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Kamila [148]
3 years ago
7

Which of the following statements is true?

Chemistry
2 answers:
Ivan3 years ago
5 0

Answer:

B.

Explanation:

Most metals can be drawn into a wire while nonmetals would break apart.

natima [27]3 years ago
4 0

Answer:

Most metals can be drawn into a wire, while nonmetals would break apart.

Explanation:

Most of the metals can be drawn into wire without breaking because their tensile strength is high. This property of metals is known as ductility.

Non metals on the other hand do not have this ability because they are brittle and tend to break apart because their tensile strength is very low.

The examples of metals which are generally used for making wires are aluminium, iron, copper etc. and rarely gold and silver are used for making wires for expensive equipments like computers.

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A gas exerts a pressure of 0.62 atm. Convert this to kPa and mmHg. Be sure to show your work.
IRINA_888 [86]

Answer:

The answer to your question is 0.62 atm = 62.82 kPa = 471.2 mmHg

Explanation:

Data

P = 0.62 atm

P = ? kPa

P = ? mmHg

Process

1.- Look for the conversion factor of atm to kPa and mmHg

 1 atm = 101.325 kPa

1 atm = 760 mmHg

2.- Do the conversions

                  1 atm ----------------- 101.325 kPa

                  0.62 atm ------------  x

                   x = (0,62 x 101.325) / 1

                  x = 62.82 kPa

                   1 atm ------------------ 760 mmHg

                   0.62 atm ------------  x

                   x = (0.62 x 760)/1

                   x = 471.2 mmHg                

4 0
3 years ago
How many sulfur atoms are present in 100 grams of this compound? Report your answer to three significant figures.
kap26 [50]

Answer:

1.88 × 10²⁴ atoms

Explanation:

Step 1: Given data

Mass of sulfur: 100 g

Step 2: Calculate the moles corresponding to 100 g of sulfur

The molar mass of sulfur is 32.07 g/mol. The moles corresponding to 100 g of sulfur are:

100 g × (1 mol/32.07 g) = 3.12 mol

Step 3: Calculate the number of atoms in 3.12 moles of sulfur

We will use Avogadro's number: there are 6.02 × 10²³ atoms of sulfur in 1 mole of sulfur.

3.12 mol × (6.02 × 10²³ atoms/1 mol) = 1.88 × 10²⁴ atoms

7 0
3 years ago
In the game of economics, goods are objects that fulfill peoples needs and ____.
Evgen [1.6K]

Goods are objects that fulfill peoples needs and wants.


4 0
2 years ago
Which of the following is an alkaline earth metal?
svetlana [45]
Magnesium is the answerr
4 0
2 years ago
In a combustion reaction, one of the reactants is always _______________.
QveST [7]
In a combustion reaction, one of the reactants is always oxygen.
4 0
3 years ago
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