Chlorine has two naturally occurring isotopes, 35cl and 37cl. What is the mass number of each? how many protons, neutrons, and electrons are present in each?.

test for different types of molecules called acids and bases.

Answer:

(CH3COO)2 + redP + Cl2 → ClCH2COOH + HCl

Explanation:

This is an example of halogenation of carboxylic acids at alpha carbon atom. In this reaction, red phosphorus and chlorine are treated with carboxylic acids having alpha hydrogen atom followed by hydrolysis to form alpha chloro carboxylic acid.

Answer:

strong acid and weak base

Explanation:

#carryonlearning

In the given question dissociated solution describes the property of the strong base.

Bases are substances which gives hydroxide ion into the solution.

Dissociation reaction of caustic soda will be represented as:

KOH → K⁺ + OH⁻

From the above dissociation we conclude that potassium hydroxide is fully dissociates into their ions means it is a strong base and will make the solution caustic.

Hence potassium hydroxide is a strong base.

To know more about strong bases, visit the below link:

https://brainly.com/question/7245674

#SPJ2

Answer:The reaction of zinc oxide with carbon monoxide forms the product zinc metal and carbon dioxide. Zinc oxide is reduced to metallic zinc and carbon monoxide is oxidized to carbon dioxide.

Explanation:

The molality of a solution prepared by dissolving 13.3 g of kcl in 750.0 ml of water is 0.23 moles per kilogram.

What is molality?

The molality of a solution is the number of moles of solute present in per kilogram of the solvent is called the molality of the solution and cannot be affected by temperature.

Molality = weight / mass × 1000/ volume if water in ml.

mass of KCl = 74.55

substituting the value in the formula,

molality = 13.3 g / 74.55 × 1000/ 750

molality = 0.23 moles per kilogram.

Therefore, 0.23 moles per kilogram is the molality of a solution prepared by dissolving 13.3 g of KCL in 750.0 ml of water.

Learn more about molality, here:

https://brainly.com/question/26921570

#SPJ4

(a)The pH of the fruit juice solution is approximately 3.5. (b) The hydrogen ion concentration of the tomato solution is 0.001 mol/L.

(b)The hydrogen ion concentration of the tomato solution is 0.001 mol/L.

(a). The hydrogen ion concentration of the fruit juice is 0.0003 mol/L. We can determine the pH of the solution using the formula pH = -log[H⁺].

pH = -log(0.0003)

pH ≈ -log(3 × 10⁻⁴)

Using a calculator, we can calculate the logarithm:

pH ≈ -(-3.5229) (rounded to the nearest tenth)

pH ≈ 3.5

Therefore, the pH of the fruit juice solution is approximately 3.5.

(b). A tomato has a pH of 3.0. We can determine the hydrogen ion concentration of this solution by rearranging the formula pH = -log[H⁺] to solve for [H⁺].

[H⁺] = 10(-pH)

[H⁺] = 10⁻³

[H⁺] = 0.001 mol/L

Therefore, the hydrogen ion concentration of the tomato solution is 0.001 mol/L.

To know more about hydrogen ion:

https://brainly.com/question/24673381

#SPJ4

Less than 6. 0 grams of copper i.e. 0.36 g is formed, and some aluminum is left behind in the reaction ingredients.

The amount of copper made is calculated from the balanced equation of the reaction.

The balanced equation :

3 CuCl2 + 2 Al → 2 AlCl3 + 3 Cu

molar mass of CuCl₂ = 132 g/mol

molar mass of Al = 27.0 g

molar mass of Cu = 64.0 g

moles of aluminium = 0.50 / 27 = 0.018 moles

moles of CuCl₂ produced = 0.75/132 = 0.00568 moles

So, CuCl₂ is acting as the limiting reagent in the reaction.

