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mixas84 [53]
3 years ago
12

Boron is a non metal why​

Chemistry
1 answer:
irga5000 [103]3 years ago
5 0

Explanation:

Boron is a non metallic element and the only non-metal of the group 13 of the periodic table the elements. Boron is electron-deficient, possessing a vacant p-orbital. ... It reacts with metals to form borides. At standard temperatures boron is a poor electrical conductor but is a good conductor at high temperatures

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Portland cement (J. Aspdin) contains maximum % of CaO. Cement clinker contains
tatuchka [14]

Answer:

The correct option is D

Explanation:

The major raw material used in making cement clinker is limestone. This limestone is usually mixed and heated with clay and can sometimes be mixed, in addition to the clay, with fly ash, black ash, bauxite, iron ore and gypsum. <u>However, the product cement clinker contains different calcium silicates and/or aluminates such as Ca₃SiO₅, Ca₃Al₂O₆, Ca₂(Al,Fe)₂O₅ and Ca₂SiO₄</u>. Thus, the correct option is D.

5 0
3 years ago
4 How can three liquids form something that resembles a solid? (Slime)
r-ruslan [8.4K]

Answer:

Three liquids can form something that will resemble into a solid because it depends on which liquids you use and because  all three things can work together to make it into a solid with the ingredients that are in all three liquids they will make into a beautiful piece.

Explanation:

This is the correct answer!!

6 0
3 years ago
During what change of state do atoms or molecules become more ordered
Dennis_Churaev [7]
Condensation because the water vapor has a high entropy(disorder) and liquid water has a lower entropy.
8 0
4 years ago
Calculate the Kelvin temperature to which 10.0 L of a gas at 27 °C would have to be heated to change the volume to 12.0 L. Units
KatRina [158]

Hello!

For this problem, we will be applying <em>Charles' Law</em>:

V1/T1 = V2/T2

Now that we have the formula, let's convert the temperature to Kelvin.

27 + 273 = 300K

Let's plug everything in now!

10/300 = 12.0/x

Simplified:

1/30 = 12.0/x

Cross-multiply:

1x = 30*12.0

<u>x = 360</u>

<em>Check!</em>

10/300 = 12/360

300*12 = 360*10

3600 = 3600

Therefore, you would have to heat the gas at a temperature of 360K in order to raise the volume to 12.0L.

 

4 0
3 years ago
A sample of sodium hydroxide (NaOH) has a mass of 160. 0 g. The molar mass of NaOH is 40. 00 g/mol. How many moles of NaOH does
Andrew [12]

4 moles of NaOH is present in the given 160 grams of NaOH.

<h3>How we calculate moles?</h3>

Moles of any substance will be calculated as:

n = W/M, where

W = given mass of NaOH = 160 grams (given)

M = molar mass of NaOH = 40 g/mole

Moles of NaOH is calculated as:

n = 160g / 40g/mol = 4 moles

Hence, moles of sodium hydroxide (NaOH) is 4 moles.

To know more about moles, visit the below link:

brainly.com/question/24322641

6 0
3 years ago
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