if the ph of phosphoric acid is 1.5 what is its molarity?

The metal you can insert in aqueous solution of cobalt(ii) nitrate and displace cobalt is zinc.

Electrochemical series is as know as reactivity series. The electrochemical series list metals in order of decreasing reactivity.

Generally, metals higher up in the series than cobalt metal will displace cobalt(ii) ions from it solution and produce cobalt metal. Therefore, Metals like Zinc will displace cobalt(ii) form it compound.

The reaction with a solution of cobalt (II) nitrate can be represented as follows:

Co(NO₃)₂ + Zn → Zn(NO₃)₂ + Co

learn more on displacement here: https://brainly.com/question/6462267

Answer:

they were facing the oppisite ways

Explanation:

According to the mixed melting point concept, this result may indicate that: b.)trimyristin was not hydrolyzed to myristic acid.

A hydrolysis reaction is that reaction in which one molecule breaks apart to form multiple smaller molecules. Acidic hydrolysis of an ester produces carboxylic acid and an alcohol. Basic hydrolysis that is saponification of an ester gives carboxylate salt and alcohol.

Any chemical reaction in which a molecule of water breaks one or more chemical bonds is called hydrolysis. The term is used mainly for substitution, elimination, and solvation reactions in which water is the nucleophile.

To know more about hydrolysis reaction, refer

https://brainly.com/question/30468294

#SPJ1

Note: The question given on the portal is incomplete. Here is the complete question.

Question: Suppose a student hydrolyzes trimyristin to myristic acid and wants to confirm if the reaction works. During the melting point measurement, a 50:50 mixture of the starting trimyristin and the product myristic acid is found to have the same melting point as that of trimyristin. According to the mixed melting point concept, the result indicated that:

a. trimyristin was hydrolyzed to myristic acid

b. trimyristin was not hydrolyzed to myristic acid

c. trimyristin is the same as myristic acid

d. trimyristin was decomposed during the hydrolysis reaction

e. none of the above

Answer:

The volume of 5.0 g CO2 is 2.6 L CO2 at STP.

Explanation:

hope this helps :)

Answer:

Because it is made of a hardened liquid that is extremely sensitive to heat

Explanation:

Brainliest?

\(SrBr_{2}\)

Chemical formulas are a way to show the elements and the amount of each element present in a compound.

Element Symbol

To write a chemical formula you need to use their chemical symbols. So, we need to find the symbols for strontium and bromide.

Charges

However, elements do not combine in random ratios. The ratios are based on charges so that all compounds have a neutral charge. Elements will have different subscripts to ensure that compounds have a neutral overall charge. So, to correctly write the formula we need to know the charges Sr and Br have when they became ions.

To cancel the positive 2 out, we must have 2 bromines. That means the final formula for strontium bromide is \(SrBr_{2}\). Now, the compound has a charge of 0.

There are 1.81 × 10^24 caffeine molecules (C₈H₁₀N₄O₂) in 3 moles of C₈H₁₀N₄O₂.

One mole of a substance has 6.022 × 10²³ particles. This number is known as Avogadro's number. The molecular mass of caffeine is 194.19 g/mol. Thus, 3 moles of caffeine have a mass of 3 × 194.19 = 582.57 g. Moles = Mass/Molecular mass = 582.57 g / 194.19 g/mol = 3 moles. 1 mole of caffeine contains 6.022 × 10²³ molecules. Thus, 3 moles of caffeine contain 3 × 6.022 × 10²³ = 1.81 × 10²⁴ molecules.

Caffeine has the chemical formula C₈H₁₀N₄O₂. Therefore, 1 molecule of caffeine contains 8 carbon atoms, 10 hydrogen atoms, 4 nitrogen atoms, and 2 oxygen atoms. Therefore, the total number of atoms in one molecule of caffeine = 8 + 10 + 4 + 2 = 24. Hence, 3 moles of caffeine will contain 1.81 × 10²⁴ caffeine molecules x 24 atoms/molecule = 4.34 × 10²⁵ atoms.

Learn more about caffeine here:

https://brainly.com/question/15691871

#SPJ11

The point at which an indicator changes color is called the endpoint of a titration.

This is the point at which the amount of titrant added is stoichiometrically equivalent to the amount of analyte present in the sample. At this point, a small further addition of titrant causes a noticeable change in the color of the indicator, which indicates that the endpoint has been reached.

The color change occurs due to a change in the chemical structure of the indicator molecule, which is sensitive to the pH of the solution. The exact point at which the color change occurs depends on the pKa value of the indicator and the pH of the solution. Different indicators have different pKa values and are therefore more suitable for different types of titrations.

To know more about indicator, here

brainly.com/question/13785316

#SPJ4

Answer:

Conduction

Explanation:

Based on Le Chatelier's principle, decreasing the rate of oxidative phosphorylation will decrease the ATP/ADP ratio and not the NADH/NAD+ ratio.

