What kind of information does this map show?
A. The roads that connect different cities
OB. The shapes of different landforms
O C. The elevation of Earth's surface features
D. The natural resources found in different areas

By substituting the known values into the equation, we can calculate the new gas pressure.

The new gas pressure can be calculated using the combined gas law equation, which relates the initial and final conditions of temperature, volume, and pressure. The combined gas law equation is:

(P1 x V1) / (T1) = (P2 x V2) / (T2)

Where:
P1 = initial pressure
V1 = initial volume
T1 = initial temperature
P2 = final pressure (to be determined)
V2 = final volume (constant volume of 5.25L)
T2 = final temperature

Given:
Initial sample mass (m1) = 10.8g
Final sample mass (m2) = 2.3g
Initial volume (V1) = 5.25L
Initial temperature (T1) = 25°C + 273.15 = 298.15K
Final temperature (T2) = 68°C + 273.15 = 341.15K
Initial pressure (P1) = 766mmHg

First, we need to find the initial moles of gas using the ideal gas law equation, PV = nRT, where R is the ideal gas constant. Rearranging the equation, we have:

n = (PV) / (RT)

By substituting the given values into the equation, we can calculate the initial moles (n1) of the gas.

Next, we need to find the final moles of gas (n2) by adding the mass of the gas added (m2) to the initial moles (n1).

Once we have both initial and final moles, we can calculate the final pressure (P2) using the equation:

P2 = (n2 x R x T2) / V2

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Answer: left

Explanation: The element that appears farthest to the

✔ left

is written first in the chemical name of a covalent compound.

The overall order for this reaction is 3.

The overall order of a chemical reaction is determined by adding up the individual orders of each reactant in the rate law equation. In this case, the rate law is given as rate = k [A]0[B]1[C]2, where the exponents represent the orders of each reactant.

Since the order of A is 0, it does not affect the rate of the reaction. The order of B is 1, which means that the rate is directly proportional to the concentration of B.

Finally, the order of C is 2, which means that the rate is proportional to the square of the concentration of C. Adding up the orders of all the reactants gives an overall order of 3 for this reaction.

0 + 1 + 2 = 3

Therefore, the reaction is third order overall.

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Answer:

Evolution is only a theory. It is not a fact or a scientific law. Many people learned in elementary school that a theory falls in the middle of a hierarchy of certainty—above a mere hypothesis but below a law. Scientists do not use the terms that way, however

Answer:

Alkane

Alkene

Alkyne

Explanation:

Alkane=1 bond (Saturated hydrocarbon)

Alkene= 2 bonds (Unsaturated hydrocarbon)

Alkyne= triple bonds (Unsaturated hydrocarbon)

Formula of Alkane = CnH2n+2

Formula of Alkene = CnH2n

Formula of Alkyne = CnH2n-2

To solve this problem, let's use the definition for molarity:

Replacing the values of the problem:

Now, to find the mass, we multiply by the molecular weight of NaCl. (Which is about 58.44g/mol)

The answer is approximately 22.2g of NaCl

Answer:

1.8 * 10^24 atoms

Explanation:

n = M(B) / m = 10.8 / 3.60 = 3 mol

N = n * Na = 3 * 6*10^23 = 1.8 * 10^24 atoms

26.4 grams of sodium iodide must be used to produce 44.8 grams of iodine in the given reaction : NaI+Cl₂→I₂+NaCl

The amount of sodium iodide (NaI) required to produce 44.8 grams of iodine (I₂) in the given reaction, we need to consider the balanced chemical equation and the molar masses of the substances involved.

The balanced equation shows that 1 mole of sodium iodide (NaI) reacts to produce 1 mole of iodine (I₂).

The molar mass of iodine (I₂) is 253.8 grams/mol.

Using these values, we can set up a proportion to calculate the amount of sodium iodide needed:

(44.8 g I₂) / (253.8 g/mol I₂) = (x g NaI) / (149.9 g/mol NaI)

Solving for x, the amount of sodium iodide needed, we have:

x = (44.8 g I₂) × (149.9 g/mol NaI) / (253.8 g/mol I₂)

x ≈ 26.4 grams

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Answer :                                                                                                                      

   The element X which ha a smaller atomic radius than strontium , a larger ionization energy  than phosphorous , and a smaller elctronegativity than chlorine is Nitrogen

Explanation:

 Here are some properties of Nitrogen-

Hence , the X element is NITROGEN.

The molar heat of combustion of the organic compound is approximately 283 kJ/mol.

