common state of matter on earth for tin ,scientist related to tin and color,texture,hardness,smell of tin please help really important please i will be very thank full please

Answers

Answer 1

Answer: Tin (Sn), also known as stannum, is a silvery-white to grey solid metal. It is considered to have a smooth texture and a hardness of 1.5 on the Mohr's scale which is very soft. It is also odorless and inert which is why it is used in many packaging. Robert Boyle did studies on the oxidation of tin in the 1600s.

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A gas absorbs 3.4 kJ of heat and does 1.9 kJ of work. Calculate ΔE

Answers

Answer:

Answer is given below:

Explanation:

Given Data:

heat = 3.4kJ

work done is = 1.9 kJ

To Find:

ΔE=?

Formula:

ΔE = q + w

Solution:

ΔE = q + w

ΔE = 3.4 kJ + 1.9kJ

ΔE = 5.3 kJ

3. the closeness of a measurment to its true value is a measure of its ____ ?

Answers

The closeness of a measurement to its true value is a measure of its Accuracy.

How to know if two elements will form a covalent bond

Answers

Answer:

If they are both non-metals

Explanation:

covalent = non-metal + non-metal

ionic = metal +non-metal

metallic = metal +metal

What are the efficient things needed for a village

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Answer:

Those aspects which are something a village needs are specified beneath.

Explanation:

Things being equally necessary to make living simpler and therefore more enjoyable. The government has promised to continue providing basic facilities to either an unpopulated location, including such roads, drinkable water, as well as electric power.
Therefore, throughout the village, certain things accessible with maximum variety and quality that have become the basic requirements for this human existence.

A series of five short lines. The first has an up and a down arrow, and is labeled below 1 s. The second has an up and a down arrow, and is labeled 2 s. The third has an up arrow and no label. The fourth has an up arrow and is labeled 2 p. The fifth has an up arrow and no label. Which element is this?

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234hope it was helpful

What is the process of solvation of ionic solids in water?

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The solvation is the process that causes the dissolution of ionic solids, because the energy released compensates for the energy required to break the Crystal network. Occurs only with polar solvents. The solvation in which the solvent is water is called hydration.

hope this helps!

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