Give the name for the alkyl.​

ANSWER

B po yung ans:)

Bromine is a chemical element with the symbol Br and atomic number 35. It is the third-lightest halogen and is a volatile red-brown liquid at room temperature that evaporates readily to form a similarly coloured vapour.

Answer:

Bromine is a nonmetal in group 7 or group 17, known as the halogens. It has 7 valence electrons.

So the correct answer is "nonmetal, 7 valence electrons"

The pressure of the given moles of propane with the given volume and temperature is 1.024atm.

The Ideal gas law or general gas equation emphasizes on the state or behavior of a hypothetical ideal gas. It states that "the pressure multiplied by volume is equal to moles multiply by the universal gas constant multiply by temperature.

It is expressed as;

PV = nRT

Where P is pressure, V is volume, n is the amount of substance, T is temperature and R is the ideal gas constant ( 0.08206 Latm/molK )

Given the data in the question;

PV = nRT

P = nRT / V

P = ( 13mol × 0.08206Latm/molK × 288K ) / 300L

P = 307.23264Latm / 300L

P = 1.024atm

Therefore, the pressure of the given moles of propane with the given volume and temperature is 1.024atm.

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Answer:

To determine whether a substance is an acid or a base, count the hydrogens on each substance before and after the reaction. If the number of hydrogens has decreased that substance is the acid (donates hydrogen ions). If the number of hydrogens has increased that substance is the base (accepts hydrogen ions

there an A B C D thing?

Explanation:

890

Answer: thrusters

Explanation: got it right

IUPAC is the universal nomenclature method that is used to give the names of the chemical compounds. The compounds are ethene, propionaldehyde, and propanone.

Functional groups are the particular side groups that are added to the main chain to exhibit a specific property and character to the atom. In the first compound, the presence of the double bond makes it alkene, and the two carbons make the compound ethene.

The second compound has an aldehydic group with suffix -al and three carbon making it propanal, similarly, the third compound is propanone as it has ketone as the functional group and three carbon atoms in the chain.

Therefore, the compounds are ethene, propanal, and propanone.

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Answer:

18.375 gm left

Explanation:

1/2 ^4 = 1/16th will be left     (see the '4' representing 4 half lives?)

294 * 1/16 = 18.375 gm

Answer:

400°C

Explanation:

22,000 cal / (0.11 cal/g°C x 500 g) = 400°C

Answer:

400 C degree change

Explanation:

22 000 cal = 500 g * (C) * .11 cal / g-C

C = 22 000 / (500*.11)   = 400 C  degree change

law of conservation of matter

hope it helps...!!!

Answer: The primary consumers are zooplankton, corals, sponges, Atlantic blue tang, and queen conch.

Explanation:

Answer:

it would occur when there are two different metals involved.

The non-contact forces portfolio includes Gravitational force, Magnetic force and Electrostatic force.

Non contact forces are those forces which are applied on any object without any physical interference or contact.

Some non-contact forces are:

Hence Gravitational force, Magnetic force and Electrostatic force are the non-contact forces.

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Answer:

in a solution of salt in water, the solute is salt, and solvent is water.

Explanation:

C) salt is the solute, water is the solvent.

Answer:

C

Explanation:

:)

Answer:

nonmetals and non metals because valence electrons are shared

Explanation:

please take note that ionic bond only occur between nonmetals and metals whereas covalent bonds only occur between nonmetals and nonmetals

The amount of energy released by the reaction b. 3.28 x 10(-37)J

A nuclear fission reaction in which the nucleus is divided into numerous small nuclei.

The mass difference is 0.0593

To calculate the energy

[tex]E = \Delta mc^2\\\\c = 3 \times 10^8\;m/s\\\\m = 3.86 \times 10^-^3 \;kg\\[/tex]

Putting the values in the equation

[tex]E = (0.0593) (3 \times 10^8\;m/s)^2 = 5.337 \times 10^1^5[/tex]

Thus, the correct option is b. 3.28 x 10(-37)J

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The statement that is a characteristic of water is strong cohesion. Details about characteristics of water can be found below.

Water is a unique molecule which is attributed to its unique characteristics or features.

Water is made up of two hydrogen atoms and one oxygen atom that are chemically bonded to one another.

Some of the characteristics of water are as follows:

Therefore, the statement that is a characteristic of water is strong cohesion.

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The chemical change producing a solid would be [tex]2AgNO_3(aq) + CaBr_2(aq) --- > 2AgBr(s) + Ca(NO_3)_2(aq)[/tex]

They are reactions involving two soluble salts with one of the products being an insoluble salt.

In the reaction below: [tex]2AgNO_3(aq) + CaBr_2(aq) --- > 2AgBr(s) + Ca(NO_3)_2(aq)[/tex]

[tex]AgNO_3[/tex] and [tex]CaBr_2[/tex] are soluble salts while [tex]AgBr[/tex] produced is an insoluble salt. The insoluble salt is a solid.

