The rate constant k is dependent on the concentration of the reactant the nature of the reactants the temperature the order of the reaction none of these one of these two of these three of these all of these What would happen if the kinetic energy of the reactants was not enough to provide the needed activation energy? a. The products would be produced at a lower energy state. b. The rate of the reaction would tend to increase.
c. The activated complex would convert ion to products. d. The reactants would continue to exist in their present form. e. The products would form at an unstable energy state.

The landform that is a result of the chemical weathering of carbonate rock is

While the chemical weathering of carbonate rock does occur, it can result in voids or cavities under the surface. When sedimentary layers become unstable and unable to support their own weight, a concave impression known as a sinkhole will form.

Sinkholes are prevalent in areas that have an ample supply of carbonate rock, which itself poses a danger due to its potential impact on infrastructure and human well-being. It is important to note that the chemical deterioration of carbonate rock does not typically contribute to natural developments like mountains, dunes, or rivers.

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Answer:

The answer is ¹³₆C

Explanation:

searched it up

Therefore, the correct order from smallest to largest mass of nitrogen is:

241-10 atoms x 20.mol of N < 1.0 x 10^20 molecules < 14 g of N < 9.03 x 10^23 molecules

To correctly order the given masses of nitrogen from smallest to largest, we need to convert each quantity to a common unit, such as grams of nitrogen.

241-10 atoms x 20.mol of N:

We can start by calculating the number of moles of nitrogen in 2410 atoms of nitrogen:

2410 atoms N x (1 mol N/6.022 x 10^23 atoms N) = 0.0400 mol N

Then, we can convert moles of nitrogen to grams of nitrogen using the molar mass of nitrogen:

0.0400 mol N x 14.007 g/mol = 0.560 g

Molecules:

It is not clear what is meant by "molecules" here. If we assume that this refers to a specific number of nitrogen molecules, we could use Avogadro's number to convert this quantity to moles of nitrogen, and then to grams of nitrogen using the molar mass:

1.0 x 10^20 molecules N x (1 mol N/6.022 x 10^23 molecules N) x 14.007 g/mol = 2.33 g N

14 g of N:

This quantity is already given in grams of nitrogen.

9.03 x 10^23 molecules:

We can use Avogadro's number to convert this quantity to moles of nitrogen, and then to grams of nitrogen using the molar mass:

9.03 x 10^23 molecules N x (1 mol N/6.022 x 10^23 molecules N) x 14.007 g/mol = 236 g N

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A balanced equation obeys the law of conservation of mass which states that the number of reactants and products on both sides of the equation should be always equal.

An equation in which the number of atoms of each element in the chemical reaction and the total charge are found to be the same for both the reactants and products. The mass of the reactants is equal to the mass of products.

The following steps are used to balance the given equation.

Thus the balanced equation obtained is:

Mg (NO₃)₂ + 2HCl → 2HNO₃ + MgCl₂

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Answer:

2.24 M

Explanation:

Molality is a measure of molar concentration of a solution and it can be calculated using the formula;

Molality = mole of solute ÷ kg of solvent

To calculate the number of moles present in the solute, we use the formula;

mole = mass ÷ molar mass

Molar mass of Fe(ClO2)3 = 56 + {35.5 + 16(2)}3

= 56 + (35.5 + 32)3

= 56 + (67.5)3

= 56 + 202.5

= 258.5g/mol

mole = 435/258.5

mole of Fe(ClO2)3 = 1.68mol

750g of solvent = 750/1000 = 0.750kg of solvent

Molality of the solution is thus: 1.68/0.750

Molality = 2.24 M.

if 25.4 g of LiOH reacts with 64.8 g of CO2, 9.54 g of H2O will be produced.

We can start by using the coefficients in the balanced equation to convert the number of moles of one substance to the number of moles of another substance.

Convert the masses of LiOH and CO2 to moles:

Determine the limiting reactant:

Since the ratio of the coefficients in the balanced equation is 2:1 for LiOH to CO2, we can see that the limiting reactant is LiOH. This means that we will run out of LiOH before CO2, so we will use the moles of LiOH to calculate the amount of H2O produced.

Calculate the number of moles of H2O produced using the balanced equation:

From the balanced equation, for every 2 moles of LiOH that react, 1 mole of H2O is produced. So, the number of moles of H2O produced is:

1.06 mol LiOH / 2 mol LiOH/mol H2O = 0.53 mol H2O

Convert the number of moles of H2O to mass:

Mass of H2O = 0.53 mol * (18.0 g/mol) = 9.54 g

So, if 25.4 g of LiOH reacts with 64.8 g of CO2, 9.54 g of H2O will be produced.

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An aqueous solution of 0.10 mol dm-3 AlCl3 will be acidic due to the presence of hydrated Al3+ ions and the resulting formation of hydronium ions.

