A line graph would best represent the relationship between pressure and Kelvin's temperature.
The x-axis would represent the Kelvin temperature while the y-axis would represent the pressure. As the Kelvin temperature increases, the pressure should also increase.
As the Kelvin temperature increases, the pressure also increases in a linear fashion. This is because when the temperature increases, the molecules of a gas move faster, resulting in higher pressure.
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what are the two main sources of excess co2 emitted by human activity? some of the carbon emitted by human activity goes into the atmosphere and remains there. where does the rest go?
Two main sources of excess co2 emitted by human activity are fossil fuel combustion and industrial processes.
What is green house gas emission?
Human-related greenhouse gas emissions increase the greenhouse effect and fuel climate change. Coal, oil, and natural gas combustion produce the majority of carbon dioxide. Carbon dioxide, methane, nitrous oxide, and smaller trace gases like hydrofluorocarbons (HFCs) and sulfur hexafluoride are only a few of the gases that make up total greenhouse gas emissions (SF6).
Of the CO2 produced by human emissions, only around 50% is still in the atmosphere. Uptake into the land biosphere and ocean account for the remaining amount, roughly split equally.
Therefore two main sources of excess co2 emitted by human activity are fossil fuel combustion and industrial processes.
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if the planet in question is the earth, at what temperature does the average translational kinetic energy of a nitrogen molecule (molar mass 28.0 g/mol ) equal that required to escape? use the radius of the earth is rp
If a planet is the earth, a nitrogen molecule's average translational kinetic energy, equivalent to the energy needed to escape, is 1.402*105K.
Nitrogen gas makes up about 80% of the Earth's atmosphere. An perfect gas's molecules have an average translational kinetic energy of 641. 7 × 10 − 23 J. the average translational kinetic energy of a molecule at 1000 K, where the vapours act optimally. Due to atomic nitrogen molecule's have high level of reactivity, elemental nitrogen typically exists as the molecular N 2, dinitrogen. Nitrogen is the seventh element on the periodic table between carbon and oxygen. It plays a significant role in amino acids. Nitrogen gas makes up about 80% of the Earth's atmosphere.
Conversions of kinetic energy
3/2*K*T = 1/2*m*V^2
T = 2*Mg*Rp/3NaK
T = 2*28*10^-3*9.8*6371*1000/3*8.31
T = 1.402*10^5k
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a buffer solution contains 0.432 m c6h5nh3br and 0.373 m c6h5nh2 (aniline). determine the ph change when 0.106 mol koh is added to 1.00 l of the buffer.
The pH change when 0.106 mol KOH is added to 1.00 l of the buffer is 0.238
given that :
molarity of C₆H₅NH₃Br = 0.432 M
molarity of C₆H₅NH₂ = 0.373 M
pOH = pkb + log [acid] / [base]
pOH = 9.366 + log (0.432) / (0.373)
pOH = 9.366 + 0.0718
pOH = 9.437
pH = 14 - 9.437
pH = 4.563
after 0.106 mol of KOH is added to 1 L
[C₆H₅NH₃Br] = 0.432 - 0.106 = 0.326
[C₆H₅NH₂ ] = 0.373 + 0.106 = 0.479
pOH = pkb + log [salt] / [acid]
pOH = 9.366 + log (0.326) / 0.479)
pOH = 9.366 - 0.167
pOH = 9.199
pH = 14 - 0.199
pH = 4.801
the pH change is = 4.801 - 4.563
= 0.238
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Which option describes a situation in which reduction occurs?(1 point)S2– becoming S
a. Cl2 becoming Cl–
b. Al becoming Al3+
c. Xe2+ becoming Xe6+
In that reaction, reduction has taken place when the oxidation number is reduced, resulting in Cl2 becoming Cl.
How does oxidation work?Oxidation is the process in which a reactant oxidises during a reaction. Reduction is the term used to describe a reaction in which a reactant picks up electrons. This happens frequently when acid and metals interact. Oxidation is the process in which a reactant oxidises during a reaction.
Who or what causes the oxidation?Oxidation occurs when an element, peptide, other ion loses one or maybe more electrons during one chemical reaction. While oxidation is happening, the oxidation status of the chemical species rises. Oxygen is not always required for oxidation to occur. The expression was first used to describe how oxygen caused significant ion transfer during a process.
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What is the conjugated acid of the base HONH2?
