what is Tyndall effect ?​

Answer:

1. Greenhouse gas.

2. Carbon sequestration.

3. Greenhouse effect.

Explanation:

Greenhouse gases can be defined as gases that trap heat within the Earth's atmosphere. Thus, an increase in global temperature is largely caused due to an increase in the amount of greenhouse gases in Earth's atmosphere.

Some examples of greenhouse gases present in the atmosphere are methane, water vapor, carbon dioxide etc.

Matching the descriptions with their term respectively, we have;

1. Greenhouse gas: carbon dioxide, water vapor, methane, nitrogen oxides, and some CFCs that absorb heat and keep it in the earth's atmosphere

2. Carbon sequestration: it's a technology used to capture the carbon released from smokestacks and store it in some part of the environment to keep it out of the atmosphere. Thus, it's a process that is typically used for capturing and the long-term storage of atmospheric carbon dioxide in soil, ocean, plants and geologic formation, so as to reduce global warming or climate change.

3. Greenhouse effect: it's a term used to describe the negative role that greenhouse gases such as methane, water vapor, carbon dioxide etc., play in keeping the earth warm.

Answer:

A and B are both true

Explanation:

Na is REACTING with Cl2 to PRODUCE NaCl

Answer:

A: Gamma

Gamma rays have enough energy to kill bacteria

Answer:

Explanation:

the difference is below:

Answer:

Search by reactants (P 2O 5, H 2O) and by products (H 3PO 4)

H2O + P2O5 → H3PO4

H2O + HNO3 + P2O5 → H3PO4 + N2O5

Answer:

44.10

Explanation:

got it right on odessyware

Answer: basic

Explanation:

I just answered it on acellus it's correct ;)

A solution of the ionic salt CaSO₃ would have basic pH as on reaction with base   it gives  an acid.

Acids are defined as substances which on dissociation yield H+ ions , and these substances are sour in taste. Compounds HCl, H₂SO₄ and HNO₃ are acids as they yield H+ ions on dissociation.

According to the number of H+ ions which are generated on dissociation acids are classified as mono-protic , di-protic ,tri-protic and polyprotic  acids  depending on the number of protons which are liberated on dissociation.

Acids are widely used in industries  for  production of fertilizers, detergents  batteries and dyes.They are used in chemical industries for production of chemical compounds like salts which are produced by neutralization reactions.

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Answer:

7.68 × 10²⁴

Explanation:

Step 1: Calculate the mass of 1 molecule of the monomer CH₂CHCN

We will get the mass of the monomer by adding the masses of the elements.

mCH₂CHCN = 3 × mC + 3 × mH + 1 × mN

mCH₂CHCN = 3 × 12.01 amu + 3 × 1.01 amu + 1 × 14.01 amu = 53.07 amu

Step 2: Convert the mass of the monomer to grams

We will use the conversion factor 1 amu = 1.66 × 10⁻²⁴ g

53.07 amu × 1.66 × 10⁻²⁴ g/1 amu = 8.81 × 10⁻²³ g

Step 3: Calculate "n"

We will divide the mass of the polymer by the mass of the monomer.

n = 676.8 g / 8.81 × 10⁻²³ g = 7.68 × 10²⁴

Answer:

[tex]{ \bf{ 2 Cl{}^{ - } _{(aq)} + Pb {}^{2 + } _{(aq)} \: ⟶ \: PbCl _{2(s)}}}[/tex]

Answer:

An ideal gas is a theoretical gas composed of many randomly moving point particles that are not subject to interparticle interactions. The ideal gas concept is useful because it obeys the ideal gas law, a simplified equation of state, and is amenable to analysis under statistical mechanics.

An ideal gas is theoretical

Answer:

They tend to be more stable

Explanation:

A heterogeneous catalyst is a type of catalyst that exist in a phase which is different from the phases of the reacting mixture or specie or the products and the reactants are absorbed into sites on the catalyst for binding

The heterogeneous catalyst is used in industry because of its main advantage, which is its ease and simplicity of separation from the mixture of the reaction using a straightforward process such as filtration to recover and reuse a costly (heterogeneous) catalyst

Therefore, industry uses the heterogeneous catalyst because the catalyst tend to be more stable and can be easily recovered and reused in its original form

Answer:

A. They tend to be more stable.

Explanation:

Got a 100 on E2020.

Answer: C6H6

Explanation:

The molecular formula C₆H₆ represents Benzene. Benzene is colorless, flammable, and has a sweet and gasoline-like odor. It's a toxic chemical, and can cause cancer.

Benzene is a hydrocarbon and used for the manufacturing of products such as plastic, detergents, glues, dyes, and rubber. It can also be used in making wall-filling material.

Answer: C6H6

Explanation:

The molecular formula C₆H₆ represents Benzene. Benzene is colorless, flammable, and has a sweet and gasoline-like odor. It's a toxic chemical, and can cause cancer.