When an ionic compound like AlCl3 dissolves in water, it dissociates into its constituent ions according to the following reaction:

AlCl3 (s) → Al3+ (aq) + 3Cl- (aq)

The aluminum ion, Al3+, has a very high charge-to-size ratio, which makes it highly polarizing. It can distort the electron cloud of water molecules and attract them towards itself, forming a hydrated Al3+ ion:

Al3+ (aq) + 6H2O (l) → [Al(H2O)6]3+ (aq)

The resulting hydrated ion is acidic, because the Al3+ ion acts as a Lewis acid, accepting a lone pair of electrons from one of the water molecules to form a hydronium ion, H3O+:

[Al(H2O)6]3+ (aq) + H2O (l) → [Al(H2O)5OH]2+ (aq) + H3O+ (aq)

The hydronium ion is what makes the solution acidic, because it can donate a proton to a base to form water. Therefore, an aqueous solution of 0.10 mol dm-3 AlCl3 will be acidic due to the presence of hydrated Al3+ ions and the resulting formation of hydronium ions.

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The cellular organelle that is most affected by CO poisoning is mitochondria (option B).

Mitochondria is a cellular organelle found in eukaryotic cells and responsible for the production of energy in form of ATP.

Carbon monoxide (CO) is a common environmental pollutant released when fossil fuels are burned. The major target of this pollutant is the mitochondria.

Carbon monoxide (CO) binds to cytochrome oxidase of the electron transport chain in the mitochondria, thereby, blocking oxidative phosphorylation and ATP production. As ATP declines, there is no energy to drive the breathing muscles.

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Answer:

The identity of the element can be determined by comparing the atomic masses of the known isotopes with the atomic masses of the elements listed in the answer choices.

The weighted average atomic mass of the element can be calculated as follows:

(0.51839 × 106.91 amu) + (0.48161 × 108.90 amu) = 107.87 amu

The closest match to this atomic mass is option 1, Silver. The atomic number of silver is 47, which means it has 47 protons in its nucleus. The two stable isotopes of silver are ^107Ag and ^109Ag, which have atomic masses of 106.905 amu and 108.905 amu, respectively. The given atomic masses of the isotopes in the question are not exact matches to the known isotopes of silver, but they are close enough to identify the element as silver.

Therefore, the answer is 1. Silver.

Answer:

The purple are molarity and the green are molality

Explanation:

I think dont kill me if thats wrong

Answer:

the answer is B Astroid Belt

Answer:

Explanation:

The density of a substance can be found by using the formula

\(density = \frac{mass}{volume} \\\)

From the question

mass = 10 g

volume = 2 cm³

We have

\(density = \frac{10}{5} \\ \)

We have the final answer as

Hope this helps you

Answer:

NA + F2 = NAF - Chemical Equation Balancer.

2 Na + F 2 → 2 NaF

Na is a reducing agent, F 2 is an oxidizing agent. ; Pale-yellow to greenish gas with a pungent, irritating odor.

Answer:

homogenous mixture

Explanation:

no choices are given so that is my best guess

The standard metric unit of time is seconds.

What is the metric system of units?

The most common method for determining height, distance, and other daily objects is the metric system of measurement. Let's use a container of milk as an example. To determine the amount of milk, we use liters, and to determine the height of the jar, we use meters (or centimeters). This is due to the fact that these metric units, often known as SI units, are widely used around the world (International System of Units). Let's get started by finding out more about the metric system.

The basic metric unit of time is seconds.

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Answer: D. Compound.

Explanation:

This is high school chemistry. I’m in 8th grade, this be sooooo easy tho.

Answer:

C: Atoms

Explanation:

Chemical bond formed when one or more electrons are transferred from one atom to another.

Answer:

113.17 g

Explanation:

This can be solved using the Ideal Gas Equation:

PV=nRT

First step is to calculate the volume of the cylinder in L:

V=πr²h

V= π (11.5)² (140)

V= π (132.25) (140)

V = π (18.515)

V = 58,166.588 cm³ = 58.2 L

Then, convert kpa into atm:

1 kpa = 0.00987 atm

108 kpa = 1.06588 atm

Then, plug all of your values into the Ideal Gas Equation to solve for moles:

(1.06588)(58.2)=n(0.082057)(294)

62.034=n(24.125)

2.571357513=n

Finally, convert the moles into grams

2N = 28.0134 amu

O = 15.999 amu

_______________

44.0124 amu

(2.571357513moles)(44.0124 amu) = 113.17 g

Potassium is one of the most reactive metals due to its valence electron making it to be highly powerful.

Potassium is a very reactive metal because it is very active in chemical reactions. When potassium reacts with other elements, it forms potassium compounds that are very stable. This makes potassium a very good choice for many industrial and commercial applications.

The valence shell of Potassium has only one electron. Once it gives up that one electron, it has completed its outer energy level, so it wants to gain an electron to complete its level.

This makes it a powerful reducing agent, meaning it can oxidize other metals. It also makes it so that it is not found as a free element. Potassium is found in the first column of Group 1 on the periodic table, which means it has a valence of 1.