Oxidative phosphorylation is the process by which ATP (adenosine triphosphate) is synthesized using energy derived from the electron transport chain and the oxidation of substrates such as NADH (nicotinamide adenine dinucleotide). The ATP/ADP ratio is a measure of the high-energy charge in the cell, indicating the availability of ATP for cellular processes.

Le Chatelier's principle states that when a system in equilibrium is subjected to a stress, it will adjust to counteract the effect of that stress and reach a new equilibrium. In this case, decreasing the rate of oxidative phosphorylation would be a stress on the system.

When the rate of oxidative phosphorylation decreases, there will be a decrease in ATP production, resulting in a decrease in the ATP/ADP ratio. The system will respond to this stress by shifting the equilibrium to favor the production of ATP to restore the balance.

On the other hand, the NADH/NAD+ ratio is primarily determined by the redox state of the cell and the activity of the electron transport chain. It is not directly affected by the rate of oxidative phosphorylation.

Based on Le Chatelier's principle, decreasing the rate of oxidative phosphorylation will decrease the ATP/ADP ratio and not the NADH/NAD+ ratio.

To know more about oxidative visit:  

https://brainly.com/question/13182308

#SPJ11

Answer:

usually the perfumes are made of aromatic hydrocarbons invloving

cetone, ethanol, benzaldehyde, formaldehyde, limonene, methylene chloride, camphor, ethyl acetate, linalool and benzyl alcohol. which have density lower than the water hence they will float on the top of the water.

Hope this helps you

Explanation:

Approximately 0.628 grams of aluminum are required to react with 35 ml of 2.0 M hydrochloric acid.

To determine the grams of aluminum required to react with 35 ml of 2.0 M hydrochloric acid (HCl), we need to consider the stoichiometry of the balanced chemical equation.

The molar ratio between HCl and aluminum (Al) in the balanced equation is 6:2, which means 6 moles of HCl react with 2 moles of aluminum. From the given concentration of HCl (2.0 M) and volume (35 ml), we can calculate the moles of HCl:

moles of HCl = concentration × volume

              = 2.0 M × 0.035 L

              = 0.07 moles

Using the stoichiometry ratio, we can determine the moles of aluminum required:

moles of Al = (2/6) × moles of HCl

                = (2/6) × 0.07

                = 0.0233 moles

Finally, we can convert the moles of aluminum to grams using its molar mass (26.98 g/mol):

grams of Al = moles of Al × molar mass

              = 0.0233 mol × 26.98 g/mol

              = 0.628 g

Therefore, approximately 0.628 grams of aluminum are required to react with 35 ml of 2.0 M hydrochloric acid.

learn more about hydrochloric acid here:

https://brainly.com/question/14006357

#SPJ11

Answer:

one mole

There is one mole of carbon atoms in a 0.500-mole sample of C2 H6.

The moles of carbon atoms in 0.500 moles of \(C_2H_6\) is 1.00 mol

In the International System of Units, Mole is the base unit of the amount of any substance.

The reaction is

\(2C + 3H_2 = C_2H_6\)

Now, there is 2 mol of carbon, 3 mol of hydrogen, and 1 mol of ethane.

If 2 mole of carbon is present in one mol of ethane.

Then, in 0.500 ethane there will be half of the mole of carbon present that is 1.

Thus, there are 1.00 moles of carbon present.

Learn more about a mole, here:

https://brainly.com/question/15209553

The theoretical yield of this reaction in grams is approximately 1.54 g.

The theoretical yield of a reaction is the maximum amount of product that could be obtained if the reaction went to completion. In this case, since we know the actual yield (0.97 g) and the percent yield (63.1%), we can use this information to calculate the theoretical yield.

First, we can use the percent yield formula to calculate the actual amount of product that was expected based on the theoretical yield:

Percent yield = (actual yield / theoretical yield) x 100

Rearranging this formula, we can solve for the theoretical yield:

Theoretical yield = actual yield / (percent yield / 100)

Plugging in the values we know, we get:

Theoretical yield = 0.97 g / (63.1 / 100) = 1.54 g

Therefore, the theoretical yield of this reaction is 1.54 g. This means that if the reaction had gone to completion, we would have expected to obtain 1.54 g of product. The actual yield of 0.97 g represents only 63.1% of the theoretical yield.

Learn more about theoretical yield at https://brainly.com/question/25996347

#SPJ11

#CarryOnLearning

Answer:

ME ADJUA

Explanation:

Relacione consumo e descarte de materiais.

Answer:

Mg(NO3)2 is the formula of manganese (IV) nitride.

The formula for Manganese (IV) nitride is Mn3N4.

