
What is chemical Compound?Chemical Compound is a combination of molecule, Molecule forms by combination of element and element forms by combination of atoms in fixed proportion.
An ionic compound is a metal and nonmetal combined compound. Ionic compound are very hard. They have high melting and boiling point because of strong ion bond. Cu[tex]_3[/tex]PO[tex]_4[/tex] is the formula for copper(I) phosphate(v). Cu[tex]_3[/tex]PO[tex]_4[/tex] is an ionic compound with cation Cu⁺¹ and anion as PO₄³⁻.
Therefore, Cu[tex]_3[/tex]PO[tex]_4[/tex] is the formula for copper(I) phosphate(v).
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