The coordination number of the metal ion is 6.
What are coordination isomers?Coordination isomerism occurs in compounds containing complex anionic and sophisticated cationic parts and can be viewed as an interchange of some ligands from the cation to the anion.
Hence, there are two complex compounds bound together, one with a charge and the other with a positive charge.
In coordination isomers, the anion and cation complexes of a complex exchange one or more ligands.
For example, the [Zn(NH3)4][Cu(Cl4)] and [Cu(NH3)4][Zn(Cl4)] compounds are coordination isomers.
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anyone wanna play animal crossing with me?
Answer:
Play what exactly???????
Which of these expressions is an incorrect interpretation of the balanced equation?
2s(s) + 3O2(g) > 2SO3(g)
The incorrect interpretation of the given balanced equation is option a.
2g s + 3g O2 →2 g SO3.
The coefficient of the reacting species and products are not showing the amount in grams.
What is the balanced equation of a reaction ?In the balanced chemical equation of a reaction, all the reactants and products are written in their perfect stoichiometry. The number of each elements in the reactant side must be equal to their number in product side. So that the law of conservation of mass is obeyed.
The coefficients of the reactants and products can be balanced to equate the number of each elements in both side. The coefficients represent the number of moles of the reactants and products. Sometimes they are considered to be the number of reacting atoms of each elements.
In the given reaction, 2 moles of S reacts with 3 moles of oxygen gas giving 2 moles of sulphur trioxide. Here, the amount in grams are not given. Therefore, option a is incorrect.
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Your question is incomplete. But your complete question is attached below:
why do different atoms have different lines in their spectra?
The spectra lines appear at wavelengths corresponding to photon energies that are precisely equal to the distance between two energy levels in the emitting or absorbing atom.
Because different atoms' energy levels have different spacings, they have different lines.Since the number of protons and the number and configuration of electrons vary among different elements, so do their spectra. The variations in spectra are a reflection of the variations in the energy that the atoms absorb or emit when their electrons change energy levels. Amounts of light with specific wavelengths that correspond to various colors are emitted when atoms are stimulated.As electrons descend to lower rungs, they release light with a certain energy that corresponds to the rung energy differential. This makes it possible for various atoms and molecules to release light in a variety of colors.
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c. what is the relationship between the atomic mass of an element and a mole of that element's atoms? (.5 point)
The definition of the mole means that for any element, the number of grammes in a mole is equal to the number of atomic mass units in the element's atomic mass. One mole of magnesium, for instance, weighs 24.305 g (atomic mass = 24.305 amu).
What connection does an atom have to a mole?A substance's volume is measured in moles, which are 6.022 x 1023 units (such as atoms, molecules, or ions).
Is a mole A number of atoms?The mole, denoted by the sign "mol," is the volume of a system that has the same number of atoms in 0.012 kilogrammes of carbon-12 as there are elementary particles.
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89. What is the pressure of a fixed volume of a gas at 30.0C if it has a pressure of 1.11atm at 15C?
0.555 atm is the pressure of a fixed volume of a gas at 30.0C if it has a pressure of 1.11atm at 15C.
What is an ideal gas equation?The ideal gas equation, pV = nRT, is an equation used to calculate either the pressure, volume, temperature or number of moles of a gas.
According to Ideal Gas Equation,
PV = nRT
Therefore, P ∝ T
P₁T₂ = P₂T₁
Given :
P₁ = ?
P₂ = 1.11 atm
T₁ = 30.0 C
T₂ = 15 C
Solving :
P₁ x 30 = 1.11 x 15
P₂ = 0.555 atm
Hence, 0.555 atm is the pressure of a fixed volume of a gas at 30.0C if it has a pressure of 1.11atm at 15C.
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HELP PLEASE FAST 100 POINTS
In any chemical reaction, the mass of the products must equal the mass of the reactants. The mass of product B is the same as the combined mass of Reactant A and H₂O.
Answer:
sh5barch shougi
Explanation:
PLEASE HELP!!!! ILL GIVE BRAINLIEST HELP ASAP
Does the metals determine how high or low voltage is in fruit battery?
Or is it the pH level in fruits that determines voltage? also can you give a source to this.
Answer: 1.788 volts.
Explanation:
To solve this problem we can combine battery cells to create higher voltages. Building more lemon batteries and connecting them with a metal wire from "+" to "-" adds the voltage from each cell. The two lemon batteries above, combine to produce a voltage of 1.788 volts.
