How does latitude affect climate?
A
The closer to the poles, the warmer it gets.

B
The closer to the equator, the warmer it gets.

C
The higher you go up a mountain, the colder it gets.

D
The higher you go up a mountain, the warmer it gets.

The temperature in the atmosphere will rise as humidity rises. Only in the case of an exothermic chemical reaction will an increase in temperature slow down the reaction and thus reduce the percentage yield.

Energy is involved in all chemical reactions. When reactants break bonds, energy is released, and when products form new bonds, energy is released. Endothermic reactions are those in which less energy is released when new bonds form in the products than is required to break bonds in the reactants. Exothermic reactions are the polar opposite. In an exothermic reaction, breaking bonds in the reactants requires less energy than the energy released when new bonds form in the products.

The amount of water vapor in the air is referred to as humidity. The humidity will be high if there is a lot of water vapor in the air. The higher the humidity, the wetter the weather feels outside. Humidity is usually described as relative humidity in weather reports.

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If  1.85 moles of Br2 are put in a 0.730−L flask, 2.00 percent of the Br2 undergoes dissociation. the equilibrium constant Kc for the reaction is: 9.84 M.

The first step is to determine the initial concentration of Br2:

[Br2] = number of moles / volume in liters = 1.85 mol / 0.730 L = 2.534 M

Next, we need to determine the change in concentration of Br2 due to dissociation:

Δ[Br2] = -2x, where x is the extent of dissociation in moles

Since 2.00% of Br2 dissociates, we know that x = 0.0200(1.85 mol) = 0.0370 mol

Therefore, Δ[Br2] = -2(0.0370 mol) = -0.0740 M

The equilibrium concentration of Br2 is then:

[Br2]eq = [Br2]initial + Δ[Br2] = 2.534 M - 0.0740 M = 2.460 M

The equilibrium concentration of Br is twice the equilibrium concentration of Br2 (based on the balanced chemical equation):

[Br]eq = 2[Br2]eq = 2(2.460 M) = 4.920 M

Finally, we can calculate the equilibrium constant Kc using the equilibrium concentrations:

Kc = [Br]eq^2 / [Br2]eq = (4.920 M)^2 / 2.460 M = 9.84 M

Therefore, the equilibrium constant Kc for the reaction Br2(g) ⇆ 2Br(g) is 9.84 M.

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The resulting reaction products are an ionic salt (NaCl) and an oxysalt (Ca3(PO4)2.

When NaCl is in contact with water, it dissolves and the water molecules separate their ions, therefore it will be in the aqueous phase.

In contrast, Ca3(PO4)2 is not soluble in water, therefore the molecule will settle out of solution as solid crystals.

So the answer will be C. 3NaCL(aq)+Ca3(PO4)2

Answer:

true

Explanation:

A polyatomic ions is the combination of same kind or different kind of elements with a single charge as a whole . Hence, the statement is true.

What is a polyatomic ions?

A polyatomic ions is a group of elements joined together and possess a single charge as a whole. For example NH₄+. Here, nitrogen with four hydrogens forms a covalent bond with one unit of positive charge as a whole remains.

Polyatomic ions either three or more contains same or different kinds of elements. In the case of CO₃²⁻ , the carbonate ion contains 4 atoms and 2 units of negative charge which is possessed by the whole group.

Similarly, NO₃⁻, SO₄²⁻ etc are other examples of polyatomic ions. They are formed by gaining or losing electrons from their acidic or basic forms. Therefore, the statement is true.

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Explanation:

Plasma is the clear, straw-colored liquid portion of blood that remains after red blood cells, white blood cells, platelets and other cellular components are removed. It is the single largest component of human blood, comprising about 55 percent, and contains water, salts, enzymes, antibodies and other proteins.

Blood plasma is a yellowish liquid component of blood that holds the blood cells of whole blood in suspension. It is the liquid part of the blood that carries cells and proteins throughout the body. It makes up about 55% of the body's total blood volume. It is the intravascular fluid part of extracellular fluid.

Answer: Diffusion is the movement of particles from a high to low particle concentration, while osmosis is the movement of water from a high to a low water concentration.

Explanation:

Answer: option c an electron has a negative charge and is located outside the nucleus revolving in circular path

According to the structure of atom, an electron has a negative charge and is located outside the nucleus.

