How to make crystals using table salt?
Please help I"ll mark you as the BRAINLIEST!!!

Explanation:

because carbon atom can move its particle

Based on the given reactions, the compounds are as follows:

A: The specific product formed from the reaction between prop-1-yne and either 2HBr or H2O2.

B: The product formed when compound A reacts with 2H2O.

C: The product formed when compound B reacts with K2CO3(aq).

D: The product formed from the heat-induced reaction of compound C.

E: The product formed when compound D reacts with HBr.

Based on the given reactions, let's analyze the compounds involved:

Reaction 1: prop-1-yne + 2HBr/H2O2 = A

The reactant prop-1-yne reacts with either 2HBr or H2O2 to form compound A. The specific product formed will depend on the reaction conditions.

Reaction 2: A + 2H2O = B

Compound A reacts with 2H2O (water) to form compound B.

Reaction 3: B + K2CO3(aq) = C

Compound B reacts with K2CO3(aq) (potassium carbonate dissolved in water) to form compound C.

Reaction 4: C + heat = D

Compound C undergoes a heat-induced reaction to form compound D.

Reaction 5: D + HBr = E

Compound D reacts with HBr (hydrobromic acid) to form compound E.

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Answer:

Chlorophyll-a/b-carotenoid complexes, known as light harvesting complexes, protect photosynthetic system from strong light. Chlorophylls are insoluble in water due to the absence of polar groups.

Explanation:

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they are caused by winds and changes in seawater density.

Answer:

2.34 gms left

Explanation:

3 weeks = 21 days   =    7 half lives

300 * (1/2)^7 = 2.34 gms

Mangrove trees' robust roots aid in stabilizing the soil and preventing soil erosion. This is especially crucial in swampy coastal locations, where the soil is frequently loose and prone to wind and wave erosion. Mangrove trees work to stabilize the coastline and stop land erosion by securing the soil in place.

Mangrove trees also aid in removing contaminants from the water, enhancing the quality of the water in coastal areas while serving as an essential home for a variety of wildlife species. Mangrove trees contribute significantly to environmental protection and are an essential component of coastal ecosystems.

Mangrove trees are crucial for environmental preservation because they hold the soil in place and stop erosion in marshy coastal areas. They also provide crucial habitats for numerous wildlife species, stabilize the coastline, and stop the land from being lost to erosion while enhancing water quality by filtering pollutants from the ocean.

Mangrove trees are an essential part of coastal ecosystems overall, and preserving them is essential for preserving a healthy and sustainable environment.

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Answer:

hshssytdtctdyeheb

Explanation:

yye6d66d6d6dududyydydydyehwj2

The process of cell division involved in the production of the new plant from the original plant in this scenario is mitosis only

Mitosis is a type of cell division that occurs in eukaryotic cells, which includes most cells in the human body. It is a process by which a single cell divides into two identical daughter cells, each having the same number of chromosomes and genetic information as the parent cell.

The process of mitosis is divided into several stages, including prophase, prometaphase, metaphase, anaphase, and telophase.

When Akash clips the stem of the houseplant and places it in water, the cells in the stem undergo mitosis to produce new cells that eventually differentiate into roots. These new cells are genetically identical to the cells in the original stem, which is a characteristic of mitosis.

After the roots have formed, Akash plants the clipped stem in a new pot, and the cells in the stem continue to undergo mitosis to produce new cells that differentiate into the various tissues and organs of the new plant. Again, all of these cells are genetically identical to the cells in the original stem, indicating that mitosis is the only process of cell division involved in this scenario.

Therefore, Mitosis plays a crucial role in the growth and repair of tissues in the body. It allows cells to divide and replicate themselves, creating new cells that can replace damaged or dead cells. It also plays a role in asexual reproduction in some organisms, such as fungi and plants.