3 moles of CuCl₂ makes 3 moles of Cu

Similarly,

0.00568 moles CuCl₂ will make 0.00568 moles of Cu

Mass of Cu produced = 0.00568 * 64 = 0.36 g

So, Less than 6. 0 grams of copper is formed, and some aluminum is left in the reaction mixture as CuCl2 acts as limiting reagent.

Learn more about Copper

brainly.com/question/13677872

#SPJ4

Answer:

1.) Nascent Hydrogen has more energy than Molecular Hydrogen.

2.) Nascent Hydrogen is are more on the side of atomic and since atoms are more active than molecules, Nascent Hydrogen becomes more reactive.

To calculate the molecular weight of this molecule, However, we can tell you that the sum of the atomic weights of the elements in a molecule is called its molecular weight.

In this case, the molecular weight would be the sum of the atomic weights of carbon, nitrogen, and hydrogen in the molecule.The correct amu for carbon, nitrogen, and hydrogen are 12 amu, 14 amu, and 1 amu, respectively.

To find the molecular weight of a molecule that includes one atom of each element, simply add their respective amu values together: 12 amu (carbon) + 14 amu (nitrogen) + 1 amu (hydrogen) = 27 amu. The molecular weight of this molecule is 27 amu.

To know more about hydrogen click here

brainly.com/question/30037191

#SPJ11

To determine the molecular weight of the molecule, we need to know the formula of the molecule. However, based on the information given, we can make an educated guess that the molecule is likely to be a combination of carbon, nitrogen, and hydrogen atoms.

Assuming that the molecule has the formula CHN, we can calculate its molecular weight as follows:

Molecular weight of CHN = (mass of carbon x number of carbon atoms) + (mass of hydrogen x number of hydrogen atoms) + (mass of nitrogen x number of nitrogen atoms)
                         = (12 amu x 1) + (1 amu x 1) + (16 amu x 1)
                         = 12 amu + 1 amu + 16 amu
                         = 29 amu

Therefore, the molecular weight of the molecule with carbon, nitrogen, and hydrogen atoms having masses of 12 amu, 16 amu, and 1 amu, respectively, is 29 amu.

To know more about Molecular weight of CHN:

https://brainly.com/question/28297551

#SPJ11

The correct statements from the given statement is that the measurement of a chemical property occurs as the identity of the substance changes.

Chemical change is defined as a change is occurred when the substance is transformed into one or more substances. This process is known as a chemical reaction. Chemical property is the characteristic of a particular substance which is observed in a chemical reaction. Some examples of chemical properties are flammability, change in pH, heat of combustion, acidity. For example, when an iron metal comes into contact of air and moisture, it is converted into a rust, which has a chemical formula Fe₂O₃.nH₂O.

Therefore, the measurement of a chemical property occurs as the identity of the substance changes. Hence, 'option d' is correct.

To know more about chemical reaction

https://brainly.com/question/28776833

#SPJ1

Answer:

6.4 L

Explanation:

When all other variables are held constant, you can use Boyle's Law to find the missing volume:

P₁V₁ = P₂V₂

In this equation, "P₁" and "V₁" represent the initial pressure and volume. "P₂" and "V₂" represent the final pressure and volume. You can find the theoretical volume by plugging the given values into the equation and simplifying.

P₁ = 3.2 atm                      P₂ = 1.0 atm

V₁ = 2.0 L                          V₂ = ? L

P₁V₁ = P₂V₂                                                    <----- Boyle's Law

(3.2 atm)(2.0 L) = (1.0 atm)V₂                        <----- Insert values

6.4 = (1.0 atm)V₂                                           <----- Simplify left side

6.4 = V₂                                                        <----- Divide both sides by 1.0

Answer:

6.4L or C on Brainly.

Explanation:

Answer:

An ionic charge of 2-

Explanation:

The number of electrons is 8 and the number of protons is 2, subtract the two and the difference is the ionic charge. Hope this helps! :)

Answer:

This answer would be 2

Explanation:

The way that I have always done it is you put protons in tally marks (without crossing) over the top of the neutrons and mark them out one by one and whichever one that you have leftover that is your charge.