An atom is defined as the smallest unit of matter which forms an element. Every form of matter whether solid,liquid , gas consists of atoms . Each atom has a nucleus which is composed of protons and neutrons and shells in which the electrons revolve.

The protons are positively charged and neutrons are neutral and hence the nucleus is positively charged. The electrons which revolve around the nucleus are negatively charged and hence the atom as a whole is neutral and stable due to presence of oppositely charged particles.

Atoms of the same element are similar as they have number of sub- atomic particles which on combination do not alter the chemical properties of the substances.

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A colorimeter is a device used to gauge how much heat a solution has absorbed. The concentration of the solute in the solution is inversely correlated with this absorbance.

What is a calorimeter?

A calorimeter is a tool used in calorimetry, a technique for calculating heat capacity and measuring the heat of chemical processes or other physical changes. Among the most popular kinds are differential scanning calorimeters, isothermal micro calorimeters, titration calorimeters, and accelerated rate calorimeters.

One at a time, two chemicals A and B are placed in a calorimeter, and the temperatures before and after the reaction are recorded. The enthalpy change per mole of substance A in the process is calculated using these data. The mass and specific heat capacity of the components can be multiplied by the temperature change to provide an estimate of the amount of energy produced or absorbed during the reaction. The enthalpy change of the reaction is calculated by dividing the energy change by the quantity of A that was present.

One at a time, two chemicals A and B are placed in a calorimeter, and the temperatures before and after the reaction are recorded. The enthalpy change per mole of substance A in the process is calculated using these data. The mass and specific heat capacity of the components can be multiplied by the temperature change to provide an estimate of the amount of energy produced or absorbed during the reaction. The enthalpy change of the reaction is calculated by dividing the energy change by the quantity of A that was present.

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air that is cooling will cause the highest pressure

Explanation:

This is because heat has to escape a certain area and if the heat can't escape then more and more pressure will build up in a area.

Answer:

Friction. Hope I helped.

There are (c) 1 different monochlorobutanes (including stereoisomers) are formed in the free radical chlorination of butane

In the free radical chlorination of butane, the chlorine radical can substitute for one of the four hydrogens on any of the four carbon atoms. This substitution can lead to the formation of different isomers of monochlorobutanes.

The number of different isomers of monochlorobutanes formed in the reaction can be calculated using the formula 2ⁿ, where n is the number of chiral centers or asymmetric carbons. In the case of butane, there are no asymmetric carbons, and therefore the number of different isomers will be 2⁰, which is equal to 1.

Therefore, the answer is (c) 1, and only one isomer of monochlorobutane is formed in the free radical chlorination of butane.

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This taste indicate about some of the compounds in unsweetened chocolate are acidic in nature

How chocolate affect brain ?

Chemically, theobromine is comparable to coffee and stimulates our brains in a similar way. The slight boost we experience after eating chocolate is thought to be caused by theobromine and caffeine, both of which are present in chocolate.

Additionally, dark chocolate may help your brain work better. According to studies, young individuals who consume high flavanol chocolate have better blood flow to their brains. This may help to explain why regular use of cocoa appears to enhance language learning, attention, and memory

Anandamide. Anandamide is a cannabinoid, which means that it influences many of the same brain processes as THC (the major psychoactive active ingredient in cannabis). The human brain naturally produces anandamide, and very minute amounts are also present in chocolate.

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the new volume of the bag of chips in Denver will be approximately 633 ml. The new volume of the bag of chips in Denver will be 633 ml.

According to Boyle's Law, the product of pressure and volume is constant, assuming constant temperature. So, we can use the equation P₁V₁ = P₂V₂ to solve for the new volume (V₂). The initial pressure (P₁) is 1.00 atm, the initial volume (V₁) is 615 ml, the new pressure (P₂) is 0.775 atm, and the new temperature (T₂) is 290 K. Rearranging the equation, we get V₂ = (P₁ * V₁ * T₂) / (P₂ * T₁). Plugging in the values, we have V₂ = (1.00 atm * 615 ml * 290 K) / (0.775 atm * 300 K), which gives us V₂ ≈ 633 ml. Therefore, the new volume of the bag of chips in Denver will be approximately 633 ml.

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Answer:

A Kc of 0.022 is found, which means that the system contains mostly reactants for the conditions of this reaction.  The equation is  Kc = [NH3]^2/([H2]^2[N2]).