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Answer:Mitosis

Explanation:

The mass of nitroglycerin : 34.52 g

Reaction

4C₃H₅N₃O₉ ⇒ 12 CO₂ + 10H₂O + 6N₂ +O₂

Volume = 10 L

Temperature = -5°C=268 °K

Pressure = 1 atm

mol of CO₂ (ideal gas) :

\(\tt n=\dfrac{PV}{RT}\\\\n=\dfrac{1\times 10}{0.082\times 268}\\\\n=0.455\)

mol ratio C₃H₅N₃O₉ : mol CO₂= 4 : 12, so mol C₃H₅N₃O₉ :

\(\tt \dfrac{4}{12}\times 0.455=0.152\)

mass C₃H₅N₃O₉ (MW=227,0865 g/mol):

\(\tt 0.152\times 227.0865=\boxed{\bold{34.52~g}}\)

Answer:  1,950 N

Explanation:

2812.5N of force is needed to accelerate a 1,875 kg object at a rate of 1.5 m/s².

HOW TO CALCULATE FORCE:

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Answer:

its c

Explanation:

The limiting reactant is N₂O₄ and the mass of N₂ formed from the reaction is 45.7 g (Option C)

The limiting reactant can be obtained as illusrated below:

N₂O₄ + 2N₂H₄ -> 3N₂ + 4H₂O

From the balanced equation above,

92.02 g of N₂O₄ reacted with 64.1 g of N₂H₄

Therefore,

50 g of N₂O₄ will react with = (50 × 64.1) / 92.02 = 34.83 g of N₂H₄

From the above calculation, we can see that only 34.83 g of N₂H₄ out of 45.0 g reacted.

Thus, the limiting reactant is N₂O₄

The limiting reactant shall be used in this case in order to obtain a maximum yield of N₂. Details below:

92.02 g of N₂O₄ reacted to produce 84.06 g of N₂

Therefore,

50 g of N₂O₄ will react to produce = (50 × 84.06) / 92.02 = 45.7 g of N₂

Thus, the mass of N₂ formed is 45.7 g

Therefore, the correct answer to the question is (Option C)

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The correct option for the above question is Potential energy changes to kinetic energy, then some kinetic energy changes to potential energy.

Potential energy is the energy of position that a thing has stored inside it. It is defined as energy stored in an item as a function of its height and is more commonly referred to in this context as gravitational potential energy. Because of the Earth's gravitational pull on the item, the energy is captured. The mass of the automobile and the height at which it is located are two factors that affect the gravitational potential energy of the car at point X.

Potential energy equals m×g×h

M= mass

G stands for gravitational acceleration

Height is H.

Kinetic energy is 0 at the top.

Motion is created by kinetic energy. Whether an item is moving vertically or horizontally, it contains kinetic energy.

Potential energy is transformed into kinetic energy when the automobile rolls down.

Kinetic energy= 0·5 mv²

m= mass

v= velocity

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Answer:

Energy equals mass times the speed of light squared.

Explanation:

can i get brainliest? lol :) hope that helps

Answer:

E=mc2 means energy equals matter to the speed of light by the power of 2

Explanation:

Answer:

Example problem

Explanation:

A 6.00 L sample at 25.0 °C and 2.00 atm contains 0.500 mol of gas. If we add 0.250 mol of gas at the same pressure and temperature, what is the final total volume of the gas?

Solution

The formula for Avogadro's law is:

V1/n1=V2/n2

V1=6.00 L

n1=0.500 mol

V2=?

;m

ml

n2=0.500 mol + 0.250 mol = 0.750 mol

V2=V1×n2/n1

V2=6.00 L×0.750mol

0.500

mol=9.00 L

C₃H₈ has an empirical formula mass of 44 g/mol. Hence, C₃H₈ is also the molecular formula.

When twο οr mοre distinct elements are chemically mixed in a specific ratiο, the resultant substance is knοwn as a cοmpοund.  Chemical bοnds, such as cοvalent bοnds, iοnic bοnds, οr metallic bοnds, hοld the cοnstituent parts οf a cοmpοund tοgether.