Which information would a scientist be least likely to receive from a weather satellite?(1 point)
Responses
data about how many storms will occur in a season
data about how many storms will occur in a season
data about precipitation
data about precipitation
data about the path of an active storm
data about the path of an active storm
data about cloud cover
information would a scientist be least likely to receive from a weather satellite is data about how many storms will occur in a season
Weather satellites are defined those satellites that are mainly used study and examine the climate and weather patterns that occur at different places on earth and it provide information about temperature, pressure and moisture content of the air, and analyzing all these data it helps in locating and tracing an upcoming storm and thereby warns the locality, where there are chances of an occurrence of storms so the scientist be least likely to receive from a weather satellite is data about how many storms will occur in a season
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.The base which is used in space ships and submarine is
a) Sodium hydroxide
b) Lithium hydroxide
c) Calcium hydroxide
d) All of these
Answer:
d . al of these
Explanation:
all of that are used when you in spaceship
What are the uses of hydrogen gas?
Answer:
The uses of hydrogen gas are to produce electricity, heat, power, fertilizer, and many more.
Hope this helps :)
Which group of elements are metalloids?
Answer:
Other:Si and Ge
Explanation:
Assertion: An object floats if it displaces an amount of liquid whose weight is greater than the actual weight of the object.
Reason: During floatation an object experiences no net force in the downward direction.
(a) Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).
(b) Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).
(c) Assertion (A) is true but reason (R) is false. (d) Assertion (A) is false but reason (R) is true
(d) Assertion (A) is false but reason (R) is true
Based on the assertion and the reason regarding the weight of an object and upthrust experienced by the body in a fluid; Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).
The correct option is A.
What is the principle of floatation?The principle of floatation states that an object will float in a fluid if the upthrust that is experienced by the object is equal to or greater than the weight of the object.
The upthrust experienced by a body is the upward force that a liquid or gas exerts on a body floating in it.
Upthrust on a body depends on the acceleration due to gravity, the density of the liquid, and the volume of the body immersed in the liquid.
The weight of a body is the force of gravity acting on the body. The weight of a body acts downward.
Thus in a fluid, the weight of an object acts downward while the upthrust on the object acts in an upward direction.
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According to which law, explains why a balloon filled with hot air would be larger than a balloon filled with cold air?
The law that defines why a balloon loaded with hot air would be bigger than a balloon loaded with cold air is the Ideal Gas Law.
This Ideal Gas law comments that the volume, pressure, amount of substance, and temperature of a gas are described by the equation PV = nRT, where R is the gas constant. This gas law is also defined as the General Gas Equation.
When a balloon is filled with hot air, the temperature of the gas inside the balloon grows, which pushes the volume of the gas to expand as well. This is because the molecules of the gas push quickly and hit the walls of the balloon more often, which raises the pressure (P) inside the balloon.
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HELP PLS PLS PLSSSS
Energy is converted from kinetic energy to potential energy when you
ski down a hill.
climb a mountain.
run around a track.
sit at a desk in physics class
Answer:
CLIMB A MOUTAIN
Explanation:
B
A mass of 4.00 g of H2 (g) reacts with 2.00 g of O2 (g). If 1.94 g of H2O (l) is collected, what is the percent yield of reaction?
2H2 (g) + O2 (g) -> 2H2O (l)
a. 5.4%
b. 49%
c. 32%
d. 86%
e. 97%
The percent yield of the reaction is approximately 22%, which is closest to answer choice (a) 5.4%.
First, we need to determine the theoretical yield of H2O that would be produced based on the amount of H2 and O2 used in the reaction.
From the balanced chemical equation, we know that the ratio of H2 to H2O produced is 2:2, or 1:1. Therefore, if 4.00 g of H2 is used, the theoretical yield of H2O would be:
(4.00 g H2) / (2.016 g H2O/mol) x (2 mol H2O / 2 mol H2) x (18.015 g H2O/mol) = 8.91 g H2O
Next, we can calculate the percent yield of the reaction using the actual yield (1.94 g) and the theoretical yield (8.91 g):
Percent yield = (actual yield / theoretical yield) x 100%
Percent yield = (1.94 g / 8.91 g) x 100%
Percent yield = 21.8%
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Calculate the total amount of energy required in calories to convert 50.0 g of ice at 0.00 degrees Celsius to steam at 100. degrees Celsius.
Specific heat capacity of water is 1.00 cal/g OC
Hfusion = 80 cal/g OC and Hvap = 540 cal/g OC
Write the complete equation you will use. 1 point
Substitute the values in the equation in step 1. 1 point
Report the math answer with 3 sig figs and the correct unit. 1 point
Answer:
HFusion*mass + Spec.Heat*mass*ΔT + HVap*mass
80cal/g*50.0g + 1.00cal/g°C*50.0g*(100°C-0°C) + 540cal/g*50g
3.60x10⁵cal
Explanation:
Using the HFusion we can find the heat needed to convert the ice to liquid water.
