What type of bond is formed when an atom of potassium transfers an electron to a bromine atom?

Answers

Answer 1

Answer: A Polar Covalent Bond is created when the shared electrons between atoms are not equally shared. This occurs when one atom has a higher electronegativity than the atom it is sharing with .

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PLS HELP What is chemistry?

Answers

Answer:

A branch of science

Explanation:

CHemistry is the investigation and studying substances and their reaction with other elements

Answer:

chemistry :-

A branch of science in which we. . study about chemical

in the chemistry we studied about. elements and compounds and their

composition and reaction

How many mol of hydrogen in 2.6 mol of caffein

Answers

The chemical formula of caffeine is C8H10N4O2. Caffeine is only a common name but using IUPAC, it is given the nomenclature 1,3,7-Trimethylpurine-2,6-dione. 1 mole caffeine has 10 moles of hydrogen (as shown in the chemical formula) hence, 2.6 moles caffeine has 26 moles of hydrogen.

Fog is a cloud that hasa. a small vertical extent.
b. no ability to produce rain.
c. particles made of ice crystals.
d. its base at or near the ground

Answers

Answer: d. Its base at or near the ground.

Explanation:

Fog is a visible weather condition in which the tiny droplets of water present in the atmosphere come together and which forms a thick cloud which lies close to the surface of the ground (land) or above the sea surface. Fog cuts the visibility down to one kilometers, it makes it difficult to observe the things through it. The fog is influenced by several factors such as wind conditions, nearby water bodies, and topography.

Fog is a cloud that has its base at or near the ground. The answer is letter D. Fog results when atmospheric water vapor condenses to the extent that the new forms, water droplets or ice crystals, become visible. Saturation of the air and sufficient condensation nuclei are ordinarily prerequisites for the formation of fog. One of the great hazards associated with fog is a lack of visibility.

A type of cake based on egg-white foam and containing no fat: a) Angel food cake b) Sponge cake c) Pound cake d) Butter cake

Answers

Answer:

a.) Angel food cake

Explanation:

The correct answer is a) Angel food cake. It is a type of cake made from egg-white foam and contains no fat.

Which value gives the number of particles in 1 mol of a substance?

Answers

The number of particles (molecules or atoms) is: 6.022 x 10²³ particles (atoms or molecules).

1 mol of H₂O has 6.022 x 10²³ molecules.
1 mol of Al has 6.022 x 10²³ atoms.

Answer:

C on edge 2021

What mass of sodium nitrate is dissolved in 126 g of a solution that is 14.8% by mass of the compound?

Answers

Answer:

there are 18.65 grams of sodium nitrate dissolved in 126 grams of the solution that is 14.8% by mass of the compound.

Explanation:

To find the mass of sodium nitrate dissolved in the solution, we can use the concept of percent composition.

First, we need to determine the mass of the solution that is made up of sodium nitrate. Since the solution is 14.8% by mass of the compound, we can calculate this by multiplying the total mass of the solution by the percentage:

Mass of sodium nitrate in solution = (14.8/100) * 126 g

Mass of sodium nitrate in solution = 18.65 g

Therefore, there are 18.65 grams of sodium nitrate dissolved in 126 grams of the solution that is 14.8% by mass of the compound.

Other Questions

According to the following reaction, how many moles of carbon monoxide will be formed upon the complete reaction of 23.1 grams of benzene (C6H6) with excess oxygen gas?benzene (C6H6) (l) + oxygen (g) carbon monoxide (g) + water (g)

What is the velocity of a 500 kilgram elevator that has 4000 joules of energy?

I REALLY NEED HELP WITH THIS CHEMESTRY PROJECT. I DO NOT UNDERSTAND ANYTHING OF THIS. CAN YOU GUYS PLZ HELP ME?Problem: You and your team work at Southern Nevada Water Authority and have been given the job of managing fluoride levels for the municipal water system. Today, you will need to measure the mass of the mineral sample fluorite (chemically, CaF2). Use this sample to determine how much water must be added to yield a 1 ppm fluoride solution. Your supervisor is requesting tanker trucks to bring the excess water. He needs to know how many tanker trucks to request and the total cost.Notes: 1 mol CaF2 = 78.08 g CaF2 = 6.02 x 1023 molecules of CaF21 molecules of CaF2 = 2 atoms of F1 mol H2O = 18 g H2O Density of water is 1 g/mL1000 mL = 1 L and 3.78 L = 1 gallonmass of sample of CaF2 = 287.185 g1 part per million = 1 atom of fluorine per 999,999 water molecules. 1 truck can carry 12,800 litters of water at a cost of $2,852.42 dollars.Before you begin mixing a solution of fluorite and water your team must first calculate the amount of water you will need. Your team will create a presentation that will show all of the necessary calculations to ensure that the greater Las Vegas area will have cavity free teeth. The presentation should include the following information:- Draw a diagram that points out the basic design of the water system and transport.- Demonstrate the following calculations (a) Calculate how many moles of mineral fluorite (CaF2) are in you sample. (b) Calculate the number of fluorine atoms in the sample of the mineral fluorite (CaF2). (b) Calculate how many molecules of water you will need. (c) Calculate the number of gallons of water that are needed to dissolve a 287.185 gram sample of fluorite to yield 1ppm solution.(e) How many trucks will be needed? Show your calculations!(f) what is will be the total cost?- Bonus points for creativity or “WOW” factor (i.e. pictures, color, neatness)!

What does the symbol 2CO represent in the model below? 2CO + o^2 -> 2CO2