HONH2 has a positive HONH3 conjugate acid. The conjugate acid is hence HONH3 positive.
What is H2O's conjugate acid?H3 O+1 is the conjugate acid of H2 O. The electrical charge on water increases by one when one hydrogen ion is added. Hydrogen is also known as H3 O+1.
What is the H2N - conjugate acid?The weakest of the conjugate acids listed is NH3, which is the conjugate acid of H2N-. H2N- will therefore be the most powerful basis. Therefore, NH3 would be the conjugate acid for NH2 since the negative charges of NH2 and H+ cancel each other out.
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acetaminophen is insoluble in water, soluble in sodium hydroxide solution, insoluble in hydrochloric acid, and insoluble in dichloromethane. if your panacetin sample contained acetaminophen, where would it be separated in the separation scheme? explain your reasoning.
It would fail at the first step because the acetaminophen and sucrose would stay solid and would not be separated due to both being insouble in DCM.
A method that courts might employ to modify the case management procedure to meet the needs of specific cases is differentiated case management (DCM). DCM offers a method for handling each case in accordance with the amount of time and resources needed from the legal system.
If you simply have a few points or a small budget, the Discrete Control Module (DCM) is the ideal option for controlling equipment at remote locations. You can control up to 16 control relays while keeping an eye on two alarm inputs.
Acetaminophen, usually referred to as paracetamol, is a drug used to treat fever and mild to moderate discomfort. Tylenol and Panadol are examples of popular brand names.
It lowers temperature and eases pain.
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Why is balancing chemical equations important?
Answer:
Pls rate as brainliest
Explanation:
This is because it tells about the number of moles reacting and producing. Also, it tells the amount of electrons transferred from one compound to another. Balancing/ balanced equation also tells about the energy changes that take place.
You have solid chemicals more than you what you need. You should:
You have solid chemicals more than you what you need. You should: call 1-800-222-1222
What is a solid chemical?Salts, mica, and diamond are a few examples. Metals: Elements and alloys make up solid metals, such as silver (e.g., steel). Generally speaking, metals are brittle, malleable, ductile, and good heat- and electricity-conductors. Ceramics: Ceramics are inorganic compound solids, typically oxides.
Call 1-800-222-1222 to talk with a regional poison control center in the United States. Calling this hotline number can connect you with poisoning specialists. They will provide you with more details. If you have any inquiries regarding poisoning, overdose, or overdose prevention, you should dial.
Never put used chemicals back in their containers. By doing this, you will contaminate it. Put the leftovers in the appropriate "waste container" for disposal.
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What is the average atomic mass of gold if half of the gold found in nature has a mass of 197 amu and half has a mass of 198 amu?
The average atomic mass of gold if half of the gold found in nature has a mass of 197 AMU and half has a mass of 198 AMU is 197.5 AMU.
Atomic mass is the mass of an atom measured in atomic mass units (AMU). It is calculated by taking the average of the masses of all the isotopes of an element. Gold has two naturally occurring isotopes: gold-197 (Au-197) and gold-198 (Au-198). Gold-197 has a mass of 197 AMU, and gold-198 has a mass of 198 AMU.
To calculate the average atomic mass of gold, we need to take the weighted average of the masses of the two isotopes. We can do this by multiplying the mass of each isotope by its relative abundance in nature, and then adding the products together:
Average atomic mass of gold = (197 x 0.5) + (198 x 0.5)
The average atomic mass of gold = 197.5 AMU
Therefore, the average atomic mass of gold if half of the gold found in nature has a mass of 197 AMU and half has a mass of 198 AMU is 197.5 AMU.
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. which of the package labels below would indicate the lowest external radiation hazard? a. radioactive yellow-ii. b. radioactive white-i. c. radioactive yellow-iii.
The Radioactive White-I label is attached to packages with extremely low levels of external radiation.
When transporting low-level radioactive materials, what form of packaging is used?Excepted Packaging is used to carry radioactive materials that have extremely low amounts of radioactivity. Excepted packaging is permitted for small amounts of radioactive material that would represent a very minimal risk if discharged in an accident.
Type C packaging is an overpack for the transport of radioactive materials with no activity restrictions by any mode of transportation, including airplanes. The Type C package must retain its containment after impacting a target at 90 m/s (this is similar to a fall from a height of 450 m).
