6.5 moles of AgCl can be formed from 6.5 moles of Ag.
STOICHIOMETRY:
According to this question, silver reacts with hydrochloric acid to form silver chloride and hydrogen gas as follows:
2Ag + 2HCl → 2AgCl + H2
Based on this balanced equation, 2 moles of silver (Ag) produces 2 moles of silver chloride (AgCl).
This means that 6.5 moles of Ag will produce (6.5 × 2)/2 = 6.5 moles of AgCl.
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Given the equation
N2(g) +3H2 (g)--> 2NH3 (g)
1 mole of N2 gas is needed to completely react with 3 moles of H2 gas.
How many molecules of H2 gas are needed?
Answer:
numbers of molecules = 3×6.023×10-23
Can water stay liquid below zero degrees Celsius?
nope it vaporized
.........pls Mark barinlist I
Of the following elements, which one has the smallest first ionization energy?
A. boron
B. carbon
C. aluminum
D. silicon
Answer:
C. Aluminum
Explanation:
Aluminum has 5.9858 ionization energy
Boron has 8.298 ionization energy
Silicon has 8.1517 ionization energy
Carbon has 11.2603 ionization energy
what has fewer organisms then a domain but it also has more organisms then a phylum
Answer:
a species
Explanation:
Leslie is a forensic scientist who is using the precipitin test at a crime scene. What
question is Leslie MOST likely trying to answer?
Answer:
How long has this blood been here?
Explanation:
Answer:
Leslie is a forensic scientist who is using the precipitin test at a crime scene. What question is Leslie MOST likely trying to answer?
Explanation:
Leslie is a forensic scientist who is using the precipitin test at a crime scene. What question is Leslie MOST likely trying to answer? got the answer from quilt
What causes an echo?
refraction
rarefaction
reflection
please help
I really need help please!
Part 1: Name the type of chemical reaction that occurs when aluminum (Al) reacts with copper nitrate (Cu(NO3)2).
Part 2: Explain why aluminum does NOT react with potassium nitrate (KNO3) although it reacts with copper nitrate.
Single-displacement reaction occurs when aluminum reacts with copper nitrate.
Single-displacement reaction is the type of chemical reaction that occurs when aluminum (Al) reacts with copper nitrate (Cu(NO3)2). In this type of reaction, aluminum takes the place of copper and produced aluminium nitrate.
Aluminum does not react with potassium nitrate (KNO3) although it reacts with copper nitrate because potassium nitrate (KNO3) is a stable compound which held each other very tightly so we can conclude that Single-displacement reaction occurs when aluminum reacts with copper nitrate.
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Carbon-12 contains 6 protons and 6 neutrons and electrons. which subatomic particle, if charged, would change identity of the elements.
A. proton
B. neutron
C. electron
D. all of the elements
Which of the liquids will sink in milk?
Answer:
mercury 13.6 has a great density than milk
PLEASE HELP ME I AM HAVING A PANIC ATTACK LOL
Answer:
160.3 g S
Explanation: hope that helps
15 points who can solve help plsss now
Answer:
C. Al and O2
Explanation:
The reactants are the elements or compounds that is becoming the result
So Al and O2
Hope this helps!
How do you convert particles to moles, and mass to moles?
