if another experiment had been performed in water bath containing ice-water, how would the rate of the reaction have been affected?

Answer:

Yes it is indeed

Explanation:

Thanks if you found this helpful

The balanced chemical equation is  \(\rm C_3H_8 + 5O_2- \rightarrow 3CO_2 + 4H_2O\).

Chemical equation is defined as a formulation of mathematics that captures the chemical reaction. We can learn about the reactants and products involved in a chemical reaction by developing a chemical equation. It includes the symbols for the atoms of each element found in the compound, together with a count of how many of each element there are overall in the form of subscripts.

Chemical equations must be balanced in order to satisfy the law of conservation of mass, which states that "the total mass of all products of reaction in a chemical reaction is equal to the total mass of all reactants." A chemical equation is said to be balanced when the number of various elemental atoms on the reactants and products sides are equal. Chemical equations must be balanced by a process of trial and error.

Thus, the balanced chemical equation is \(\rm C_3H_8 + 5O_2- \rightarrow 3CO_2 + 4H_2O\).

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The molarity of NaOH is \(0.24009 \mathrm{M}$\).

This is the formula for molarity:

\(\text { molarity of } \mathrm{NaOH}=\frac{\text { number of moles of } \mathrm{NaOH}}{\text { volume of } \mathrm{NaOH} \text { solution }(\mathrm{L})}$$\)

First, we need to find the number of moles of \($\mathrm{NaOH}$\) :

\($K H P$\) being "monoprotic" mean s that one mole of KHP is one equivalent. Basically, 1 molecule of KHP only donates \($1 H^{+}$\) ion.

We also know that\($\mathrm{NaOH}$\) is a monoprotic base, because there's only one \($\mathrm{OH}^{-}$\) ion in its chemical formula.

Therefore, 1 mole of KHP will correspond to 1 mole of \($\mathrm{NaOH}$\) in a neutralisation reaction.

In other words, 1 mole of \($\mathrm{NaOH}$\) will neutralise 1 mole of \($\mathrm{KHP}$\).

The number of moles of KHP that was neutralised was:

\($\frac{1.25}{39.098+1.008+8 \times 12.01+4 \times 1.008+4 \times 16}$\)

= 0.00612 moles

Because the mole ratio of K H P to N a O H is 1 : 1 , 0.00612moles of N a O H must have neutralised 0.00612 moles of K H P .

Then, we need to find the volume of the N a O H solution. This is pretty simple, actually, because it was given to us in the question: 28.05  mL , or 0.02549 L .

Finally, we just need to plug these values into the formula for molarity:

molarity of \($\mathrm{NaOH}=\frac{\text { number of moles of } \mathrm{NaOH}}{\text { volume of } \mathrm{NaOH} \text { solution }(\mathrm{L})}$\)

molarity of \($\mathrm{NaOH}=\frac{0.00612 \mathrm{~mol}}{0.02549 \mathrm{~L}}$\)

molarity of \($\mathrm{NaOH}=0.24009 \mathrm{M}$\)

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In a voltaic cell, the reaction that occurs at the cathode is the reduction reaction.

A voltaic cell consists of two half-cells, each containing an electrode (cathode or anode) and an electrolyte. In the cell, electrons flow from the anode to the cathode through an external circuit, generating electricity. At the cathode, reduction takes place as the positively charged ions in the electrolyte gain electrons, leading to a decrease in their oxidation state.

A voltaic cell, often called a galvanic cell, is an electrochemical device that produces electricity through uninhibited redox processes, both oxidation and reduction. It is divided into two distinct half-cells. A half-cell is made up of an electrode (a metal strip, M) dissolved in a solution containing Mn+ ions. M can be any metal. A wire from one electrode to the other connects the two half-cells cathode and anode. The half-cells are also connected by a salt bridge.

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Taking into account the direction the meter points will be from left to right, the copper (||) ions are being reduced and Zn is being oxidized in the zinc and copper galvanic cell.

The direction of the flow of elections will be indicated by the direction of the needle, which will move from left to right. At this point, oxidation takes place at the Zn electrode, resulting in the release of e-, whilst the reduction of Cu+2 ion takes place at the Cu electrode, leading to the movement of electrons from left to right.

The correct answer is that the copper (||) ions are being reduced while the zinc ions are being oxidized.

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The ideal gas law is important due to many reasons. Two of which are as follows:a) Many industrially important reactions are carried out in the gas phaseb) Chemists must be able to quantitatively treat gaseous products and reactant.

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a. Many industrially important reactions are carried out in the gas phase.

c. Chemists must be able to quantitatively treat gaseous products and reactants.

The reasons the ideal gas law is important include:

a. Many industrially important reactions are carried out in the gas phase. Understanding the behavior of gases and their properties is crucial in designing and optimizing these processes.

c. Chemists must be able to quantitatively treat gaseous products and reactants. The ideal gas law provides a framework for calculating and predicting the behavior of gases in chemical reactions, allowing chemists to analyze and understand the outcomes of these reactions.