To calculate the molar heat of combustion of the organic compound, we need to determine the heat absorbed by the calorimeter and then divide it by the number of moles of the organic compound.

Number of moles (n) = 0.183 mol

Heat capacity of the calorimeter (C) = 10.5 kJ/oC

Temperature increase (ΔT) = 4.92 oC

First, let's calculate the heat absorbed by the calorimeter using the formula: q = C * ΔT

q = 10.5 kJ/oC * 4.92 oC

q = 51.66 kJ

Now, we can find the molar heat of combustion (ΔH) by dividing the heat absorbed by the calorimeter by the number of moles of the organic compound: ΔH = q / n

ΔH = 51.66 kJ / 0.183 mol

ΔH ≈ 282.62 kJ/mol

Rounding to the correct number of significant figures, the molar heat of combustion of the organic compound is approximately 283 kJ/mol.

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The value of Long Life Floors stock 5 years from today will be approximately $27.67 per share.

To calculate the value of the stock, we can use the dividend discount model (DDM). The DDM takes into account the present value of expected future dividends. In this case, the expected future dividends can be calculated by increasing the current dividend of $4 by 3 percent annually for five years. So, the expected dividends in five years would be $4 * (1 + 0.03)^5 = $4.62 per share.

Using a discount rate of 14 percent, we can calculate the present value of the expected future dividends. The formula for calculating the present value is: Present Value = Future Value / (1 + Discount Rate)^n, where n is the number of periods (in this case, 5 years).

Using the formula, the present value of the expected future dividends is: $4.62 / (1 + 0.14)^5 = $2.376 per share.

Therefore, the value of Long Life Floors stock 5 years from today is approximately $2.376 per share.

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Answer:

8

Explain

H: Ignoring the coefficient, we know there's 5+3=8 atoms

The correct sequence of events in cholesterol synthesis is HMG –CoA > phosphomevalonate > isopentenyl pyrophosphate > dimethylallyl pyrophosphate > geranyl pyrophosphate > farnesyl pyrophosphate > squalene > lanosterol > cholesterol.  

HMG-CoA: The precursor of cholesterol is HMG-CoA (3-hydroxy-3-methylglutaryl-coenzyme A). The synthesis of HMG-CoA occurs in the cytoplasm of cells.

Isopentenyl pyrophosphate: HMG-CoA undergoes a series of reactions to form mevalonate. Isopentenyl pyrophosphate is formed from mevalonate by the conversion of mevalonate to mevalonate-5-phosphate.

Dimethylallyl pyrophosphate: Isopentenyl pyrophosphate condenses with dimethylallyl pyrophosphate to produce geranyl pyrophosphate.

Geranyl pyrophosphate: Geranyl pyrophosphate is transformed into farnesyl pyrophosphate by the addition of another molecule of isopentenyl pyrophosphate.

Farnesyl pyrophosphate: Farnesyl pyrophosphate is transformed into squalene by the removal of two phosphate groups.

Squalene: Two squalene molecules join together to form the first cyclic intermediate, lanosterol.

Lanosterol: Lanosterol is then transformed into cholesterol through a series of reactions.

Therefore, the correct option among the given options in the question is HMG –CoA > phosphomevalonate > squalene >farnesyl pyrophosphate.

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Answer:

Hot chocolate is as straightforward as drinks go: at its core, it's milk, cocoa powder, and sugar. Despite its simplicity, this cold-weather classic is swirling with science. The backbone of any decent hot chocolate is milk. Beyond water, milk is perhaps the most basic and familiar substance to humans.

Answer:

118

Explanation:

The discovery of the 118 chemical element known to exist us of 2021

Answer:

C. The molecules move slower

Explanation:

Answer:

"The last digit in any number is referred to as the estimated digit."

Explanation:

So it should be 2

Answer:

\(9.6e - 5\)

this is the answer to that problem

Given parameters:

Volume  = 96 milliliters

Problem;

Convert into kiloliters

These are volume units which represent the amount of space a body occupies. We use volume for a solid body and fluids.