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Answer: 2AgNO3(aq)+CaBr2(aq)—>2AgBr(s)+Ca(NO3)2(aq)

Explanation:

just did on apex; 2AgNO3(aq)+CaBr2(aq)>2AgBr(s)+Ca(NO3)2(aq)

Answer:

scientific literacy provide essential tools for surviving in the news jungle and for responsible citizenship. They also teach us to understand our own actions, to review them critically, and to take care of our rights. This is why science education is important

Explanation:

The three macroscopic properties of a gas in terms of the microscopic nature of atoms and the molecules making up the gas is explained by the kinetic theory of gases. The macroscopic properties like pressure, volume and temperature are used to study a gas.

The kinetic theory of gases is a theoretical model which describes the molecular composition of the gas in terms of a large number of submicroscopic particles which include atoms and molecules. Gas is a combination of large number of atoms or molecules.

The kinetic theory of gases considers that the atoms or molecules of a gas are constantly moving point masses which contain a huge inter-particle distance and may undergo perfect elastic collisions.

1. Since the particles are in motion, the average kinetic energy is proportional to the temperature of the gas. So when the inflated balloon is placed in a freezer, the balloon shrinks due to decrease in temperature.

2. When balloon is kept outside in the sun, it will burst due to expansion of gases.

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Answer: The temperature of the gas if 65.85g of N2 are placed in 17.5L container with a pressure of 1988 mmHg is 1780. 6° C

Explanation:

The ideal gas law states that the volume, pressure and temperature of the a gas is related to the number of moles.

It is represented thus;

P V = n R T

Parameters :

Pressure, P = 1988 mmHg

Volume, V = 17.5 L

number of moles, n = mass ÷ molar mass

mass of N2 = 65.84g

Molar mass of N2 = 28.02 g/ mol

n = 65.85 ÷ 28.02

n = 2. 350 moles.

Temperature = ?

Universal gas constant, R = 8.314 J/mol. K

Calculations :

T = P V ÷ n R

T = 1988 × 17.5 ÷ 2.350 × 8.314

T = 34790 ÷ 19. 5379

T = 1780. 6 ° C

Thus, the temperature of the gas is 1780. 6 ° C

The unbalanced equations are the equations with different atomic numbers on the sides of the reaction. The unbalanced reaction is Na + Cl₂ → NaCl

Balanced equations are the chemical reaction representation that has an equal number of the atomic number of the same species on the left and the right side of the reaction.

An unbalanced equation between sodium metal and chloride can be shown as:

Na + Cl₂ → NaCl

The equation is unbalanced as the number of chloride ions is more on the reactant side than the product side.

The balanced reaction will be:

2 Na + Cl₂  2NaCl

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When an acid reacts in a reaction, it donates hydrogen ion as the only positive ion.

According to Bronsted-Lowry's definition, an acid is a substance that donates hydrogen ions as the only positive ion in reactions.

Following this definition, it can be concluded that when an acid reacts with another substance, it donates one or more hydrogen ions.

A good example is shown in the equation below:

[tex]HCl + KOH --- > KCl + H_2O[/tex]

In the reaction above, HCl donated a hydrogen ion.

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Answer:

a

Explanation:

just took the quiz and this is correct.

Answer:

activation energy

Explanation:

it is activation energy becauseThe activation energy for the forward reaction is the amount of

free energy that must be added to go from the energy level of the

reactants to the energy level of the transition state

Answer:

The formula is CI 3 I. Hope this helps!

Answer:

ICl3.

Explanation: trust me

Answer:

The answer is B. The number of atoms on each side of the reaction arrow must be the same.

Explanation:

Check your work to make certain you have the same number and type of atoms on the reactants side as on the products side

Answer:

4198.97404999

Explanation:

In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all of these products together.

Using the chemical formula of the compound and the periodic table of elements, we can add up the atomic weights and calculate molecular weight of the substance.

If the formula used in calculating molar mass is the molecular formula, the formula weight computed is the molecular weight. The percentage by weight of any atom or group of atoms in a compound can be computed by dividing the total weight of the atom (or group of atoms) in the formula by the formula weight and multiplying by 100.

Isopropanol burns in oxygen to yield carbon dioxide, water, and heat. the word equation that best represents this chemical reaction is isopropanol oxygen ---> carbon dioxide + water + heat. Option C. This is further explained below.

Generally, A chemical reaction is simply defined as a process that converts compounds known as reactants into distinct substances, known as products.

In conclusion, In the presence of oxygen, isopropanol burns to produce carbon dioxide, water, and heat. This chemical reaction is best represented by the word equation isopropanol oxygen= Carbon dioxide + water + heat

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Answer:

C: isopropanol + oxygen -> carbon dioxide + water + heat

Anders Celsius made the centigrade thermometer.