Manganese (IV) nitride is represented by the chemical formula Mn3N4. It consists of three manganese atoms (Mn) and four nitrogen atoms (N). The Roman numeral IV indicates that manganese has a +4 oxidation state in this compound.

Its powder can be used in the preparation of other nitride compounds with high hardness, high thermal conductivity, corrosion resistance, wear resistance and high temperature resistance properties.

Read more about manganese

brainly.com/question/28533522

#SPJ6

In a voltaic cell, a salt bridge is needed to allow the motion of ions between the terminals. In the salt bridge, anions move toward the anode and cations move toward the cathode.

A voltaic cell is an electrochemical device that harnesses the power of a chemical process to generate electrical energy. A voltaic cell's key components are:

When an electrode is dipped into the electrolyte at the electrode and electrolyte contact surface in a voltaic cell, the electrode's atoms tend to produce positive ions in the electrolytic solution while leaving the electrode's electrons unaffected. The electrode thus acquires a negative charge.

Additionally, the electrolytic solution's positive ions have a propensity to deposit on the electrode, giving it a positive charge. The electrodes get positively or negatively charged in relation to the electrolyte as a result of the two opposite processes. As a result, there is a potential difference between the electrode and electrolyte. The term "electrode potential" refers to this potential difference.

Now, the electrode where reduction occurs is known as the cathode and turns positive in relation to the electrolytic solution, whereas the electrode where oxidation occurs is known as the anode and has a negative potential in relation to the electrolytic solution. This caused a potential difference to form between the voltaic cell's two electrodes. Cell Potential is the name given to this potential differential.

The voltaic cell's potential is sometimes referred to as its electromotive force (EMF) when no current is being drawn from it. Electrons begin to flow from the anode (negative electrode) to the cathode when an external circuit is connected to the voltaic cell (positive electrode). As a result, in the external circuit, the normal current flows from the positive terminal to the negative terminal.

Learn more about voltaic cell here:

https://brainly.com/question/1370699

#SPJ4

Answer: Wowwwww

Explanation:yes

The levels of Po2 and Pco2 in the circulatory route are tightly regulated to ensure that oxygen is delivered to the tissues and carbon dioxide is removed from the body. This process involves the exchange of gases between the alveolar air, oxygenated blood, and tissue fluid, with each step corresponding to specific levels of Po2 and Pco2.

In the circulatory route, the oxygenated blood leaves the lungs and enters the arteries with a Po2 of 104 mm Hg and a Pco2 of 40 mm Hg. As it travels through the body, it delivers oxygen to the tissues and picks up carbon dioxide. As a result, the Po2 in the tissue fluid drops to 40 mm Hg, while the Pco2 rises to 46 mm Hg. This occurs because oxygen is being used up by the cells in the tissues, while carbon dioxide is being produced as a byproduct of cellular respiration.
Once the blood has picked up carbon dioxide and delivered oxygen to the tissues, it returns to the heart via the veins. The oxygenated blood then enters the lungs once again, where it unloads carbon dioxide and picks up oxygen from the alveolar air. At this point, the Po2 in the alveolar air is 95 mm Hg, while the Pco2 is 40 mm Hg. The oxygenated blood then leaves the lungs with a Po2 of 104 mm Hg and a Pco2 of 40 mm Hg, completing the circulatory route.
In summary, the levels of Po2 and Pco2 in the circulatory route are tightly regulated to ensure that oxygen is delivered to the tissues and carbon dioxide is removed from the body. This process involves the exchange of gases between the alveolar air, oxygenated blood, and tissue fluid, with each step corresponding to specific levels of Po2 and Pco2.

for more such question on circulatory route

https://brainly.com/question/23522081

#SPJ11

O2- indicates an ion of oxygen having two extra electrons. I.e., since an oxygen atom normally has 8 protons and 8 electrons, this ion has 10 electrons (-10 charge) and 8 protons (+8 charge) giving it a charge of -2 (-10 + 8 = -2).

A. Br and Br: The bond between two identical atoms is always pure covalent since both atoms have the same electronegativity. So, the bond between Br and Br is pure covalent.

B. O and F: Oxygen and fluorine have different electronegativities, and thus the bond between them is polar covalent. The shared electrons are closer to the more electronegative fluorine atom, creating a partial negative charge on the fluorine and a partial positive charge on the oxygen.

C. N and Cl: Nitrogen and chlorine have different electronegativities, and thus the bond between them is polar covalent. The shared electrons are closer to the more electronegative chlorine atom, creating a partial negative charge on the chlorine and a partial positive charge on the nitrogen.

D. Sr and O: Strontium is a metal, and oxygen is a nonmetal. Thus, the bond between them is ionic. The strontium atom loses two electrons, forming a cation with a 2+ charge, and the oxygen atom gains two electrons, forming an anion with a 2- charge. The electrostatic attraction between the oppositely charged ions forms the ionic bond.