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The cost (in dollar) of running your 100 watt light bulb at the time per month is $ 14.4

First, we shall determine the energy consumed per month by the light bulb

E = Pt

E = 0.1 × 720

E = 72 KWh

Finally, we shall determine the cost of running the light bulb. Details below

Cost = energy × Cost per KWh

Cost of running per month = 72 × 0.2

Cost of running per month = $ 14.4

Thus, we can conclude that the cost of running per month is $ 14.4

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Explanation:

When writing chemical equations for reversible reactions, the usual one-way arrow is not used. Instead, two arrows are used, each with just half an arrowhead - the top one pointing right, and the bottom one pointing left.

For example:

ammonium~chloride \rightleftharpoons ammonia + hydrogen~chloride

NH_{4}Cl(s) \rightleftharpoons NH_{3}(g) + HCl(g)

The chemical formula for octane, C8H18, is an alkane and a hydrocarbon. Its condensed structural formula is CH3(CH2)6CH3. The amount and location of branching in the carbon chain determine the various structural isomers of octane.

Carbon is represented by the letter C, octane by the formula C8H18. As a result, there will be 8 moles of carbon for every mole of C8H18.

Utilizing the molar mass of octane, convert 20 kg of octane to moles of octane.

Octane's molar mass is calculated as (8*12.011)+(18*1.008)=114.23 g/mole, where 8 and 18 are the molecule's atoms and 12.011 and 1.008 are the carbon and hydrogen atoms' individual molar masses.

20kg C8H18*1000g/kg*mole

C8H18/114.23g C8H18 = 175.1 moles of octane.

Put that quantity of moles into moles of carbon now:

1400.8 mole C is equal to 175.1 mole C8H18 * (8 mole C/mole C8H18).

Now keep in mind that a mole of a specific element equals 6.022*1023 atoms.

As a result, your final answer of 8.4*1026 atoms, or 1400.8 mole C, is identical to 1400.8*(6.022*1023) atoms C.

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Answer:

C:4A second period Ne:8A second period  Al:3A third period K:1A fourth period Ca:2A fourth S:6A third period

Explanation:

There are various kind of elements that are present in periodic table. Some elements are harmful, some are radioactive, some are noble gases. Therefore, with the help of periodic table we can locate the element's position.

Periodic table is a table in which we find elements with properties like metals, non metals, metalloids and radioactive element arranges in increasing atomic number.

Periodic table help a scientist to know what are the different types of elements are present in periodic table so that they can discover the new elements that are not being discovered yet.

carbon belongs to period 2 and group 14

neon belongs to period 2 and group 18

aluminium belongs to period 3 and group 13

potassium belongs to period 4 and group 1

calcium belongs to period 4 and group 2

sulfur belongs to period 3 and group 16

Therefore, with the help of periodic table we can locate the element's position.

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Answer: Both are only physical changes. •

Explanation:

Answer:

Extensive properties, such as mass and volume depend on the amount of substance present and are not useful in the identification of a substance. In this experiment, we will use three properties to identify a liquid substance: solubility, density and boiling point

The properties would be helpful in determining the identity of the liquids are; Boiling point, density, Solubility, Specific Heat, and Chemical Tests. Properties That Might Not Be as Helpful are; color, odor, viscosity, surface tension, vapor pressure.

Here's a breakdown of properties that would be helpful and those that might not be as useful:

Helpful Properties:

Boiling Point: The boiling point of a liquid is the temperature at which it changes from a liquid to a gas. It is a characteristic property that can help identify a substance, as different substances have distinct boiling points.

Density: Density is the mass of a substance per unit volume. It can be a useful property for identification, especially if the density of a liquid is unique to a particular substance.

Solubility: Solubility refers to the ability of a substance to dissolve in a particular solvent. Testing the solubility of a liquid in different solvents or with other substances can help identify it.

Specific Heat: Specific heat is the amount of heat required to raise the temperature of a substance by a certain amount. It can provide clues about the identity of a liquid based on its heat-absorbing behavior.

Chemical Tests: Conducting chemical tests, such as pH tests or reactions with specific reagents, can reveal unique chemical properties that aid in identification.

Properties That Might Not Be as Helpful:

Color: While color can sometimes provide information, many substances can have similar colors. Therefore, color alone may not be definitive for identification.

Odor: Similar to color, odor can vary and may not be distinctive enough to determine the identity of a liquid.

Viscosity: Viscosity is a measure of a liquid's resistance to flow. While it can be a characteristic property, it might not be sufficient on its own for accurate identification.

Surface Tension: Surface tension measures the force that causes the surface of a liquid to contract. While interesting, it may not provide enough information for precise identification.