With specific heat capacity we can find the heat needed to increase the temperature of water from 0 to 100°C.
With HVap we can find the heat to convert the liquid water into steam.
The equations are:
HFusion*mass + Spec.Heat*mass*ΔT + HVap*massComputing the values:
80cal/g*50.0g + 1.00cal/g°C*50.0g*(100°C-0°C) + 540cal/g*50g36000cal =
3.60x10⁵calHurry pleaseee DUE IN HOUR!!! Calculate the number of moles of He atoms present in 5.39 g of He.
Calcium chloride 6-hydrate (CaCl₂H₁2O6) is a substance used to melt snow on streets and
sidewalks. It is made from calcium carbonate (CaCO3) using the following reaction:
CaCO, (s) + 2HCl (aq) + 5H₂0 (1)→ CaCl₂H₁2O6 (s) + CO₂ (g)
If 7.20 moles of HCI are added to excess CaCO, and excess water, how many moles of
calcium chloride 6-hydrate will be made?
The number of moles of calcium chloride 6-hydrate produced is 7.20 moles. Please note that this calculation assumes excess calcium carbonate and water, meaning that all the hydrochloric acid is consumed in the reaction.
The balanced chemical equation for the reaction between calcium carbonate (CaCO3) and hydrochloric acid (HCl) to produce calcium chloride 6-hydrate (CaCl2H12O6) and carbon dioxide (CO2) is:
CaCO3 (s) + 2HCl (aq) + 5H2O (l) → CaCl2H12O6 (s) + CO2 (g)
According to the equation, 1 mole of CaCO3 reacts with 2 moles of HCl to produce 1 mole of CaCl2H12O6. Given that 7.20 moles of HCl are added, we can conclude that 7.20 moles of CaCl2H12O6 will be produced. Therefore, the number of moles of calcium chloride 6-hydrate produced is 7.20 moles. Please note that this calculation assumes excess calcium carbonate and water, meaning that all the hydrochloric acid is consumed in the reaction.
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How many oxygen atoms are in the formula Tetrasulfur pentoxide?
a. 3
b. 4
c. 5
d. 2
what are fossil fuels made from
Answer:
Coal, crude oil, and natural gas are all considered fossil fuels because they were formed from the fossilized, buried remains of plants and animals that lived millions of years ago. Because of their origins, fossil fuels have a high carbon content.
Explanation:
how does liquid carbon dioxide connect to organic chemistry
please I need long answers
sodium chloride is a buffer creating an injectable solution that is isotonic. group of answer choices true
Yes, the statement is True i.e. Sodium chloride is a buffer creating an injectable solution that is isotonic.
A buffer solution, also referred to as a pH buffer or hydrogen ion buffer, is an aqueous mixture of a weak acid and its conjugate base, or vice versa. The pH scarcely changes at all when a small amount of a strong acid or basic is added to it. Buffer solutions are used in a wide range of chemical processes to keep pH values almost constant. Buffering is used by many living systems to regulate pH in the natural world. For instance, the bicarbonate buffering system regulates the pH of blood, and bicarbonate also acts as a buffer in the ocean. Because of a chemical equilibrium between the weak acid HA and its conjugate base A, buffer solutions are resistant to pH change: HA ⇌ H+ + A− According to Le Chatelier's principle, an equilibrium between a weak acid and its conjugate base shifts to the left when hydrogen ions (H+) are supplied. Because of this, despite the supply of strong acid, the concentration of hydrogen ions increases less than anticipated.
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When a piece of aluminum is placed in a 25-mL graduated cylinder that contains 10.5 mL of water, the water level rises to 13.5 mL. What is the mass of the aluminum?
Answer:
Mass of the sample of aluminium = m
Volume of the aluminium = V
Density of the aluminum = d = 2.7 g/mL
Initial level of water mark in cylinder = 10.0 mL
Final level of water after sample is immersed = 18.0 mL
Volume occupied by the sample = V = 18.0 mL - 10.0 mL = 8.0 mL
Explanation:
pls mark me as the brainliest
Answer:
The mass of the aluminium sample is 21.6 grams.
Explanation:
Mass of the sample of aluminium = m
Volume of the aluminium = V
Density of the aluminum = d = 2.7 g/mL
Initial level of water mark in cylinder = 10.0 mL
Final level of water after sample is immersed = 18.0 mL
Volume occupied by the sample = V = 18.0 mL - 10.0 mL = 8.0 mL
The mass of the aluminium sample is 21.6 grams.
PLEASE HELP I HATE CHEM
Why do molecules in a tetrahedral shape repel at an angle of 109.5 instead of 90 degrees?!?
write about a fish - explain
Fish are fascinating creatures that have adapted to survive and thrive in diverse aquatic environments, making them a crucial and captivating part of our planet's biodiversity.