Explanation:

The equilibrium constant equation, Kc, for for a reaction

aA + bB = cC + dD

is given by

Kc = ((C^c)(D^d))/((A^a)(B^b)

The reaction of hydrogen with nitrogen to form ammonia is

3H2(g) + N2(g) = 2NH3(g)

The equilibrium constant would be:

Kc = [NH3]^2/([H2]^2[N2])

The equilibrium constant, Kc, for this mixture is:

Kc = (0.040M]^2/((0.60M)^2 (0.20M)

Kc = (0.0016)/(0.072)

Kc = 0.022

A Kc < 1 means that the system contains mostly reactants.

Answer:

"500 Joule/sec" is the right answer.

Explanation:

The given values are:

Force,

F = 1000 N

Velocity,

s = 10 m

Time,

t = 20 s

Now,

The power will be:

=  \(\frac{Force\times Velocity}{Time}\)

On putting the values, we get

=  \(\frac{1000\times 10}{20}\)

=  \(\frac{10000}{20}\)

=  \(500 \ Joule/sec\)

Answer:

The dirty dozen.

Explanation:

This is mainly seen in the control of hazardous waste and its regulations through treaty in the control of persistent organic pollutant(POPs). This regulation is seen to occur in 12 widely used persistent organic pollutants; these are seen to have the ability to absorb and store tissues that make them fatty especially in humans and also animals found in the higher trophic levels or in the food web. That being said, it can be noted that the dirty dozen can move or even attain hundreds, or thousands of levels towards the environ and also in other cases, transporting them through air or water as the case may be.

NaCl crystallizes in a cubic unit cell, meaning each side of the cell is equal in length. In this structure, each corner of the cell has a Cl- ion and each face of the cell has a Na+ ion, totaling 8 Cl- ions and 6 Na+ ions per unit cell. So, there are 8 Cl- ions and 6 Na+ ions in each unit cell of NaCl.

NaCl is an ionic compound, meaning it is composed of a metal cation (Na+) and a nonmetal anion (Cl-). Ionic compounds form when electrons are transferred from the metal to the nonmetal, creating a strong electrostatic attraction between the two ions. The oppositely charged ions are then arranged into a lattice structure with a repeating pattern of alternating cations and anions.

The unit cell of a NaCl crystal is a cube, meaning all the sides of the unit cell are of equal length. A single unit cell of NaCl contains eight Cl- ions at the corners and six Na+ ions at the faces of the cube. Since the unit cell of NaCl is symmetrical, the same arrangement of ions is repeated in each adjacent unit cell of the crystal. The arrangement of ions in a NaCl unit cell is important in understanding its properties. Because the cations and anions are arranged in an alternating pattern, the ions form a strong ionic bond. This bond gives the crystal its hardness and stability, making NaCl one of the most common and widely used compounds.

In summary, each unit cell of NaCl contains 8 Cl- ions at the corners and 6 Na+ ions at the faces, forming a cube of equal sides. The alternating arrangement of cations and anions creates an ionic bond which gives NaCl its hardness and stability.

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Answer:

3) Warm Temperature and High Pressure

Explanation:

I explained this in your other question ;)

Answer:

Warm temp and high pressure

Explanation:

The molar mass of the metal is 191.1g/mol.

Solution:

Since the formula for faraday's law of electrolysis is given by

Since m = 0.1427g, I = 144.2mA = 144.2mA *(1A/1000mA) = 0.1442 A= 0.1442C/s, t = 16min39s = 16min*(60s/1min) = 960+39 = 999 second Z = 2e-mol

Now put all values in the above formula

0.1427 g = (0.1442 C*999s*M*1 mole e-*1 mol/96485C*s*2e-mol)

M = (0.1427g*96485*2/0.1442*999*1)

M = 191.1538 g/mol = 191.1g/mol

Therefore the molar mass of metal will be 191.1g/mol.

For chemical elements that do not have isolated molecules such as carbon and metals, the molar mass is instead calculated by dividing by the number of atomic moles. Molar mass is defined as the mass in grams of one mole of a substance. The unit of molar mass is gram/mole, abbreviated g/mol.

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Most americans overconsume calcium. fiber. added sugars. potassium because in calcium, fiber added sugars, potassium has an healthy and nutrition food and it does't cause diseases.