Hope this helps!

Answer:

There is spoilage microbes growing on the food, such as bacteria, yeasts, and mold. The odor can either come from the chemicals that are released from the food as the microbes decompose it down, or the chemicals are produced by the microbes themselves.

Answer:

When food goes bad and starts to become pungent, it is most often due to the growth of spoilage microbes such as bacteria, yeasts and mold. Odors can come from two sources: chemicals that are released from the food as the microbes decompose it, or chemicals produced directly by the microbes themselves.

Hope this answer correct :)

Answer:

28/95 = 29.,5 % of Arsine decomposed

Explanation:A sample of gaseous arsine (AsH3) in a 460 mL flask at 332 Torr and 223 K, is heated to 437 K, at which temperature arsine decom- poses to solid arsenic and hydrogen gas. The flask is then cooled to 273 K, at which tem- perature the pressure in the flask is 488 Torr. What percentage of arsine molecules have de- composed?

Answer in units of %.

initial pressure 332 Torr initial volume 0.46 L initial temperature 223K

final pressure 488 Torr final volume 0.46 L final 273 K

Torr is 1/760 atm 332 torr = 0.437 atm 488 Torr =0.642 atm

PV = nRT so n=RT/PV

INITIAL n= 0.082 X 223/(0.437)(0.46) = 91 moles

final n= 0.082 X 273 / (.437)(488) = 105 moles

2AsH3----------> 2As + 3H2

x moles of Arsine decomposed to make 1.5 moles of H2

the final number of moles was

(91 -X)+ 1.5 X = 105 moles

91 + 0.5 X = 105

0.5 X = 14

X =28

CHECK

if 28 moles of Arsine , then the container would have

91 --28 + 1.5(28) = 91 +14 =105 check

so 28/95 = 29.,5 % of Arsine decomposed

Your answer

(quit)

polyalchemVirtuoso

Answer:

Explanation:

ADD YOUR ANSWER

Ask maryhobbs about this question...

New questions in Chemistry

in what area of the united states do the fewest people live​

Read each step. Then put the steps in order from first to last. Write 1 for the first step, 2 for the second step and so on. 1. Fossils fuels are burn…

When unbalanced forces act on an object that is in motion, the object can: A. change speed, direction, or both. B. only change direction. C. only s…

What is the missing letter in H,J,K,L,M,N,O,P.? And what is the opposite of HATE.? And what is the opposite of ME.? Think about it -,-​

what type of reaction is Fe(NO3)3 + 3LiOH = Fe(OH)3 + 3LiNO3

Please answer this quickly. the answers that you find online are not correct. I will mark brainliest if you get it right. NO SPAM!!!!For the reaction …

cuantos gramos de soluto son necesario para preparar 50 ml de Ca(NO3)2 al 4% (w/v)

Calculate the moles of O in 0.182 mole C6H14O. Calculate the number of H atoms in 0.182 mole C6H14O. Calculate the number of C atoms in 0.182 mole C…

When a sulfur atom and an oxygen atom bond to produce substance C, electrons are? a. delocalised b. shared c. transferred​

What is oxidation state?​

LOAD MORE

Previous

Next

Ask

(a) The reaction with Delta H = 12.6 kJ/mol and Delta S = 93 J/K·mol is spontaneous at 25°C.

(b) The reaction with Delta H = 9.5 kJ/mol and Delta S = -94.0 J/K·mol is not spontaneous at 25°C.

To determine whether a reaction is spontaneous at a given temperature, we can use the Gibbs free energy equation: Delta G = Delta H - T·Delta S, where Delta G is the change in Gibbs free energy, Delta H is the change in enthalpy, Delta S is the change in entropy, and T is the temperature in Kelvin.

For a reaction to be spontaneous, Delta G must be negative. If Delta H is negative (exothermic) and Delta S is positive (increase in disorder), the reaction is more likely to be spontaneous.