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the substance triethanolamine is a weak nitrogenous base like ammonia. write a net ionic equation to show that triethanolamine, c6h15o3n, behaves as a bronsted-lowry base in water.
Net Ionic equation is
C6H15O3N (aq) + H2O (l) ---------------> C6H15O3NH+ (aq) + OH- (aq)
What is Ionic equation?
A large number of the single-replacement and double-replacement reactions involved ionic compounds, such as those involving metals and nonmetals or those containing identifiable polyatomic ions. Now let's examine more closely at ionic compound-containing processes.
Ionic compounds differ from molecular compounds in a number of significant ways, one of which has to do with how easily they dissolve in a liquid like water. The molecules drift apart from one another as molecular substances, like sugar, disintegrate in water. Ions in ionic compounds physically separate from one another when they dissolve. To illustrate this process, we can use a chemical equation. For instance, using NaCl
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Question 45 4.00 moles of sodium have a mass of 0 11.08 0 44.03. 92.03. 4603
4.00 moles of Sodium have a mass equivalent to 92 grams.
Sodium contains 12 neutrons and 11 protons and has a mass number of 23, which means one mole (6.022 X 1023) of sodium have a mass of 23 grams
Atomic mass of Sodium =23 grams/mol
Mass of 1.00 mole of sodium = 23 grams
Mass of 4.00 moles of sodium = 4 X 23 grams
= 92 grams
Therefore, 4.00 moles of Sodium have a mass equivalent to 92 grams.
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which of the following are spontaneous processes? 1. ice melting at 1atm and 298 k (assume only ice is initially present). 2. heat flowing from a hot object to a cold object. 3. an iron bar rusting.
The following are spontaneous processes are : 1. ice melting at 1atm and 298 k (assume only ice is initially present). 2. heat flowing from a hot object to a cold object. 3. an iron bar rusting.
The spontaneous process is the process which occur without the outside source and within the system. so, the spontaneous process is that occurs by its own without any external source of energy from the out side . the given process are :
ice melting at 1atm and 298 k (assume only ice is initially present) heat flowing from a hot object to a cold objectan iron bar rustingThus, These all given process are the spontaneous process. which occurs by its own without any external source.
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5.0 g of c8h18 are burned in a bomb calorimeter with 750 g water, and there is 10.0∘c increase in temperature when 32.0 kj of heat is released. what is the heat capacity of the calorimeter?
Heat capacity of the Calorimeter is 62 J /degree Celsius
Heat released during the burning of 5g octane = 32000J
Heat gained by the water q = mCpΔT
q = 750 * 4.184*10 = 31380 J
The Calorimeter absorbs the remaining energy
Heat capacity of the Calorimeter = 32000 - 31380 = 62J/degree Celsius
An object must receive a certain amount of heat to cause a unit change in temperature, which is known as its "heat capacity" or "thermal capacity," a physical attribute of matter. J/K, or joule per kelvin, is the SI unit for heat capacity.
One of several properties is heat capacity. By dividing an object's heat capacity by its mass, one can determine the corresponding intense property, known as the specific heat capacity. The molar heat capacity of a substance is obtained by dividing its heat capacity by the number of moles in the substance. Measured in terms of volumetric heat capacity, heat capacity is measured per volume. The thermal mass of a structure is a term frequently used in architecture and civil engineering to describe its ability to hold heat.
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Indicate how many stereoisomers are possible for each compound.
square planar [Pt(NH3)2Cl2]
tetrahedral [NiCl2Br2]^2-
octahedral [PtCl4Br2]^2-
There are six stereoisomers of PtCl4Br2. They are PtCl4Br2, PtCl4Br3, PtCl4Br4, PtCl4Br5, and PtCl4Br6.
What is stereoisomers ?In stereochemistry, stereoisomerism, also known as spatial isomerism, is a type of isomerism in which molecules with the identical molecular structure and atom-bonding order (constitution) change in the three-dimensional spatial orientations of their atoms. When compared to structural isomers, which have the same chemical formula but have different bond arrangements or bond connections, this is not the case. Stereoisomers of one another's molecules are said to be the same structural isomer by definition.
Stereoisomers are isomers with the same composition but different orientations of those parts in space, according to a general definition. Enantiomers and diastereomers are the two types of stereoisomers that exist. When compared to diastereomers, which are everything else, enantiomers are mirror images, much like one's hands. Timescale and energy are crucial, though, as was already mentioned.