Benzene is a hydrocarbon and used for the manufacturing of products such as plastic, detergents, glues, dyes, and rubber. It can also be used in making wall-filling material.

Answer:

D) the critical point

Explanation:

Point A is the critical point in phase diagram. This is the highest temperature and pressure at which a pure material can exist in vapor/liquid equilibrium. Pretty cool!

Answer:

chemical waste, or dangerous chemicals (liquids) in general, unless they are oily

Answer:

Propyne can be converted to the acetone when it is made to undergo the reaction with mercuric sulphate followed by hydrolysis and thus, resultant product, thus formed is acetone.

Explanation:

Answer:

20.4 Miles

Explanation:

If Terry's riding speed is reduced by 3mph, he would be riding at 12mph.

12*1.7 = 20.4 miles

(miles per hour literally means how many miles you can travel in an hour at your current speed)

Anwer

D) clearly supported

Explanation:

Answer:

d

Explanation:

The molecule is described as the, A. lipid with three unsaturated fatty acids.

A collection of two or more atoms bonded together by attractive forces known as chemical bonds is referred to as a molecule. In the given question, the molecule shown in diagram is a lipid, or triglyceride, with three fatty acids and a glycerol backbone. Unsaturated fatty acids are those with double or triple bonds in their molecular makeup.

Depending on how many double or triple bonds are typically there in its structure, a fatty acid can either be polysaturated or monounsaturated. Generally, there are three unsaturated fatty acids in this lipid, all of which contain one double bond in their structures.

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Answer:

a) In the presence of light silver nitrate decompose to form silver. hence to prevent the decomposition it is kept in dark coloured bottles.

b) Molybdenum is used in the manufacture of ammonium because molybdenum acts as a promoter which increases the efficiency of the catalyst Iron, resulting in better yield of ammonia.

c) When an iron nail immersed in the solution of copper sulphate than iron displaces copper from the solution of copper sulphate because iron is more reactive than copper. Therefore copper sulphate solution colour changes from blue to pale green.

Answer:

.8°c my fingers jfjfjkfkrhrb

Hydrogen bonding is a special type of dipole-dipole attraction between molecules, not a covalent bond to a hydrogen atom. It results from the attractive force between a hydrogen atom covalently bonded to a very electronegative atom such as a N, O, or F atom and another very electronegative atom.

Answer:

2.5×10⁶ s

Explanation:

From the question given above, the following data were obtained:

Rate constant (K) = 2.8×10¯⁷ s¯¹

Half-life (t½) =?

The half-life of a first order reaction is given by:

Half-life (t½) = 0.693 / Rate constant (K)

t½ = 0.693 / K

With the above formula, we can obtain the half-life of the reaction as follow:

Rate constant (K) = 2.8×10¯⁷ s¯¹

Half-life (t½) =?

t½ = 0.693 / K

t½ = 0.693 / 2.8×10¯⁷

t½ = 2.5×10⁶ s

Therefore, the half-life of the reaction is 2.5×10⁶ s

Answer: it requires the amount of heat that it takes to make it steam

Explanation:

Answer:

Condensation is the process.

Answer: Out of the given options [tex]HOCH_{2}OH[/tex] is expected to have the highest viscosity.

Explanation:

The resistance occurred in the flow of a liquid substance is called viscosity.

More stronger is the intermolecular forces present in a substance more will be its resistance in its flow. Hence, more will be its viscosity.

For example,  [tex]HOCH_{2}OH[/tex] has strong intermolecular hydrogen bonding than the one's present in [tex]CH_{3}CH_{2}OH[/tex] and [tex]CH_{3}CH_{2}CH_{3}[/tex]. This is because two-OH groups are present over here.

Thus, we can conclude that out of the given options [tex]HOCH_{2}OH[/tex] is expected to have the highest viscosity.

Answer:

Temperature depends on the average kinetic energy of the particles in a sample. ... The fastest particles have the greatest mass. Most particles in the plasma are heavy and slow. The fastest particles transfer most of their energy through collisions

Answer:

C. Most particles in the plasma are heavy, slow, and very low density.

Explanation:

Correct on Edge 2022!!!

Good luck everyone, you got this! Have a great day!

Answer: Glucose (C6H12O6) is a hexose -- a monosaccharide containing six carbon atoms. Glucose is an aldehyde (contains a -CHO group). Five of the carbons plus an oxygen atom form a loop called a "pyranose ring", the most stable form for six-carbon aldoses.

Explanation:.

Answer:

Growth of weeds and grasses

Explanation:

The part of the garden, probably left to rest by the Gardner, would start experiencing a legion of invasive plants. Giant weeds and grasses could be seen, and brambles and tree seedlings could also sneak in.  

Some Gardeners would recommend the use of herbicides to restore order to an abandoned garden even though certain scientists are of the opinion that chemicals may not offer a sound solution to the problem.