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Ilya [14]
3 years ago
8

Silicon is a conductive material.

Chemistry
1 answer:
Sphinxa [80]3 years ago
6 0

Answer:

False.

Explanation:

It is a semiconductor

(Plz mark brainleist!)

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Which part of a cell synthesises proteins?
Yuki888 [10]

Answer :

ribosome

Explanation:

Protein synthesis takes place in association with the ribosomes, which are small bodies found in the cytoplasm and particularly in the endoplasmic reticulum area.

8 0
3 years ago
Discuss the different observations that you would record during an investigation into the energy transformations of a lamp that
densk [106]

Discuss the different observations that you would record during an investigation into the energy transformations of a lamp that uses electrical energy.

4 0
3 years ago
For the homogeneous solution, consisting of kcl and h2o, indicate the type of forces that are involved.
zubka84 [21]
<span>The pairs of substances I would expect to form homogeneous solutions when combined will form a homogeneous because both are polar and form dispersion forces, dipole-dipole and hydrogen bonding between the water molecules and ion-dipole forces between the K+ and Cl- ions and the water molecules.</span>
4 0
3 years ago
An unknown compound is processed using elemental analysis and found to contain 117.4g of platinum 28.91 carbon and 33.71g nitrog
dlinn [17]

Answer:

1 mole of platinum

Explanation:

To obtain the number of mole(s) of platinum present, we need to determine the empirical formula for the compound.

The empirical formula for the compound can be obtained as follow:

Platinum (Pt) = 117.4 g

Carbon (C) = 28.91 g

Nitrogen (N) = 33.71 g

Divide by their molar mass

Pt = 117.4 / 195 = 0.602

C = 28.91 / 12 = 2.409

N = 33.71 / 14 = 2.408

Divide by the smallest

Pt = 0.602 / 0.602 = 1

C = 2.409 / 0.602 = 4

N = 2.408 / 0.602 = 4

The empirical formula for the compound is PtC₄N₄ => Pt(CN)₄

From the formula of the compound (i.e Pt(CN)₄), we can see clearly that the compound contains 1 mole of platinum.

8 0
3 years ago
At constant temperature the pressure on a 6.0 L sample of a gas is reduced from 2.0 atm to 1.0 atm. What is the new volume of th
kotegsom [21]
P1V1=P2V2, so P1V1/P2=V2.
2atm x 6.0 L/1.0 atm = 12.0 L
The new volume would be 12.0 Liters
4 0
3 years ago
Read 2 more answers
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