  We are to convert milliliters to kiloliters;

       milli- and  kilo- are prefixes

           milli = \(\frac{1}{1000}\)      kilo  = 1000

Since the standard of comparison is liters, let us establish the relationship;

               1000mL = 1L

               1000L  = 1kL

where mL denotes milliters and kL denotes kiloliters;

  Now we can solve;

      Since

            1000mL  = 1L

               96mL  =  x

              1000x  = 96

                      x = \(\frac{96}{1000}\)  = 0.096L

Now we convert this volume to kL, kiloliters;

              1000L  = 1KL

              0.096L  = x

                    1000x  = 0.096

                            x  = \(\frac{0.096}{1000}\)   = 9.6 x 10⁻⁵kL

Therefore in 96mL equals 9.6 x 10⁻⁵kL

s = w/M *1/V

S =n/V

n =SV

n = 6*0.335

n = 1.95 moles

\(\huge\fbox{Answer ☘}\)

Chemists use the mole unit to represent 6.022 × 10 23 things, whether the things are atoms of elements or molecules of compounds. This number, called Avogadro's number, is important because this number of atoms or molecules has the same mass in grams as one atom or molecule has in atomic mass units.

hope helpful~

Answer:

NaCl

Explanation:

Na is the symbol of sodium. Cl is the symbol of chlorine

Answer:

hope it's helpful for you

Explanation:

please make brainlist answer

Answer:

Explanation:

Decomposition reaction, also known as analysis or dissociation, is a type of chemical reaction in which a compound breaks down into simpler substances or elements. In this reaction, a single reactant undergoes a chemical change and produces two or more products.

The decomposition reaction can be represented by the general equation:

AB → A + B

Where AB is the reactant, and A and B are the products. The reactant AB is usually a compound, and it breaks down into its constituent elements or simpler compounds.

There are different types of decomposition reactions, including:

Thermal decomposition: It occurs when a compound is heated, resulting in its decomposition into simpler substances. For example, the thermal decomposition of calcium carbonate (CaCO3) produces calcium oxide (CaO) and carbon dioxide (CO2):

CaCO3 → CaO + CO2

Electrolytic decomposition: It takes place when an electric current is passed through an electrolyte, causing it to break down into its component ions. For instance, the electrolysis of water (H2O) leads to the decomposition into hydrogen gas (H2) and oxygen gas (O2):

2H2O → 2H2 + O2

Photochemical decomposition: It occurs when a compound undergoes decomposition due to exposure to light energy. Chlorine gas (Cl2) can decompose into chlorine atoms (Cl) under the influence of light:

Cl2 → 2Cl

These are just a few examples of decomposition reactions. They are important in various chemical processes and are used in industries, laboratory experiments, and natural phenomena. By understanding and controlling decomposition reactions, scientists can gain insights into the behavior of different compounds and develop practical applications in fields such as chemistry, materials science, and environmental science.

Answer:

Explanation:

reaction in which a compound breaks down into simpler substances or elements

If two atoms are joined by a polar covalent bond, the shared electrons will tend to stay closer to the atom with the higher electronegativity

An atom's ability to attract the electrons of a bond is known as its electronegativity, and it rises as this propensity does. A covalent bond is formed when two coupled atoms with the same electronegativity values are in close proximity to one another.

In a chemical bond, the more electronegative atom often attracts the electrons more than the other atom. A polar covalent bond is the result of this. The electrons are not at all shared if the electronegativity values are drastically different. To create an ionic bond, one atom effectively accepts the bond electrons from the other atom.

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Answer:

a. "-ic"

Explanation:

The correct answer is a. "-ic".

For example:

Following the same logic, the name for HBr is Hydrobromic acid; and the name for HI is Hydroiodic acid.

Answer:

This question appears incomplete

Explanation:

However, the direction in which the tension acting on the rope is directed is the direction the rope will move. Hence, when a rope is attached to an object, the rope will only "realistically" move in the opposite direction because the rope cannot push an object but can only pull an object, hence can only move in the direction away from the object.

NOTE: Tension can be defined as the pulling force of an object through the use of a string, chain or anything with a potential to stretch fully.

128.8 atm is the work in atm done on the gas during this process.

W=pV, W = p V, where W is work, p is pressure, and V is the change in gas volume, can be used to calculate the work performed by a gas under a constant pressure.

The formula Work = Force Distance can be used to compute work. The joule (J) or Newton-meter (N-m) is the SI unit for work. The amount of work required to move an item one meter with one newton of force is equal to one joule.

Work done during a gas's expansion includes:

W = -PΔV

W = -P( Vfinal - Vintial)

w =  -92 ( 2.5 - 1.1 )

w = 128.8 atm

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Answer:

Because something that experiences change in magnitude or the direction of the velocity is said to be acceleration .

Explanation:

Explanation:

location:

charge: 89%

relative:t h e y r e f i n e , a n d so a n d t h e n

t h a n k s f o r t h e p o i n t s

completely saturated with salt to freshwater. ... Salt marshes, estuaries, and mangrove forests are each unique ecosystems in ... These areas often serve as nursing grounds where young marine life is ... Several reptiles reside in the salt marsh habitat,