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Calcium carbonate has the formula CaCO3. What is the charge on the polyatomic carbonate ion? Select one
The polyatomic carbonate ion is charged with a value of -2. Calcium carbonate has the chemical formula CaCO3. One carbon atom and three oxygen atoms make up carbonate,
A polyatomic carbonate ion contains 2 more electrons than protons due to its negative charge. Its propensity to combine with alkali and alkali earth metals to generate salt compounds distinguishes carbonate, a malleable polyatomic ion. Its propensity to combine with alkali and alkali earth metals to generate salt compounds distinguishes carbonate, a malleable polyatomic ion. Several different types of sedimentary rocks mostly consist of carbonate compounds, the most well-known of which being limestone, which is primarily made of calcium carbonate (CaCO 3).
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QUESTION 27 The major chemical structures of hormones include
O polysaccharides, esters, and steroids. 2 points only molecules containing amine groups.
O steroids, amino acid derivatives, and esters.
O steroids, polypeptides, and anino acid derivatives. only steroids.
Answer will be fourth option : steroids, polypeptides and amino acid derivatives.
What are steroids?
Steroids, also called corticosteroids, are anti-inflammatory drugs used to treat a variety of conditions.
These are different from anabolic steroids, which are used illegally to increase muscle mass. Unpleasant side effects such as increased appetite, mood swings, and sleep disturbances may occur. This is most common with steroid tablets.
Side effects usually go away when treatment is stopped, but do not stop taking the medicine without talking to your doctor. Stopping prescribed medications can cause other unpleasant side effects (withdrawal symptoms).
Therefore, answer will be fourth option : steroids, polypeptides and amino acid derivatives.
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the molar mass of sucrose, or table sugar, is 342 grams. calculate how many grams of sucrose are required to make 3.0 liters of 0.50 m sucrose solution.
Grams of sucrose are required to make 3.0 liters of 0.50 m sucrose solution is 513 g.
The given data as :
molar mass = 342 g /mol
molarity of sucrose = 0.50 M
volume of sucrose = 3 L
The molarity expression is given as :
molarity = moles / volume in L
moles = molarity × volume
moles = 0.50 × 3
moles = 1.5 mol
the mass = moles × molar mass
= 1.5 × 342
= 513 g
Thus, the molar mass of sucrose, or table sugar, is 342 grams. grams of sucrose are required to make 3.0 liters of 0.50 m sucrose solution is 513 g.
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What is molecular geometry of SCl3 ion? trigonal pyramidal trigonal bipyramidal trigonal planar T-shaped
Molecular geometry of given compound is Trigonal Bipyramidal
Number of valence electrons in sulfur is 6.
On taking an electron, valence electron in sulfur is 7 making it [tex]S^{-}[/tex]
Out of these 7 valence electrons, three will get bonded with three monovalent chlorine making three covalent S-Cl bonds.
And 2 lone pairs.
Which makes clear that [tex]S^{-}[/tex] will make 5 electron systems, out of which two re lone pairs and three are bonds with chlorine.
So, the ionic molecule will undergo the hybridization of [tex]sp^{3}d[/tex]
And the molecular geometry will be Trigonal Bipyramidal.
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what atomic or hybrid orbitals make up the bond between c1 and c2 in propylene, ch2chch3?
The triple bond between C1 and C2 is formed by the hybrid orbitals spsp s p s p.
What is the molecular shape VSEPR theory, often known as the valence-shell electron-pair repulsion theory?
The fundamental idea in molecular structures is known as valence shell electron pair repulsion (VSEPR). It basically says that electron pairs are attracted to one another and want to keep as far away as possible because they are made up of negatively charged particles.
What are the three fundamental assumptions of the VSEPR theory?
Since electron pairs are negatively charged, they will go as far apart as they can. Instead of bound electron pairs, lone pairs use up space. In comparison to single bonds, double bonds
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a) (3 pts) Draw the Lewis structures of ICN, I, and CN_ b) (2 pts) Which of these particles obey the octet rule and which do not? c) (6 pts) The decomposition occurred under the action of light with the wavelength 306 nm. A single pulse of such light had a duration of 350 fs and energy of 150 QU. How many photons were present in the pulse? Report the answer to two significant figures: d) (4 pts) If this laser kept working continuously for 1.0 minute; how many Joules of energy would it deliver? e) (2 pts) After the laser flash, the atoms and CN radicals quickly react with each other in the dark yielding a mixture of the original ICN and also some Iz and (CN)z: Draw the Lewis structures of Iz and (CN)z:
Octet rule is obeyed by I and CN and ICN don't follow the rule. 350 Joules of energy would the laser light deliver.
