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Frequency is a MEASUREMENT of the number ofwave CYCLES per second. Wavenumber is the reciprocal of the wavelength MULTIPLIED by a constant. Although they look the same, thedifference is that wavenumber has NOTHING to do with the velocity of the wave- wavenumber is measured in cm^-1, which doesn't include a time unit.

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In chemistry, a LONE pair refers to APAIR of valence ELECTRONS that are not shared with another atom in a covalent bond and is sometimescalled an unshared pair or non-bonding pair. Lone PAIRS are found in the outermost electron shell ofatoms. They can be identified by using a Lewis STRUCTURE.

Across a period, effective nuclear charge INCREASES as electron shielding remains CONSTANT. A higher effective nuclear charge CAUSES greater attractions to the ELECTRONS, pulling the electron cloud closer to the nucleus which results in a smaller atomic radius.

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पहाड़ों पर जल का क्वथनांक कम हो जाता है,क्योंकि⬇(ᴀ) वहाँवायुण्डलीय दाव कम है

(1–Nitroethane)

The triple bond in it REPRESENTS this as an ALKYNE. The IUPAC NAME of Ch3-c is Prop-1-yne.I hope it's HELP you

German chemist Friedrich Wöhler from AMMONIUM cyanate in 1828 was the FIRST generally accepted laboratory synthesis of a naturally OCCURRING organic compound from inorganic materials. Urea is now PREPARED commercially in vast amounts from liquid ammonia and liquid carbon dioxide.

THE HARDER YOU WORK FOR SOMETHING, THE GREATER YOU WILL FEEL WHEN YOU ACHIEVE IT.

2.266 grams per CUBIC centimeterGraphite also has a LOWER density (2.266 grams per cubic CENTIMETER) than diamond.

They are base.Explanation:HOPE it will HELP YIU

your ANSWER EXPLANATION:it can be OBSERVED by MICROSCOPE

The Bayer process is the principal industrial MEANS of refining bauxite to produce alumina (aluminium oxide) and was developed by Carl Josef Bayer. Bauxite, the most important ore of aluminium, CONTAINS only 30–60% aluminium oxide (Al2O3), the rest being a mixture of silica, VARIOUS IRON oxides, and titanium dioxide.The aluminium oxide must be PURIFIED before it can be refined to aluminium metal.

The use of statistics allows clinical researchers to draw reasonable and accurate inferences from COLLECTED information and to make sound decisions in the presence of uncertainty. Mastery of STATISTICAL concepts can prevent numerous ERRORS and biases in MEDICAL research.

anation:molar MASS= 4 gmass in gram=40 G NUMBER of MOLES= mass in grams/molar massso, 40/4= 10

I think the X is YEAST COZ it MAKES the cake FLUFFY

The salt is SULPHITE. When the salt reacts with sulphuric acid, sulphur dioxide GAS is liberated.SO 32− +2H + →SO 2 ↓+H 2 OThis gas when reacts with lime water, turns milky.SO 2 +Ca(OH) 2 →CaSO 3 ↓(white)+H 2 OAnd, when it reacts with an acidified orange colored potassium dichromate, solution turns green due to the FORMATION of CHROMIUM ions.Cr 2 O 72− +2H + +3SO 2 →Cr 3+ +3SO 42− +H 2 O

don't GET me WRONG I just won a cup of coffee and I will be able to see you in the morning and see if you can FIND me a LITTLE more than you can find

Silicon is a chemical element with the symbol SI and atomic number 14. It is a hard, brittle crystalline solid with a blue-grey metallic lustre, and is a tetravalent metalloid and semiconductor. It is a MEMBER of group 14 in the PERIODIC table: carbon is above it; and germanium, tin, and LEAD are below it.Explanation:follow m for more

1) F Strong BASE2) D NEUTRAL 3) B Acidic 4) F Strong Base

tion:(b) TITRATION of hydrochloric acid and SODIUM carbonate solution. ... Add M/10 sodium carbonate solution to the titration flask till the COLOUR changes to the light pink. Note the final reading and find out the VOLUME of sodium carbonate solution used to neutralize HCl solution.

hellowavelength is the SPATIAL PERIOD of a periodic wave—the DISTANCE over which the wave's SHAPE repeats.