1) 77.56 g of CaCO3 to moles
2) 2.55 x 10^24 molecules of KCl to grams
3) 0.0931 mol of BaCl2 to grams
4) 1.55 x 10^22 molecules to moles
5) 0.664 moles of HF to molecules
6) 86 g of Fe(NO3)3 to moles
7) 7.88 x 10^23 molecules of CO2 to grams
8) 2.93 moles of MgF2 to grams
9) 7.56 g of MgCO3 to moles
10) 8.55 x 10^21 molecules of NaCl to grams
1. mol = 77.56/100 = 0.7756 mol
2. mol = 2.55 × 10^24/6.02 × 10^23 = 4.236 mol mass = 4.236 × 74.5 = 315.582 g
3. mass = 0.0931 × 208.3 = 19.393 g
4. mol = 1.55 × 10^22/6.02 × 10^23 = 0.0257 mol
5. molecules = 0.664 × 6.02 × 10^23 = 3.997 × 10^23 molecules
6. mol = 86/242 = 0.355 mol
7. mol = 7.88 × 10^23/6.02 × 10^23 = 1.309 mol mass = 1.309 × 44 = 57.596 g
8. mass = 7.56 × 62 = 468.72 g
9. mol = 7.56/84 = 0.09 mol
10. mol = 8.55 × 10^21/6.02 × 10^23 = 0.014 mol mass = 0.014 × 58.5 = 0.819 g
recheck to ensure all answers are correct
which option can be classified as a pure substance
A. solution
B. compound
C. homogeneous mixture
D. heterogeneous mixture
Answer:
B. compound
Explanation:
A pure substance can be an element, which consists of only one type of atom and cannot be broken down by a chemical change, or a compound, which consists of two or more types of atoms.
when an electron is acquired by a neutral atom, the energy change is called
Answer:
when an electron is acquired by a neutron atom, the energy change is called its electron affinity
When an electron is added to a neutral atom to create a negative ion, the energy of the atom changes (in kJ/mole). This is how electron affinity is defined. Alternatively put, the possibility of the neutral atom receiving an electron.
What is electron affinity ?The amount of energy released when an electron binds to a neutral atom or molecule in the gaseous state to produce an anion is known as the electron affinity of an atom or molecule.
Although there is a slight distinction between the two, electron gain enthalpy is occasionally also referred to as electron affinity. The amount of energy released when an electron is added to a single gaseous atom is known as the electron gain enthalpy.
The amount of energy released when an atom receives an additional electron is known as its electron affinity. The gaseous state is when electron affinities are measured. On the periodic table, electron affinities tend to shift from negative to positive as we move from left to right.
Thus, when an electron is acquired by a neutral atom, the energy change is called as electron affinity.
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“Burning of fossil fuels causes pollution.” Suggest alternative methods by
which we can overcome this global issue in less than 250 words.
An alternative method by which we can overcome this global issue is by harnessing Solar energy.
Discussion:
Fossil fuels cause environmental pollution. This is because they are organic compounds and on combustion, they release air pollutants such as, Carbon monoxide.
As a panacea, the use of solar panels for harnessing Solar energy in a bid to replace energy from fossil fuels will prove to be am effective method by which we can overcome the global issue of pollution caused by burning of fossil fuels.
Solar energy is a clean source of energy as there's no release of harmful air pollutants.
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Alternative method by which we can overcome this global issue is by
harnessing energy with less form of pollution. These include:
Solar energyHydropowerNuclear energyFossil fuel burning releases greenhouse gases such as Carbon dioxide,
nitrous oxide etc which causes pollution to the atmosphere.
It is best to adopt alternative methods mentioned above to ensure pollution
is reduced to the barest minimum. This helps to prevent ozone depletion and
global warming. It also reduces risks of respiratory diseases due to the
inhalation of the gases.
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the two stages that take place during distillation are. a.evaporation is folloeed by condensation. b.condensation followed by evaporation
Answer:
evapiration followed by condensation
In one to two sentences, explain how to compare the strength of electrostatic forces between molecules in salt water to the strength of electrostatic forces between molecules in freshwater. Include a description of the data to be collected and how that data would allow one to draw conclusions about the relative strengths of the electrostatic forces in the two substances.
The boiling point of salt water is greater than that of fresh water hence the electrostatic forces between molecules in salt water is greater than that between the molecules in salt water.
Fresh water contains does not contain dissolved solutes like salt water. Salt water contains a lot of dissolved mineral salts making the salt water to be rich in ions.
Generally, the boiling points of substances can serve as a measure of the strength of electrostatic forces between molecules in either kind of water. We will easily find the that the boiling point of salt water is far higher than that of fresh water indicating greater electrostatic forces between molecules in salt water than between molecules in fresh water.