The octet rule, a chemical guideline, is based on the idea that main-group elements normally bind so that each atom has eight electrons in its valence shell, giving it the same electrical configuration as a noble gas. The rule is particularly applicable to carbon, nitrogen, oxygen, and halogens, while it is more generally applicable to the s-block and p-block of the periodic table. The 18-electron rule for transition metals or the duplet rule for hydrogen and helium, for instance, apply to other elements. The valence electrons can be counted using a Lewis electron dot diagram, like the one for carbon dioxide on the right. The two shared electrons in a covalent link are counted twice, one for each atom. Four electrons are shared by each oxygen atom in carbon dioxide, two from the oxygen itself (shown in red) and two from the carbon. It can be claimed that both the carbon octet and the oxygen octet follow the octet rule because they both count all four of these electrons.
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how many protons would the element with the atomic number 10 contain?responses
The same as 10, since its number of protons of an element is defined by the amount of protons that make up its atom.
What is the name for protons?Protons are really a type of particle with only a positive ions. The strong nuclear interaction holds protons together in the nucleus of an atom. The atom known as a neutron has no charge, making it neutral.
Three things to know about protons is?In the atom's nucleus, protons are negatively charged ions. Each element, whether created in a lab or in nature, has at most one proton. Protons and neutrons both have the same mass, however a proton is 1840 times heavier than an electron. The negatively charged particles known as electrons revolve along the outside of the nucleus.
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Why noble gases are non-reactive?
Noble gases are non-reactive due to having a valence outermost shell.
In the field of chemistry, noble gases can be described as gases that are present in group 8 of the periodic table of elements.
All noble gases have their outermost shell that is full. This means that the outermost shell has valence electrons in its outermost shells and their valency is complete. Hence, noble gases do not take or lose electrons.
As there is no exchange of electrons for noble gases due to their achieved valency of outermost shells, hence noble gases are non-reactive. No other group of elements in the periodic table has outermost valence electrons and hence shows some kind of reactivity.
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calculate the ph of a solution that contains 5 % (w/w) ammonia solution and has a density of 0.977 g/ml. (pka
The pH of a solution that contains 5 % (w/w) ammonia solution and has a density of 0.977 g/ml is 11.13.
NH3 + H2O ⇄ NH4 + OH-
Kb = [NH4+][OH-] ÷ [NH3]
1.8 x 10 to the power -5 = x2/0.1
[OH-][H+] = 1.34 x 10 the power -3 [H+] 0.977 = 11.13
pH stands for potential of hydrogen - To trace the pH scale, a group of standard solutions whose pH has been established by international agreement can be employed. The potential difference between a hydrogen electrode and a standard electrode, such as the silver chloride electrode, is measured using a concentration cell with transference to obtain the primary pH standard values. The pH of aqueous solutions can be measured using a glass electrode, a pH meter, or a color-changing indicator. pH measurements are important in many fields, including chemistry, agronomy, medicine, water treatment, and many more. Indicators can be used to monitor pH since their colors alter as the pH varies. The hue of a test solution can be visually compared with a reference color chart to determine pH precisely to the closest whole integer. More precise readings are possible if the color is measured spectrophotometrically using a colorimeter or spectrophotometer. A universal indicator, which displays a continuous color change from roughly pH 2 to pH 10, is composed of several indicators.
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100 ml of a 0.300 m solution of agno3 reacts with 100 ml of a 0.300 m solution of hcl in a coffee-cup calorimeter and the temperature rises from 21.80 °c to 23.20 °c. assuming the density and specific heat of the resulting solution is 1.00 g/ml and 4.18 j/g ∙ °c, what is the mass of the reaction solution?
Mass of the reaction solution ΔH°rxn = 39013.33 J/mol = 39.013 kJ/mol.
Q = m.c.ΔT,
m is the mass of the solution (m of the solution = density of the solution x volume of the solution = (1.0 g/mL)(200 mL) = 200 g.
c is the specific heat capacity of the solution (c = 4.18 J/g∙°C).