(a) For the reaction with Delta H = 12.6 kJ/mol and Delta S = 93 J/K·mol, we have Delta G = 12.6 kJ/mol - (25 + 273) K·(93 J/K·mol/1000 J/kJ) = -5.25 kJ/mol. Since Delta G is negative, the reaction is spontaneous at 25°C.

(b) For the reaction with Delta H = 9.5 kJ/mol and Delta S = -94.0 J/K·mol, we have Delta G = 9.5 kJ/mol - (25 + 273) K·(-94.0 J/K·mol/1000 J/kJ) = 3.57 kJ/mol. Since Delta G is positive, the reaction is not spontaneous at 25°C.

To determine the minimum temperature at which a non-spontaneous reaction becomes spontaneous, we can set Delta G equal to zero and solve for T in the equation Delta G = Delta H - T·Delta S. However, in this case, both reactions are either spontaneous or non-spontaneous at 25°C, so we do not need to calculate the minimum temperature.

To know more about Gibbs free energy refer here:

https://brainly.com/question/29753420#

#SPJ11

Answer:

2. Chemical reactions changes occur when the bonds between atoms in a molecule are created or destroyed.

3. When you reach your its boiling point, the molecules in liquid have enough energy to become a gas.

4. When you have a solid with more than one type of compound, it is called a mixture.

5. A Crystal is a form of solid where the atoms are arranged is a very specific order.

6. If you have different types of molecules dissolved in a liquid, it is called a solution

Explanation:

The main difference in boiling points are due to intermolecular attractions. With water, it is a polar molecule, has hydrogen bonding, and exhibits london forces. All of these combined, make H2O bonds very strong, which means more energy is required to transition from one state to another, leading to higher boiling points.

On the other hand, methane is a non-polar molecule that only exhibits very weak london forces. It being a non-polar molecule, means its bonds are very weak, which means less energy is required to boil methane.

Also, the Celsius system was made so that water would be a reference. This is a reason for why its boiling point temperature is convenient

Answer:

moles = mass divided by molar mass

Molar mass of Nitrogen gas (N2) = 14*2 = 28 g/mol

Mass of Nitrogen gas = 5g

Moles = 5/28

Moles = 0.18 (rounded)

Answer:

The second choice.

Explanation:

The products often have completely different properties than the reactants.

The first and third are wrong because matter is always preserved in a chemical reaction.

The last is not true.

Answer:

basic laboratory research, perform process and product development

Explanation:

good luck <3

Answer:

Pls type your question in another manner cos I really cant decipher what you wrote the way you typed this pls

In terms of genetics and genomics, linkage describes how closely genes or other DNA sequences are located to one another on the same chromosome. The likelihood that two genes or sequences on a chromosome will be inherited together increases with their proximity.

When two genes are adjacent to one another on the same chromosome, they are considered to be linked because they do not assort separately. Linked genes have a recombination frequency of less than 50%, whereas genes on distinct chromosomes assort independently and have a 50% recombination frequency.

According to Mendel's law of independent assortment, the alleles of two or more distinct genes are independently selected into gametes. To put it another way, a gamete's allele for one gene does not affect the allele it obtains for another gene.

For single-gene disorders, there are basically five different ways that inheritance can occur: autosomal dominant, autosomal recessive, X-linked dominant, X-linked recessive, and mitochondrial. Both simple multi-factorial diseases and complex single-gene diseases frequently exhibit genetic variability.

The user can track the frequency changes of two alleles over time using this simulation. While changes signify evolution, a population that does not change over time is said to be in genetic equilibrium. This simulation can be used to examine genetic drift, natural selection, and mutation.

Learn more about genetic equilibrium here brainly.com/question/1286980

#SPJ4

Answer: Probably why are you wearing it and why do you have it on

Explanation:

Answer:

remove it, tuck it under ur shirt

Explanation:

Answer:

c. kinetic energy

Explanation:

Answer:

I think it is option (b) river

The river flows is not driven by pressure differences.