Vapor Pressure: Vapor pressure can change with temperature, and while it's a characteristic property, it might not be the most practical for identification purposes.

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Answer:

prime meridian

Explanation:

The meridian that runs through Greenwich, England, is internationally accepted as the line of 0 degrees longitude, or prime meridian. The antimeridian is halfway around the world, at 180 degrees. It is the basis for the International Date Line

national geographic

The three general categories into which the elements are divided are metals, nonmetals, or metalloids.

Elements are the chemical elements of the periodic table. There are 118 elements in the periodic table. The periodic table displays all the elements according to their atomic numbers.

They are categorized into three terms. They are metals, which are malleable, soft, and luster. Metals are crystalline solid and naturally present in nature. Non-metals are those elements that are hard and brittle and not very reactive.

Metalloids are those elements that have the quality of both metals and non-metals, and they can act like both with time. They are also called semimetals.

Thus, the three general categories are metals, nonmetals, and metalloids.

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Answer:

The mole and Avogadro’s number are two important concepts of science that provide a link between the properties of individual atoms or molecules and the properties of bulk matter. It is clear that an early theorist of the idea of these two concepts was Avogadro. However, the research literature shows that there is a controversy about the subjects of when and by whom the mole concept was first introduced into science and when and by whom Avogadro’s number was first calculated. Based on this point, the following five matters are taken into consideration in this paper. First, in order to base the subject matter on a strong ground, the historical development of understanding the particulate nature of matter is presented. Second, in 1811, Amedeo Avogadro built the theoretical foundations of the mole concept and the number 6.022 × 1023 mol−1. Third, in 1865, Johann Josef Loschmidt first estimated the number of molecules in a cubic centimetre of a gas under normal conditions as 1.83 × 1018. Fourth, in 1881, August Horstmann first introduced the concept of gram-molecular weight in the sense of today’s mole concept into chemistry and, in 1900, Wilhelm Ostwald first used the term mole instead of the term ‘gram-molecular weight’. Lastly, in 1889, Károly Than first determined the gram-molecular volume of gases under normal conditions as 22,330 cm3. Accordingly, the first value for Avogadro’s number in science history should be 4.09 × 1022 molecules/gram-molecular weight, which is calculated by multiplying Loschmidt’s 1.83 × 1018 molecules/cm3 by Than’s 22,330 cm3/gram-molecular weight. Hence, Avogadro is the originator of the ideas of the mole and the number 6.022 × 1023 mol−1, Horstmann first introduced the mole concept into science/chemistry, and Loschmidt and Than are the scientists who first calculated Avogadro’s number. However, in the science research literature, it is widely expressed that the mole concept was first introduced into chemistry by Ostwald in 1900 and that Avogadro’s number was first calculated by Jean Baptiste Perrin in 1908. As a result, in this study, it is particularly emphasised that Horstmann first introduced the mole concept into science/chemistry and the first value of Avogadro’s number in the history of science was 4.09 × 1022 molecules/gram-molecular weight and Loschmidt and Than together first calculated this number.

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#PLEAS GIVE ME A BRAINLIEST ANSWER FOR

MY APRICIATING WORK

Answer:

WHEA O IN AN EREM STATO. PETUA TOT low 6 EN 6ACY STATE ... Determine both the total number of protons and the total number of neutrons in an atom of the naturally occurring carbon isotope with the largest mass number.

Explanation:

ok

To find the moles present in 83.20 grams of manganese we must use the molar mass of manganese. This mass is equal to 54.94g/mol. So the moles of manganese (Mn) will be:

Answer: 83.20 grams of manganese are equivalent to 1.51 moles

If moles of fuel (butene) are combusted in air, the number of moles of oxygen gas produced is 120 moles.

Stoichiometry is the study and calculation of quantitative (measurable) relationships of the reactants and products in chemical reactions (chemical equations).

According to this question, 1 mole of butene reacts with 6 moles of oxygen gas to produce 4 moles of carbondioxide and 4 moles of water.

Based on the reaction, 1 mole of fuel reacts with 6 moles of oxygen gas.

This means that 20 moles of fuel will react with 120 moles of oxygen gas.

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A. The mass of the reactant is 88 g

B. The mass of the product is 88 g

C. The data supports the law of conservation of matter (mass)

Chemical equations are representations of chemical reactions using symbols and formula of the reactants and products.

The reactants are located on the left side while the products are located on the right side.

Reactants —> Products

The balancing of chemical equations follows the law of conservation of matter which states that matter can neither be created nor destroyed during a chemical reaction but can be transferred from one form to another.

