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SOVA2 [1]
3 years ago
8

Element x is a poor conductor of heat, has a low boiling point, and is a brittle solid at room temperature. where on the periodi

c table would element x most likely be found?
Chemistry
2 answers:
liraira [26]3 years ago
7 0
With the nonmetals #Gradpoint
rosijanka [135]3 years ago
4 0

Answer is: nonmetals.

Nonmetals are far right at Periodic table, except hydrogen (H).

The nonmetals are divided into two categories: reactive nonmetals and noble gases.

The type of bond in nonmetal is covalent bond, there is no free electrons, so they do not conduct heat.

Intermolecular forces are weak, so they have low boiling points.

Nonmetals have low electrical and thermal conductivity .

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What is the boiling point of water when the atmospheric pressure exerted on the water is 81 kPa ?
stellarik [79]

Answer: The boiling point of water at 81 kPa will be 298.17 K.

Explanation:

The boiling point of water is 373 K at atmospheric pressure. So, to calculate the boiling point at 81 kPa, we use the law given by Gay-Lussac.

Gay-Lussac Law states that pressure is directly proportional to the temperature when volume and moles remain constant.

Mathematically,

\frac{P_1}{T_1}=\frac{P_2}{T_2

where,

P_1\text{ and }T_1 = Initial pressure and temperature

P_2\text{ and }T_2 = Final pressure and temperature

We are given:

P_1=1atm=101.325kPa\\T_1=373K\\P_2=81kPa\\T_2=?K

Putting values in above equation, we get:

\frac{101.325kPa}{373K}=\frac{81kPa}{T_2}\\\\T_2=298.17K

Hence, the boiling point of water at 81 kPa will be 298.17 K.

5 0
3 years ago
If the mass of a material is 118 grams and the volume of the material is 12 cm3, what would the density of the material be?
Sliva [168]
Density is equal to mass divided by volume.

So D=118/12

D=9.83
5 0
3 years ago
What atom has 48 neutrons,and 32 protons
Mekhanik [1.2K]
Germanium as it has 32 protons
8 0
4 years ago
Read 2 more answers
Why is there a need for increased recycling to preserve phosphorus
sesenic [268]

Answer:

The phosphorus minerals deposits that are available right now are not enough for the future. A large part of food production depends on phosphorus being produced. Phosphorus is commonly used as fertilizer and a lot of farmers are dependent on it.

5 0
3 years ago
The temperature of a sample of gas at 8.5 atm and 59.2 °C increases to 140.0 °C. If the
labwork [276]

Answer:

since that's the closest option we have

10.6atm

Explanation:

Since volume is constant

P1/T1 = P2/T1

P1 =8.5atm

T1 = 59.2°C = 332.2k

T2 = 140°C = 413k

P2 = ?

8.5/332.2 = P2/413

0.026 = P2/413

P2 = 0.026 x 413

P2 = 10.74atm

5 0
3 years ago
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