Adequate intake of calcium is necessary for bone health as well as for basic biological functions such as nerve transmission, vasoconstriction, vasodilation, and muscle contraction. adequate potassium intakes are associated with optimal blood pressure and may reduce the risk of developing kidney stones and bone loss. fiber may protect against cardiovascular disease, obesity, and type 2 diabetes, and it is essential for digestive health. that's why most american's overtake this calcium, fiber added sugars, potassium

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Considering the definition of mass volume percentage, a mass of NaCl of 45 grams is required to prepare 60ml of a 75% solution.

A mass volume percentage is a ratio of the mass of a solute to the volume of the solution, expressed as a percentage. The mass/volume percentage is calculated as the mass of solute divided by the volume of solution:

mass volume percentage= (mass of solute÷ volume of solution)×100%

In this case, you know:

Replacing in the definition of mass volume percentage:

75% grams/mL= (mass of solute÷ 60 mL)×100%

Solving:

75% grams/mL÷100%= mass of solute÷ 60 mL

0.75 grams/mL= mass of solute÷ 60 mL

0.75 grams/mL×60 mL= mass of solute

45 grams= mass of solute

Finally, a mass of NaCl of 45 grams is required.

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Answer:

Explanation: Over the course of a year, areas near Earth’s equator receive more direct energy from the Sun than areas near Earth’s poles.  Which of the following correctly describes one result of this heating pattern?

EDTA (ethylenediaminetetraacetic acid) is commonly used to determine the hardness of water due to its ability to form complexes with metal ions, particularly calcium and magnesium ions.

Water hardness refers to the concentration of calcium and magnesium ions present in water. These ions can cause scaling, reduce the effectiveness of soaps, and have other negative effects. EDTA acts as a chelating agent, meaning it can bind to metal ions and form stable complexes.

In the process of determining water hardness, a known amount of EDTA solution is added to a water sample. The EDTA molecules form complexes with the calcium and magnesium ions present in the water.

The endpoint of the titration is reached when all the metal ions are complexed by the EDTA, resulting in a color change or an indicator reaching a specific endpoint.

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The correct answer to your question is: c. lithium-ion battery. Lithium-ion batteries are rechargeable, making them suitable for various applications like electronics and electric vehicles. In contrast, dry cell and alkaline batteries are typically single-use and not rechargeable.

The correct answer to your question is option c. Lithium ion battery is a rechargeable battery that is commonly used in electronic devices. It is known for its high energy density, which means it can store more energy in a smaller size compared to other types of batteries. In contrast, dry cell and alkaline batteries are typically single-use and not rechargeable. This makes it popular in portable devices such as smartphones, laptops, and tablets. Lithium ion batteries typically last longer than other rechargeable batteries, making them a popular choice for consumers.
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Answer:

The alkali metals/group 1 are recognized as a group and family of elements. These elements are metals. Sodium and potassium are examples of elements in this family. Hydrogen is not considered an alkali metal because the gas does not exhibit the typical properties of the group. The largest family of elements consists of transition metals/group 3-12/group 3a. The center of the periodic table contains the transition metals, plus the two rows below the body of the table (lanthanides and actinides) are special transition metals. Even though both are metals, transition metals have higher melting points; they have higher density; they are less reactive with water; they react and form ions with different charges, but Group 1 metals only form 1+ ions. (Hope the is helpful! You can reword it if you want...)

This yields a mass of 16.47 g of concentrated sulfuric acid.

Sulfuric acid, also known as oil of vitriol, is a strong mineral acid with the molecular formula H2SO4.

Volume of concentrated sulfuric acid needed = 5.00 L x (18.0 m / 10.0 m)

= 9.00 L

Mass of concentrated sulfuric acid needed = 9.00 L x 1.83 g/cm3

= 16.47 g

The volume of concentrated sulfuric acid needed to make 5.00 L of 10.0 m sulfuric acid can be calculated by multiplying the volume of the solution (5.00 L) by the molarity of the concentrated sulfuric acid (18.0 m) divided by the desired molarity of the solution (10.0 m). This yields a volume of 9.00 L of concentrated sulfuric acid. The mass of concentrated sulfuric acid needed can then be calculated by multiplying the volume of concentrated sulfuric acid (9.00 L) by the density of sulfuric acid (1.83 g/cm3). This yields a mass of 16.47 g of concentrated sulfuric acid.

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