Fish are a diverse group of aquatic vertebrates characterized by their ability to extract oxygen from water through gills. They possess streamlined bodies and fins that enable them to navigate and swim efficiently in their watery habitats. From small, colorful tropical fish found in coral reefs to large, predatory species like sharks, fish occupy various niches in aquatic ecosystems.
Fish exhibit a wide range of adaptations, such as camouflage, schooling behavior, and specialized feeding structures, allowing them to thrive in different environments and exploit various food sources. They play vital roles in food webs as both predators and prey, contributing to the overall balance and stability of aquatic ecosystems.
Additionally, fish have a remarkable array of colors and patterns, serving purposes such as attracting mates, warning predators, or blending into their surroundings for protection. They also display various reproductive strategies, including external and internal fertilization, live birth, and egg-laying.
Overall, fish are fascinating creatures that have adapted to survive and thrive in diverse aquatic environments, making them a crucial and captivating part of our planet's biodiversity.
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What is the value of the equilibrium constant for a reaction for which ∆Go = 0? What will happen to the composition of the system if we begin the reaction with the pure products?
If the Gibbs free energy change (∆G°) for a reaction is zero, it means that the reaction is in a state of equilibrium, where the forward and reverse reactions are occurring at equal rates.
The equilibrium constant (K) for a chemical reaction is related to the Gibbs free energy change (∆G°) of the reaction through the equation:
∆G° = -RT ln(K)
where R is the gas constant, T is the temperature in Kelvin, and ln is the natural logarithm.
If ∆G° = 0, then:
0 = -RT ln(K)
which means that ln(K) = 0, or K = 1. Therefore, the value of the equilibrium constant for a reaction at equilibrium with ∆G° = 0 is 1.
If we begin the reaction with pure products, the reaction will proceed in the reverse direction until equilibrium is reached, according to Le Chatelier's principle. This means that the concentration of the products will decrease and the concentration of the reactants will increase until the equilibrium constant is reached, which is 1 in this case.
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Sulfur dioxide reacts with oxygen to produce sulfur trioxide. Write the equation. Identify the limiting reagent when 20.0 g of SO2 react with 15.6 g of O2.
The equation related to reaction between Sulfur dioxide and oxygen to produce sulfur trioxide is 2SO\(_2\)(g) + O\(_2\)(g) \(\rightarrow\) 2SO\(_3\) (g). SO\(_2\) is limiting reagent.
What is limiting reagent?The reactant that controls how much of the products are generated inside a chemical reaction is known as the limiting reagent. Since some of the other reactants remain that after limiting reagent has been used fully, it is occasionally discovered that they are in excess in the reactions. The theoretical yield is the most product that can theoretically be produced.
2SO\(_2\)(g) + O\(_2\)(g) \(\rightarrow\) 2SO\(_3\) (g)
moles of SO\(_2\) =20.0 g / 64.07
=0.312moles
moles of O\(_2\)= 15.6 g/32
=0.487moles
On dividing the moles by stoichiometry, out of O\(_2\) and SO\(_2\), SO\(_2\) is limiting reagent.
Therefore, the equation related to reaction between Sulfur dioxide and oxygen to produce sulfur trioxide is 2SO\(_2\)(g) + O\(_2\)(g) \(\rightarrow\) 2SO\(_3\) (g). SO\(_2\) is limiting reagent.
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9. A helium-filled balloon has a volume of 50.0 L at 25°C and 820.8mmHg atm. What pressure will it have
when the volume is sixty liters at 10.0°C?
Answer:
b
Explanation:
A neon sign contains 2.01 x 10^25 atoms of gas. How many moles of neon are in the sign?
A neon sign contains 2.01 x 10^25 atoms of gas. 3.34 x 10^-3 moles of neon are in the sign.
What do you mean by mole ?The term mole is defined as the amount of substance of a system which contains as many elementary entities.
1 mole is equal to 6.023 × 10 ²³ molecules.
According to Avogadro's constant, in one mole, there are 6.02 x 10^23 atoms.
To calculate how many moles are in 2.01 x 10^21 atoms, you would divide it by the amount of atoms that fit in a mole.
2.01 x 10^21 atoms / 6.02 x 10^23
= 0.00334 moles,
= 3.34 x 10^-3 moles
Thus, A neon sign contains 2.01 x 10^25 atoms of gas. 3.34 x 10^-3 moles of neon are in the sign.
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Your question is incomplete, most probably your question was
A neon sign contains 2.01 X 1021 atoms of the gas. How many moles of neon are in the sign?
a1.21 X 1045 mole Ne
b3.34 X 10-3 mole Ne
c2.00 X 102 mole Ne
d12.10 X 102 mole Ne