How are electrical currents and magnetic fields related

Calcium is very reactive, has properties similar to magnesium, and is in the same period as bromine.

What are properties?

Properties  are defined as the qualities that help us distinguish one material from another.

There are basically two types of properties.

• Chemical properties - They are defined as one of the aspect of a certain substance that can be seen in a chemical reaction. It can be defined as a property of a substance that may be seen during a chemical reaction or change.
• Physical properties - They are defined as a property of matter that may be seen and quantified without altering the sample's chemical composition. It can also be defined as a quality of matter that does not manifest as a chemical change.

Reactive is defined as the catalyst for a chemical process, either on its own or in combination with other materials.

It can also be defined as the propensity of a substance to undergo chemical reaction and release energy, either by itself or in conjunction with other materials.

Thus, calcium is very reactive, has properties similar to magnesium, and is in the same period as bromine.

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density is mass over volume

find the mass of the water and then divide it by the volume (25)

Final answer:

The density of heavy water at 20 degrees Celsius can be calculated as the mass of the water divided by its volume, which in this case is 1.105 g/ml.

Explanation:

To determine the density of the heavywater, we need to consider the mass of the water and the volume it occupies. The mass of the water can be calculated by subtracting the mass of the beaker from the final mass. That is 64.859 g (final mass) - 37.234 g (beaker mass) = 27.625 g (mass of water). The volume of the water is given as 25.00 ml. Since the density of a substance is defined as its mass per unit volume, we can calculate the density as mass / volume = 27.625 g / 25.00 ml = 1.105 g/ml. Therefore, the density of the heavy water at 20 degrees Celsius is 1.105 g/ml.

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A covalent bond is a intramolecular interaction that the atoms share electrons to pack up their outer electron shell.

Answer:

a covalent bond is when it is a nonmetal and nonmetal or a nonmetal with metalloid

Methanol has severl uses few of which are discussed below.

Explanation:

Methanol is the simplest alcohol with chemical formula CH3OH. Its nin drinkable because its toxic when consumed.

Methanol is used for preparing acetaldehyde, formaldehyde, butandiol, acetal resins etc which are used for production of furthur high specific chemicals with high rate of purity. Its also used widely in automobile industry.

Its used to produce acetic acid, solvent esters and acetates, terepthalic acid, etc which are used in automobiles, paint industry, ink industry etc.

Its used in preparation if zero emmision fuels. Its also used to produce antifreeze, lubricants, burning alcohol, spirit etc.

Its also used to produce different cleaners and canned heat.

Its used to dress wounds, for preparation of MMA, MTOs etc.