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3 years ago

What chemical is PCL3

2 answers:

6 0

The chemical PCL3 is "Phosphorus trichloride" phosphorus trichloride is the chemical compound of phosophorus and Carina having the chemical formula. It has a trigonal pryamidal shape. It is the most important of the three phosphorus chlorides.

Ratling [72]3 years ago

4 0

The chemical PCL3 is ' phosphorous trichloride '.

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Write a nuclear equation to describe the neutron induced fission of Pu-239 to form Kr-89 and Ce-149 (this fission is induced by

zlopas [31]

Answer:

$\rm 2_{0}^{1}\text{n} + \, _{94}^{239}\text{Pu} \longrightarrow_{36}^{89}\text{Kr} + \, _{58}^{149}\text{Ce} + \, 3_{0}^{1}\text{n}; three$

Explanation:

If the fission is induced by two neutrons, the unbalanced equation is

$2\rm _{0}^{1}\text{n} + \, _{94}^{239}\text{Pu} \longrightarrow_{36}^{89}\text{Kr} + \, _{58}^{149}\text{Ce} + \, x_{0}^{1}\text{n}$

The main point to remember in balancing nuclear equations is that the sums of the superscripts and the subscripts must be the same on each side of the equation .

Balancing the superscripts, we get

2 + 239 = 89 + 149 + x

241 = 238 + x

x = 3

The balanced nuclear equation is

$\rm 2_{0}^{1}\text{n} + \, _{94}^{239}\text{Pu} \longrightarrow_{36}^{89}\text{Kr} + \, _{58}^{149}\text{Ce} + \, \mathbf{3}_{0}^{1}\text{n}$

$\text{The fission produces } \boxed{\textbf{three}} \text{ neutrons}$

4 0

3 years ago

For each ionic compound formula, identify the main group to which X belongs: (c) X2SO4.

Zinaida [17]

The answer is group 1A.

In the ionic compound formula X₂SO₄, SO₄ has a -2 charge. Hence to balance this -2 charge of SO₄, X must have a +1 charge.

Group 1A elements form X⁺ type of ions because they are metals. So, they have the tendency to lose electrons.

Hence, X must belong to the 1A group.

Ionic Compounds-

Ionic compounds are formed by the electrostatic attraction between the anions and the cations.
Cations are positively charged ions that are formed due to the loss of electrons.
And the anions are negatively charged ions that are formed due to the gain of electrons.
Due to this, they have opposite charges and form bonds known as Ionic Bond.

To learn more about Ionic compounds, visit: brainly.com/question/9167977

#SPJ4

6 0

2 years ago

A student dissolves 4 g of salt into 10 g of water. The total weight of the solution is 14 g. The student then heats the solutio

shtirl [24]

C. or B. ok :) !! ! Hopes this hepls

3 0

3 years ago

Solve the ideal gas law equation for pressure.

posledela

Answer:

$p=\frac{nRT}{V}$

Explanation:

The ideal gas law equation is an equation that relates some of the quantities that describe a gas: pressure, volume and temperature.

The equation is:

$pV=nRT$

where

p is the pressure of the gas

V is the volume of the gas

n is the number of moles of the gas

R is the gas constant

T is the absolute temperature of the gas (must be expressed in Kelvin)

Here we want to solve the equation isolating p, the pressure of the gas.

We can do that simply by dividing both terms by the volume, V. We find:

$p=\frac{nRT}{V}$

So, we see that:

- The pressure is directly proportional to the temperature of the gas

- The pressure is inversely proportional to the volume of the gas

6 0

3 years ago

Jumping on a cemented floor is more pain full than a sandy flour,why

Anvisha [2.4K]

Answer:

Is soft

Explanation:

because concrete is hard ash so t hink flour would be safer

5 0

3 years ago