In the equation, carbon (C) and oxygen (O) are the reactants. Thus we can determine the mass of the reactant as follow:

Mass of reactant = mass of C + mass of O

Mass of reactant = 24 + 64

Mass of reactant = 88 g

In the equation, CO₂ is product. Thus we can determine the mass of the product as follow:

From the law of conservation of matter,

Mass of reactant = Mass of product

But,

Mass of reactant = 88 g

Thus,

Mass of product = 88 g

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Answer:

Initial volume of the container (V1) = 1.27 L (Approx)

Explanation:

Given:

Number of mol (n1) = 5.67 x 10⁻²

Number of mol (n2) = (5.67 +2.95) x 10⁻² = 8.62 x 10⁻²

New volume (V2) = 1.93 L

Find:

Initial volume of the container (V1)

Computation:

Using Avogadro's law

V1 / n1 = V2 / n2

V1 / 5.67 x 10⁻² = 1.93 / 8.62 x 10⁻²

V1 = 10.9431 / 8.62

Initial volume of the container (V1) = 1.2695

Initial volume of the container (V1) = 1.27 L (Approx)

Answer: 1.27 L

Explanation:

First, calculate the final number of moles of propane (n2) in the container.

n2 = n1 + nadded = 5.67 × 10^−2 mol + 2.95 × 10^−2 mol = 8.62 × 10^−2 mol

Rearrange Avogadro's law to solve for V1.

V1 = V2 × n1 / n2

Substitute the known values of n1, n2, and V2,

V1 = 1.93 L × 5.67 × 10^−2 mol / 8.62 × 10^−2 mol = 1.27 L

Answer:

2 Cu2S + 3 O2 = 2 Cu2O + 2 SO2

Explanation:

2 Cu2S + 3 O2 = 2 Cu2O + 2 SO2

The internal atomic structure of a mineral plays an essential role in determining the physical and chemical characteristics of the mineral.

It is this unique arrangement of atoms that allow a mineral to assume a particular form and react in certain ways. These structural features can be found in the orientation of an atom's electrons, atoms bonded together, and how the different elements in a particular mineral share electrons. By studying the number and types of elements that are present in a mineral, scientists can gain insight into its atomic structure.

A mineral’s atomic structure affects many of its physical characteristics, such as color, density, hardness, and cleavage. A mineral's atomic structure also plays a role in how it will react chemically with other compounds.

This reaction is determined by the arrangement of the electron orbitals, which in turn affects how it will form bonds with other compounds. In other words, a mineral's behavior will depend on the way its electrons interact with the electrons of other substances. By studying a mineral's atomic structure, scientists can better understand its chemical and physical properties.

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Correct question is :

the internal atomic structure of a mineral most likely determines the mineral's. explain.

Answer:

C. People can live longer, healthier lives through advancements in medicine.

Explanation:

Answer:

Water cooled down and contracted.

Explanation:

When water contracts, its volume decreases. When the volume of the water in the bottle system decreases, the water is pulled farther down the clear pipe.

The hydrocarbon can be cis or trans since it contains a double bond.

The term hydrocarbon has to do with is a compound that is made up of only hydrogen and carbon. The structure of the hydrocarbon often has a lot to do with its properties.

The question is incomplete as the hydrocarbon is not shown. However, the hydrocarbon can be cis or trans since it contains a double bond.

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The concept molarity is an important method which is used to calculate the concentration of a solution. Here molarity - volume relation is used to find out the concentration of the sodium hydroxide solution.

The term molarity is defined as the number of moles of the solute present per lite of the solution. It is represented as 'M' and it is expressed in the unit mol / L.

The equation connecting molarity and volume is:

M₁V₁ = M₂V₂

M₂ = M₁V₁ / V₂

0.1 × 25 / 20 = 0.125 cm³

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Answer:

15.625 g

Explanation:

The number of moles of the carbon dioxide is 3.92 moles.

We know that the number of the moles can be obtained by the use of the equation of the reaction that has been shown in the question as; C₂H4 +302 -------> 2CO₂ + 2H₂O.

We then have that;

Number of moles of the ethylene = 55.0 grams/28 g/mol

= 1.96 moles

If 1 mole of ethylene produces 2 moles of carbon dioxide

1.96 moles of ethylene would produce x moles of carbon dioxide

x  = 1.96 * 2/1 mole

= 3.92 moles

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Answer:

Explanation:

ALRIGHT EPIC GAMER IM GONNA INTRODUCE YOU TO THE AWESOME WORLD OF THE PERIODIC TABLE

look at this

6

C

Carbon

12.011

ok so this is what one block on the periodic table looks like

the protons and electrons are going to be the smaller number

so the protons and electrons for carbon are 6

but your question does  not ask for electrons so its fine.

How many protons? LOOK AT THE SMALLER NUMBER IN ELEMENT BLOCK ON PERIODIC TABLE.

How many neutrons? Take the bigger number and subtract the smaller number from it. so it would be for carbon: 12.011 - 6 = 12 neutrons.

to find the name of the atom, just count the number of electrons and then look for the element with the same number to find the name

Here is a picture that might help :)