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Explain the reason that maps must change over time
Explanation:
Because the place on the map can be changed to another shape by natural effects like faulting,folding , volcanism
Answer:
Maps must change over time as the geographical structures change from time o time. The roads and highways also change often due to the development activities .
look at attachment please help with it, will mark brainliest <3 BUT ONLY IF CORRECT
The boiling points of five liquids have been measured 10 times each by a team of scientists, with fairly consistent results. Which next step would be the most logical?
1. Test a sixth liquid to see if it follows patterns in the rest of the data.
2. Use a new thermometer to make sure that the original one was not faulty.
3. Continue collecting data until exact boiling points can be found.
4. Test the results an eleventh time, and average the new trial into the data.
Answer: Test a sixth liquid to see if it follows patterns in the rest of the data.
Explanation:
took the test
Temperature measures the average kinetic energy of particles of the substances. Therefore, the correct option is option A. Temperature is a physical quantity.
What is temperature?Temperature is used to measure degree or intensity of heat of a particular substance. Temperature is measured by an instrument called thermometer.
Temperature can be measured in degree Celsius °c, Kelvin k or in Fahrenheit. Heat always flow from higher temperature source to lower temperature source.
We can convert these units of temperature into one another. The relationship between degree Celsius and Fahrenheit can be expressed as:
°C={5(°F-32)}÷9
The boiling points of five liquids have been measured 10 times each by a team of scientists, with fairly consistent results. the next step would be to Test a sixth liquid to see if it follows patterns in the rest of the data.
Therefore, the correct option is option A.
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which of the following describes how ice could have once covered warm places such as australia and india
Answer:
U shaped vallies?
Explanation:
(i dont know if this was one of the options)
The energy required to cause a gaseous atom or ion to release a electron is what?
Answer:
The ionization energyExplanation:
The ionization energy is required to cause a gaseous atom or ion to release a electron.
What is the noble gas notation of Titanium in the ground state?
How many molecules are in 0.750 moles of magnesium sulfide?
Answer:
4.51 x 10 to the 23 power
Explanation:
 A car follows a curved highway from point a to point B covering a distance of 50 km and displacement to the east of 40 km in 0.5 hours. What is the speed and velocity of a car in kilometers per hour? Speed: Km/h. Velocity: Km/h.
Distance = 50 Km
Displacement = 40 Km
Time = 0.5 hours
We know, speed = [tex] \sf \frac{distance}{time} [/tex]
Therefore, the speed of the car
[tex] \sf = \frac{50}{0.5} = 100[/tex]
We know, velocity = [tex] \sf \frac{displacement}{time} [/tex]
Therefore, the velocity of the car
[tex] \sf = \frac{40}{0.5} = 80[/tex]
Answer:
Answer:The speed of the car is 100 Km/h. The velocity of the car is 80 Km/h to the east.
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Doubt clarification - use comment section.
Write the charges for each part of this equation.
Answer:
the Aluminium Al have +3 charges and idion have I) have - 2 charges
"It is not the union that organizes the employees; it is management."
The statement "it is not the union that organizes the employees; it is management " means that :
The management creates the climate which allows the union to convince employees to accept union representation.This excerpt shows that although the union helps in the organization of employees for better and easy management of staffs by the management, the management creates an enabling environment by creating stipulations which allows the u ions to convince staffs to join and accept union representation in staff welfare matters.
Hence we can conclude that, the management creates the climate which allows the union to convince employees to accept union representation.
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Please help me, trying to get all my hw done
Answer:
C. size and shape
Explanation:
Physical properties such as size, shape, color, density, magnetism or the
ability to sink or float can be used to separate the substances in a mixture..
Filtration is when matter is passed through a filter and the larger particles
are separated out. Magnets can be used to separate magnetic matter from
non-magnetic matter in a mixture. Objects that float when placed in water
can be separated from those that don’t by placing the mixture in water.
what element generally appears in the formula of an acid
Answer:
Hydrogen, hope this helps :)
what is the empirical formula of butenedioic acid