To learn more about atoms refer to:

brainly.com/question/30898688

#SPJ4

This is True because: In the energy interactive, the arrow labeled C represents the conversion of chemical energy to mechanical energy.

When you click on this arrow, it shows the process of a person eating food, which is an example of chemical energy being transferred to mechanical energy in the form of muscle movement. The chemical energy stored in the food molecules is released through digestion and cellular respiration, and this energy is then used by the muscles to perform mechanical work, such as walking or lifting objects.

True or False. The arrow labeled A represents a transfer of solar energy to chemical energy. Explain why this is true or false.

This is True because: The arrow labeled A in the energy interactive represents the process of photosynthesis, where plants convert solar energy into chemical energy in the form of glucose. When you click on this arrow, it shows sunlight being absorbed by the plants, which is then used to power the conversion of carbon dioxide and water into glucose through the process of photosynthesis. This glucose is a form of chemical energy that can be stored and used by the plants for growth, reproduction, and other metabolic activities.

The arrow that represents the release of carbon dioxide is arrow B. The process occurring at this arrow is cellular respiration. When you click on arrow B in the interactive, it shows the breakdown of glucose molecules in living organisms, releasing carbon dioxide as a byproduct. Cellular respiration is the process by which cells obtain energy from glucose molecules and produce carbon dioxide and water as waste products.

The arrows that indicate a process that cycles carbon from living or nonliving organisms are arrows B and C. The processes represented by these arrows are photosynthesis and cellular respiration, respectively. Photosynthesis is the process by which plants convert carbon dioxide from the atmosphere into glucose, thereby removing carbon from the environment. Cellular respiration, on the other hand, is the process by which living organisms, including plants, break down glucose to release energy and produce carbon dioxide as a byproduct. These two processes form a cycle where carbon is constantly exchanged between the living and nonliving components of an ecosystem.

The arrows that represent reactions demonstrating a conservation of mass and energy are arrows A and C. Arrow A represents photosynthesis, where solar energy is converted into chemical energy, and arrow C represents the conversion of chemical energy to mechanical energy through processes such as cellular respiration and muscle movement. These reactions demonstrate the conservation of mass and energy because while the form of energy changes (from solar to chemical to mechanical), the total amount of energy and mass in the system remains constant. In photosynthesis, the solar energy is transformed into chemical energy stored in glucose molecules, while in cellular respiration and muscle movement, the chemical energy is converted into mechanical energy. Throughout these transformations, the total energy and mass are conserved, adhering to the fundamental principle of conservation of energy and mass in nature.

for such more questions on energy

https://brainly.com/question/29339318

#SPJ8

The ideal bond angle around nitrogen in N2F2, based on the VSEPR (Valence Shell Electron Pair Repulsion) theory, is d. 180°. N2F2 forms a linear molecular shape with a bond angle of 180° between the two nitrogen atoms bonded to each other.

To predict the ideal bond angles around nitrogen in N2F2 using the VSEPR theory, we first need to draw the Lewis Structure for the molecule.

N2F2 has two nitrogen atoms bonded together with one fluorine atom bonded to each nitrogen. The Lewis structure looks like this:

N≡N - F   F

Each nitrogen atom has two lone pairs of electrons, and each fluorine atom has three lone pairs of electrons.

Using the VSEPR theory, we know that the electron pairs (both bonding and non-bonding) repel each other, and therefore try to get as far away from each other as possible. This leads to the following molecular shape for N2F2:

  F
  |
N--N
  |
  F

This is a linear shape, with a bond angle of 180°.

Therefore, the answer is d. 180°.

Learn  more about VSEPR theory here:

https://brainly.com/question/14225705

#SPJ11

Fe(ii) and Fe(iii) ions differ by E) 1 electron.

Ferric is the term used for an iron atom that has lost three electrons from the valence shell, on the other hand, ferrous is the term used for an iron atom that has lost two electrons from the valence shell.

As one shares two electrons while the other shares three electrons therefore they differ by one electron.

Fe(iii) is more stable due to its half-filled subshell while Fe(ii) is unstable in nature. There is a partially-filled d orbital in Fe(ii) resulting in its instability as half-filled and completely filled orbitals are more stable as compared to the partially filled orbitals.

Although a part of your question is missing, you might be referring to this question:

Iron forms compounds as both a ferrous Fe(II) and a ferric Fe(III) ion. These two ions differ by:

A) 1 proton

B) 1 neutron

C) 2 protons

D) 2 electrons

E) 1 electron

To learn more about Fe(ii) and Fe(iii) ions; click here:

https://brainly.com/question/28132251

#SPJ4

Answer:

they form when continential plates collide.