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3 years ago

Al+hcl=alcl3+H balance

Chemistry

1 answer:

Mumz [18]3 years ago

8 0

Answer:

Explanation:

Kindly answer the way I have written.

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what would be the effect on the properties of the water molecule if oxygen and hydrogen had equal electronegativity?

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Pure water at 25°C has a pH of (1) 1 (2) 5 • (3) 7 (4) 14

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3 years ago

A copper cylinder, 12.0 cm in radius, is 44.0 cm long. If the density of commoner is 8.90 g/cm3, calculate the mass in grams of

inna [77]

The mass of the copper cylinder is 177065.856g

Given:

Radius of the copper cylinder R=12cm

Height of the copper cylinder H=44cm

Density of the cylinder=8.90 $\frac{g}{c m^{3}}$

To find:

Mass of the copper cylinder

Step by Step by explanation:

Solution:

According to the formula, Mass can be calculated as

$\rho=\frac{m}{v}$ and from this

$m=\rho \times v$

Where, m=mass of the cylinder

$\rho$ =density of the cylinder

v=volume of the cylinder

And also cylinder is provided with radius and height value.

So volume of the cylinder is calculated as

$v=\pi r^{2} h$

Where $\pi$ =3.14

r=radius of the cylinder=12cm

h=height of the cylinder=44cm

Thus, $v=3.14 \times 12^{2} \times 44$

v=3.14 \times 144 \times 44

$v=19895.04 \mathrm{cm}^{3}$

And we know that, $m=\rho \times v$

Substitute the known values in the above equation we get

$m=8.90 \times 19895.04$

m=177065.856g or 177.065kg

Result:

Thus the mass of the copper cylinder is 177065.856g

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4 years ago

What is the expected product when l-propanol is oxidized?

bearhunter [10]

Answer is: C. propanal.
1-propanol is primary alcohol. With weak oxidizing agent primary alcohol gives aldehyde and with strong oxidizing agent primary alcohol gives carbonic acid.
Oxidation of 1-propanol with Na₂Cr₂O₇ and sulfuric acid gives propanal and oxidation with chromic acid gives propionic acid.

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3 years ago

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