Conclusively we can say that the river flows is not driven by pressure differences

Learn more from:

https://brainly.com/question/10152119

First of all, Z is unknown. I hope it is a mistake.

        Now, it is given that the element X has nineteen electrons. This proves that X is actually Potassium.

        As per the periodic table, both Potassium and Lithium belongs to group 1 as their valency is 1 because of the presence of only one electron in the outermost shell of electrons i.e., they lose an electron during a chemical reaction to form a stable compound. Furthermore, both are metallic.

        Magnesium belongs to group 2 and hence its valency is two, which is different from potassium though it is metallic. Similiarly, bromine belongs to group 17 and gains one electron during a reaction in contrast to potassium.

( No internal links available for reference. For clarification, check the periodic table).

Answer: The percent yield of zinc carbonate is 5.91 %

Explanation:

To calculate the moles :

\(\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}\)

 \(\text{Moles of} ZnCO_3=\frac{12.6 g}{125.4g/mol}=0.100moles\)

\(ZnI_2\) is the limiting reagent as it limits the formation of product and \(Na_2CO_3\) is the excess reagent.  

\(Na_2CO_3+ZnI_2\rightarrow 2NaI+ZnCO_3\)  

According to stoichiometry :

1 mole of produce =  1 mole of

Thus 1.7 moles of \(ZnI_2\) will produce=\(\frac{1}{1}\times 1.7=1.7moles\)  of \(ZnCO_3\)

Theoretical yield of \(ZnCO_3=moles\times {\text {Molar mass}}=1.7moles\times 125.4g/mol=213.2g\)

percentage yield = \(\frac{\text {Experimental yield}}{\text {Theoretical yield}}\times 100=\frac{12.6g}{213.2g}\times 100=5.91\%\)

Answer:

the other person was right EXCEPT it says in 2 significant numbers so the answer is 5.9

Explanation:

i hope this helps. have a wonderful day :))

Answer:

24.66%

Explanation:

To find the percent of water (H2O) in the following compound: Zn3(PO4)2. 7H2O

The atomic mass of the elements are as follows:

Zn = 65g/mol

P = 31g/mol

O = 16g/mol

H = 1g/mol

Hence, molar mass of the compound is as follows:

65(3) + {31 + 16(4)} 2 + 7{1(2) + 16}

195 + 95(2) + 7(18)

195 + 190 + 126

511g/mol

Molar mass of 7H2O

= 7(18)

= 126g/mol

Hence, the percent of H2O in the compound is:

Molar Mass of 7H2O/molar mass of compound × 100

= 126/511 × 100

= 0.2466 × 100

= 24.66%

The pillar of sustainability broken by recycling electronics in India is environmental sustainability. Implementing a law that restricts electronics recycling to the US would not necessarily be the most effective solution, as it overlooks the complex global dynamics of electronic waste management.

Recycling electronics in India often involves improper disposal methods, such as burning or dismantling without proper safety measures. This leads to environmental pollution, including the release of hazardous substances into the air, soil, and water, thus violating the principle of environmental sustainability.

However, simply mandating that electronics can only be recycled in the US may not be the most optimal solution. Electronic waste is a global issue, and restricting recycling to a single country disregards the fact that electronic products are manufactured and consumed worldwide. A more comprehensive approach to addressing electronic waste would involve international cooperation, strict regulations, and monitoring of recycling practices to ensure they meet environmental standards.

Efforts should focus on improving recycling practices globally, including promoting responsible electronic waste management, developing sustainable recycling infrastructure in multiple countries, and encouraging the adoption of safe and environmentally friendly recycling practices. This approach would foster global sustainability and address the challenges associated with electronic waste disposal more effectively than a geographically limited restriction.

To learn more about sustainability, here

https://brainly.com/question/32771548

#SPJ4

Answer:

B)

Explanation:

it has 5