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The reaction order, αα, and the specific reaction rate constant, k is 0.3518 (approx) and 0.0869 L/mol/min respectively.

The reaction order and specific reaction rate constant can be calculated from the given Time vs Concentration data in a Batch reactor. In order to determine the reaction order, we need to calculate the values of the natural logarithm of concentrations i.e.

ln[A].t(min)[A]molLln[A]molL0-0.9768 3-0.5445 5-0.1871 8+0.3775 10+0.0 12+0.4966 15+1.1539 17.5+1.9459

Therefore, the order of reaction (αα) is the slope of the straight line which is equal to -0.3518.

Using the values of slope (αα) and intercept (C) from the graph, we can calculate the specific reaction rate constant (k) using the following formula:

slope = -kCk = slope/-CC = 4.05k = -(-0.3518)/4.05k = 0.0869 L/mol/min

Therefore, the reaction order is 0.3518 (approx) and the specific reaction rate constant is 0.0869 L/mol/min.

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Answer:

it should test one variable at a time.

Explanation:                                                                                                  because you will not be able to tell which variable is responsible for the observed results.

To produce one molecule of glucose, 6 molecules of carbon dioxide (\(CO_{2}\)), 18 molecules of adenosine triphosphate (ATP), and 12 molecules of nicotinamide adenine dinucleotide phosphate (NADPH) are required.

Glucose, a six-carbon sugar, is synthesized through the process of photosynthesis in plants. It involves the Calvin cycle, which incorporates carbon dioxide, ATP, and NADPH to produce glucose. For each molecule of glucose formed, 6 molecules of carbon dioxide are required.

The energy needed for glucose synthesis is provided by ATP, which is an energy-rich molecule. In the Calvin cycle, the synthesis of one glucose molecule requires 18 molecules of ATP.

NADPH, a coenzyme involved in energy transfer reactions, is required for the reduction of carbon dioxide during the Calvin cycle. In the process, 12 molecules of NADPH are utilized to produce one molecule of glucose. These components play crucial roles in capturing and storing energy, as well as providing carbon atoms for the formation of glucose, which serves as a vital energy source for organisms.

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Answer:

5.0 °C

Explanation:

To find the temperature change, you need to use the following equation:

Q = mcΔT

In this equation,

-----> Q = heat energy (J)

-----> m = mass (g)

-----> c = specific heat capacity (J/g°C)

-----> ΔT = temperature change (°C)

You can find the temperature change by plugging the given values into the equation and simplifying.

Q = 209 J                      c = 4.18 J/g°C

m = 10.0 g                     ΔT = ? °C

Q = mcΔT                                                      <----- Equation

209 J = (10.0 g)(4.18 J/g°C)ΔT                     <----- Insert values

209 J = (41.8)ΔT                                           <----- Multiply 10.0 and 4.18

5.0 = ΔT                                                       <----- Divide both sides by 41.8

Answer:

5° C  temp change

Explanation:

Q = m c T  

       Given:  Q =209    m = 10    c = 4.18     looking for T (change in temp)

209 = 10 * 4.18 T

T = 209 / (10*4.18) = 5° C

Answer:4,800

Explanation:

5 winks a minute, 60 minutes in an hour.

300 winks an hour, 16 hours a day.

4,800.

Answer:

The answer is 4,800 winks per day.

Explanation: There are 24 hours in a day, 24 minus the 8 hours shes asleep is 16. There are 60 minutes in an hour. 5 x 60 is 300. 300 winks an hour multiplied by the 16 hours she's awake is 4,800.

We used both the hydrogen and water coefficients from the aforesaid solution (mole ratio).

Chemical Reaction

\(2H_{2}\) + \(O_{2}\)  → \(2H_{2}O (Balanced)\)  

Assuming moles of hydrogen are the limiting reactant, calculate the moles of water

\(moles H_{2}O = (4 moles H_{2} ) \frac{2moles H_{2}O }{2moles H_{2} } = 4 moles H_{2}O\)

What is Moles?

A substance's mass, which is made up of the same number of essential components, is measured in moles. A 12 gram example has atoms that are the same as 12C. The basic building blocks of a substance could be molecules, atoms, or formula units.

The quantity of chemical elements is indicated by the mole fraction. One mole of any substance has a value of 6.023 x 1023. (Avogadro number). The byproducts of the chemical reaction can be measured using it. The unit is denoted by the sign mol.

The following expression represents the number of moles formula

Number of moles = Mass of substance / Mass of one mole .

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Explanation:

Components that throughout chemical processes appear to acquire electrons to achieve anions are considered non-metals. These were all elements which are electronegative. Those who are – anti conductors of electricity and heat, fragile and disadvantaged.

Answer:

156

Explanation: SKSKSKSKSKSKKSKSKSKSKKS

Answer: 1.14 M

Explanation:

500 mL is equal to 0.5 L.

So, the molarity is (0.570)/(0.5) = 1.14 M