We must first cοmpute the mοles οf each element present in the cοmpοund in οrder tο derive its empirical fοrmula.

We can figure οut hοw many mοles οf carbοn and hydrοgen there are in 100 g οf the chemical by dοing the fοllοwing calculatiοn:

81.71 g / 12.011 g/mol = 6.80 moles of carbon

18.29 g / 1.008 g/mol of hydrogen = 18.15 moles.

The simplest whole number ratio of carbon to hydrogen atoms must next be determined. In order to do this, we divide both values by the lesser amount, in this case 6.80 moles:

Carbon: 6.80 moles / 6.80 moles = 1.00 Hydrogen: 18.15 moles / 6.80 moles = 2.67

To get whole numbers, we must multiply both values by a factor. By multiplying each by 3, the smallest whole number ratio is obtained:

1.00 x 3 = 3 carbon

2.67 x 3 = 8.01 x 8 for hydrogen.

As a result, the compound's empirical formula is C₃H₈.

Knowing the compound's molecular weight is necessary to determine its molecular formula. The compound's MWt (molecular weight) is 44, as stated.

C₃H₈ has an empirical formula mass of 44 g/mol. Hence, C₃H₈ is also the molecular formula.

Any molecule with the empirical formula C₃H₈, like propane, might be the structural formula of the chemical (CH₃CH₂CH₃).

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Two types of data that can be obtained from descriptive statistics include frequency distribution and variability in the data set. These data are calculated as the mean of standard deviation in the case of variation.

The relative importance of the science field of descriptive statistics is based on the obtention of statistically significant measurements in order to validate a hypothesis.

Therefore, with this data, we can see that the relative importance of the science field of descriptive statistics is based on testing working hypotheses.

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INFORMATION:

We must select what are the only elements that make up organic compounds

STEP BY STEP EXPLANATION:

There are millions of organic compounds that occur naturally or can be produced synthetically. Examples of organic compounds are carbohydrates, fats (lipids), proteins, and nucleic acids, which are the basis for the molecules of life. Organic compounds also include petroleum and natural gas, which are the main components of fossil fuels.

An organic compound is any of a large class of chemical compounds in which one or more atoms of carbon are covalently linked to atoms of other elements, most commonly hydrogen, oxygen, or nitrogen.

Finally, we can state that the elements that make up organic compounds are carbon, hydrogen, oxygen, and nitrogen.

ANSWER:

D) Carbon, hydrogen, oxygen, and nitrogen

The limiting reactant in the reaction is HCl

The amount of products that can be formed in the reaction is:

4.33 moles of AlCl₃

6.5 moles of H₂

A limiting reactant is a reactant that is used up in a reaction.

The limiting reactant when once used up, and the reaction stops. Thus, the limiting reactant produces the least amount of product from the reactants that are present.

Considering the given reaction:

2 Al + 6 HCl ---> 2 AlCl₃ + 3H₂

The mole ratio of the reactants aluminum and hydrochloric acid is 2 : 6

Hence, 13 moles of HCl will require 13 * 2/6 moles of Al = 4.33 moles of Al

Hence, HCl is the limiting reactant.

The amount of products that can be formed is:

AlCl₃ = 13 * 2/6

AlCl₃ = 4.33 moles

H₂ = 13 * 3/6

H₂= 6.5 moles

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Answer:

The molecular formula of maltose is C12H22O11.

Answer:

uty tyuuuuuuuuuA) 1,280  

B) 320  

C) 144  

C) 80

Explanation:

A) 1,280  

B) 320  

C) 144  

C) 80

A voltaic cell is used to produce electrical energy with the help of chemical reactions.

Relating to, or producing direct electric current by chemical action.

A Voltaic Cell (also known as a Galvanic Cell) is an electrochemical cell that uses spontaneous redox reactions to generate electricity. It consists of two separate half-cells.