ΔT is the difference in the T (ΔT = final temperature - initial temperature = 23.20 °C - 21.80 °C = 1.4 °C).
Q = m.c.ΔT = (200 g)(4.18 J/g∙°C)(1.4 °C) = 1170.4 J.
ΔH°rxn = Qrxn/(no. of moles of AgNO₃).
Molarity (M) is defined as the no. of moles of solute dissolved in a 1.0 L of the solution.
M = (no. of moles of AgNO₃)/(Volume of the solution (L)).
no. of moles of AgNO₃ = (M)(Volume of the solution (L)) = (0.3 M)(0.1 L) = 0.03 mol.
ΔH°rxn = Qrxn/(no. of moles of AgNO₃) = (1170.4 J)/(0.03 mol) = 39013.33 J/mol = 39.013 kJ/mol.
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Which of the following solution is isotonic with 0.06 %( w/v aqueous solution of urea?
A. 0.01 M glucose solution
B. 0.06% glucose solution
C. 0.01 M glucose solution
D. 0.6% glucose solution
C, 0.01M glucose solution is the appropriate selection. The urea solution's molarity is 0.01 M glucose solution(option c)
That which is an isotonic aqueous solution?
Isotonic solutions are those in which the val.ue of is the same. A and C are therefore isotonic with the specified NaCl solution.
What sort of thing is an isotonic?
IV fluids known as isotonic solutions have a comparable level of dissolved particles to blood. Normal saline, or 0.9% sodium chloride, is an illustration of an isotonic IV solution.
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Draw the electron configuration for neutral atom of vanadium.
Vanadium has the following electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d3.
Which element has a 1s2 2s2 2p6 3s2 3p6 4s2 3d3 electrical configuration?Vanadium (V), if you're thinking about a neutral atom, has that specific arrangement of electrons. The atomic mass of Vanadium, a transition metal in the fourth row, group 5 of the periodic table, is 23, which is the same as the atomic mass of the atom you're looking for, with which it shares a similarity.
What is the atomic structure of vanadium?The atomic radius of vanadium is 0.134 nm, and its electronic configuration is (Ar)(3d)3(4s)2. Vanadium has a body-centred cubic crystal structure with one atom per lattice point at ambient temperature. 0.303 nm is the lattice parameter.
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identify the number of unique h1 nmr and c13 nmr signals for each compound. a. benzene benzene. a six carbon ring with three internal double bonds. how many h1 nmr signals are in a? 1 how ma
The number of unique H¹ NMR ( proton nuclear magnetic resonance) signals for each compound is it shows only one signal.
The benzene contains the 6 carbon atoms and the 6 hydrogen atoms. the benzene have six protons and all the six protons are the chemical equivalent. they have the same bonding and have the same chemical environment to the each other. they have the same resonance frequency in the H¹ NMR signal in the experiment . that's the reason that the benzene shows only one signal.
Thus, benzene show one signal for the unique H¹ NMR , proton nuclear magnetic resonance experiment.
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Draw the Lewis structure for sulfur monoxide (SO) molecule
The Lewis structure is attached below:
What is the Lewis structure?Lewis structures also called electron dot structures, or Lewis electron dot structures, are diagrams that show the bonding between atoms of a molecule, as well as the lone pairs of electrons that may exist in the molecule.
The Lewis rule states that Hydrogen atoms form only single bonds and they are always at the ends of a sequence of atoms. Hydrogen often is bonded to carbon, nitrogen or oxygen. Oxygen atoms usually do not bond to each other, except for O2, O3, superoxides and peroxides.
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hydrated cobalt chloride consists of pink crystals. When it is heated in a test tube, it turns blue, and drops of liquid are seen at the top of the test tube. This reaction is reversible.
Suggest the identity of the drops of liquids and a way to test your answer.
The compound that is in the liquid is water.
What is the drop of liquid?We know that the compound cobalt chloride can be used to test for the presence of water. The reason why we can be able to use the compound to test for the presence of water is the fact that the color of the anhydrous and the hydrates salt is not the same.
The anhydrous salt is blue in color and that is why the heating of the hydrated salt would make it to turn blue while the hydrtaed compound is foud to be pink in color. Addition of water an removal of water is able to change the color of cobalt chloride.
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