they can be seperated by azeoteopic DISTILATION

By the end of this section, you will be able to:State the ideal GAS law in terms of MOLECULES and in terms of moles.Use the ideal gas law to calculate PRESSURE change, temperature change, volume change, or the number of molecules or moles in a given volume.Use Avogadro’s number to convert between number of molecules and number of moles.Figure (Figure_14_03_00.jpg)Figure 1. The air inside this hot air balloon flying over Putrajaya, Malaysia, is hotter than the ambient air. As a result, the balloon experiences a buoyant force pushing it upward. (credit: Kevin Poh, FLICKR)In this section, we continue to explore the thermal behavior of GASES. In particular, we examine the characteristics of atoms and molecules that compose gases. (Most gases, for example nitrogen, N2, and oxygen, O2, are composed of two or more atoms. We will primarily use the term “molecule” in discussing a gas because the term can also be applied to monatomic gases, such as helium.)Gases are easily compressed. We can see evidence of this in Table 1 in Thermal Expansion of Solids and Liquids, where you will note that gases have the largest coefficients of volume expansion. The large coefficients mean that gases expand and contract very rapidly with temperature changes. In addition, you will note that most gases expand at the same rate, or have the same β. This raises the question as to why gases should all act in nearly the same way, when liquids and solids have widely varying expansion rates.

The GROUP reagent is AMMONIUM hydroxide in the presence of ammonium CHLORIDE

The molar mass of HCL is 36.5 g/mol. The mass of 1 mol HCl is 36.5 g. m(HCl solution) = m(HCl) / w(HCl) = 36.5 g / 0.2 = 182.5 g. 50G CACO3 will REACT with 182.5 g of 20% HCl by weight.

tion:Tonicity is a measure of the EFFECTIVE osmotic pressure gradient; the water POTENTIAL of TWO solutions SEPARATED by a semipermeable cell membrane. In other words, tonicity is the relative concentration of solutes dissolved in solution which determine the direction and extent of DIFFUSION. Please mark as branliest

The SI base UNIT for amount of substance is the mole. 1 grams POTASSIUM is EQUAL to 0.025576559594663 mole.

define water cycle in 100 WORDS The water cycle (or hydrological cycle) is the cycle that water goes through on Earth. ... Then, the water falls from the SKY as rain, snow, sleet or HAIL. This is called precipitation. The water sinks into the surface and also collects into lakes, oceans, or aquifers. It evaporates again and continues the cycle.Water cycle is defined as the way that water MOVES between being water vapor to LIQUID water and then back to water vapor. An example of water cycle is when water evaporates from oceans and then returns to the land in the form of rain. noun.

सबसे पहले रूसी रसायन-शास्त्री मेंडलीफ (सही उच्चारण- मेन्देलेयेव) ने सन १८६९ में आवर्त नियम प्रस्तुत किया और तत्वों को एक सारणी के रूप में प्रस्तुत किया। इसके कुछ महीनों बाद जर्मन वैज्ञानिक लोथर मेयर (1830-1895) ने भी स्वतन्त्र रूप से आवर्त सारणी का निर्माण किया

Fractional distillationGlycerol can be separated from spent-lye in soap industry by distillation under REDUCED pressure.Verified ✔️✅MARK AS BRAINLIST ...YOU WILL ALSO RECEIVE 5 POINTS

o engineering and telecommunications, standing WAVE ratio (SWR) is a MEASURE of impedance matching of loads to the CHARACTERISTIC impedance of a TRANSMISSION line or WAVEGUIDE. ... Neglecting transmission line loss, these ratios are identical.

The Second Law of THERMODYNAMICS states that the state of entropy of the entire universe, as an ISOLATED system, will always increase over time. The second law also states that the CHANGES in the entropy in the universe can never be negative.hope it helps :))

Hard water that's filled with minerals like calcium and magnesium can cause damage to the tubes INSIDE steam BOILERS. ... Water softeners will INTRODUCE sodium compounds into the boiler's water supply to negate the presence of any calcium and magnesium, EFFECTIVELY resolving the hard water problem.Explanation:hope this HELPS you

An anode is an electrode through which the CONVENTIONAL current ENTERS into a polarized ELECTRICAL DEVICE.

When acidic solution is placed on litmus paper, the blue litmus will TURN RED while the red litmus will STAY red. Alkalis turn red litmus blue while the blue litmus stays blue. Distilled water is neutral and will leave the litmus COLOUR unchanged.Explanation:HOPE this helps you

for example of light the US and WHITE COLOUR real estate Pro in the correct INFORMATION if me information about the latest flash of light and black colourrea ANDROID PHONE or

Roasting is the PROCESS in which the ore is HEATED below its melting point in presence of air to oxidise the impurities. Calcination is the process of HEATING the ore below its melting point an absence of air to remove volatile impurities like arsenic ETC ....