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Answer: 0.983 moles of carbon dioxide are present

Explanation:

To determine the number of moles of carbon dioxide (CO₂) present when there are 11.8 x 10²³ atoms of oxygen, we need to consider the molecular formula of carbon dioxide.

The molecular formula of carbon dioxide (CO₂) indicates that there is one carbon atom and two oxygen atoms in each molecule of carbon dioxide.

Given that there are 11.8 x 10²³ atoms of oxygen, we can divide this number by 2 to determine the number of carbon dioxide molecules present, since each molecule of carbon dioxide contains two oxygen atoms.

Number of carbon dioxide molecules = \(\frac{11.8 X 10^2^3 atoms of oxygen }{2}\)

Next, we can use Avogadro's number, which states that there are approximately 6.022 x 10²³molecules per mole, to convert the number of carbon dioxide molecules to moles.

Number of moles of carbon dioxide = (11.8 x 10²³ atoms of oxygen / 2) / (6.022 x 10^23 molecules per mole)

Evaluating this expression, we get:

Number of moles of carbon dioxide = 0.983 moles

According to postulates of the Dalton's atomic theory, atoms of same element are identical in all respects i.e., in shape, size, mass and chemical properties. However, after the discovery of isotopes, it was modified as : atoms of same element may not be similar in all respects

Taking into account the definition of molarity, the number of moles of MgCl₂ present in 60.0 mL of 0.100 M MgCl₂ solution is 0.006 moles.

Molarity is a measure of the concentration of a solute in a solution and indicates the number of moles of solute that are dissolved in a given volume.

The molarity of a solution is calculated by:

molarity= number of moles of solute÷ volume

Molarity is expressed in units moles/L.

In this case, you have:

Replacing in the definition of molarity:

0.100 M=number of moles of MgCl₂÷ 0.06 L

Solving:

0.100 M × 0.06 L= number of moles of MgCl₂

0.006 moles= number of moles of MgCl₂

Finally, the number of moles of MgCl₂ is 0.006 moles.

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Answer:

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Answer:

A: Train I had the fastest average speed

C: Trains II and V had the same average speed

E: Trains III and IV had the same average speed

Explanation:

The total mass of the balloon and its content is 1521.17 g, the number of moles of CO₂ in the balloon is 34.15 mol, and the number of CO₂ molecules in the balloon is 2.06 x 10²⁵ molecules.

a) The molar mass of CO₂ is 44.01 g/mol. To find the total mass of the balloon and its content, we need to add the mass of the balloon (20g) to the mass of the CO₂ inside the balloon.

Mass of CO₂ = number of moles of CO₂ x molar mass of CO₂

Since the balloon is at STP (standard temperature and pressure), we can use the molar volume of a gas at STP (22.4 L/mol) to find the number of moles of CO₂ in the balloon:

Volume of CO₂ = Volume of balloon = 765 L (at STP)

Number of moles of CO₂ = volume of CO₂ / molar volume of a gas at STP

                                          = 765 L / 22.4 L/mol

                                          = 34.15 mol

Mass of CO₂ = 34.15 mol x 44.01 g/mol

                       = 1501.17 g

Total mass of balloon and its content = 20 g + 1501.17 g

                                                               = 1521.17 g

b) Number of moles of CO₂ in the balloon is 34.15 mol

c) To find the number of CO₂ molecules in the balloon, we need to use Avogadro's number (6.02 x 10²³ molecules/mol).

Number of CO₂ molecules = number of moles of CO₂ x Avogadro's number

                                           = 34.15 mol x 6.02 x 10²³ molecules/mol

                                           = 2.06 x 10²⁵ molecules

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Answer: The burning of fossil fuels releases carbon dioxide, methane and other greenhouse gases into the atmosphere. These gases trap heat in the atmosphere, leading to a gradual increase in global average temperatures, known as global warming. This phenomenon has serious impacts on our environment and ecosystems, including extreme weather events and rising sea levels.