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Yuki888 [10]
3 years ago
5

Will mark as Brainliest.

Chemistry
2 answers:
Serga [27]3 years ago
5 0
The amount of kinetic energy required for the molecules to break free of the intermolecular forced in the liquid is raised because the other ones don’t make sense
Katen [24]3 years ago
3 0

Answer:

he never got his brainliest...

Explanation:

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PLZ RESPONDE QUICKLY MY EDUCATION IS ON THE LINE
lyudmila [28]

Answer:

N= PV/RT (temperature in kelvin); ( r is .0821 when pressure is in atm & r is 8.314 when pressure is in Kpa)

2.00 = P x 10.0/ .0821 x 300

after solving i got 4.926 atm

6 0
3 years ago
How many orbitals in an atom can have each of the following designations:
-BARSIC- [3]

Answer:

(a) 1s; has one orbital

(b) 4d; has five orbitals

(c) 3p; has three orbitals

(d) n=3 has nine orbitals

Explanation:

Electrons in an atom are always in constant motion, making it hard to predict there exact position. However, the most probable locations electrons can be be found are described with the terms shells, subshells and orbitals. A shell contains subshells and orbitals are found within subshells. The shells are given names such as K, L, M, N, which correspond to the principal quantum numbers, n = 1, 2, 3, and 4 respectively. There are 4 major types of subshells that can be found in a shell. They are named as s, p, d, f. Each subshell is composed of several orbitals.

a. 1s; the s subshell has only one orbital. Therefore, the 1s subshell has one orbital

b. 4d; the d subshell has five orbitals. Therefore, the 4d subshell has five orbitals

c. 3p; the p subshell has three orbitals. Therefore, the 3d subshell has  three orbitals

d. n = 3; the shell with n = 3 has the following subshells, 3s, 3p, 3d.the number of orbitals will be 1 + 3 + 5 = 9 orbitals. Therefore, the number of orbitals in n = 3 is nine orbitals

6 0
3 years ago
At what temperature does a solid turn into a liquid
Lostsunrise [7]

Answer:

0°C

<h3>Hope this helps </h3><h3>Do mark as brainliest </h3>

6 0
3 years ago
Read 2 more answers
How much energy is released by the decay of 3 grams of 20Th in the following reaction 230 Th - 226Ra + 'He (230 Th = 229.9837 g/
wolverine [178]

Answer : The energy released by the decay of 3 grams of 'Th' is 2.728\times 10^{-15}J

Explanation :

First we have to calculate the mass defect (\Delta m).

The balanced reaction is,

^{230}Th\rightarrow ^{226}Ra+^{4}He

Mass defect = Sum of mass of product - sum of mass of reactants

\Delta m=(\text{Mass of Ra}+\text{Mass of He})-(\text{Mass of Th})

\Delta m=(225.9771+4.008)-(229.9837)=1.4\times 10^{-3}amu=2.324\times 10^{-30}kg

conversion used : (1amu=1.66\times 10^{-27}kg)

Now we have to calculate the energy released.

Energy=\Delta m\times (c)^2

Energy=(2.324\times 10^{-30}kg)\times (3\times 10^8m/s)^2

Energy=2.0916\times 10^{-13}J

The energy released is 2.0916\times 10^{-13}J

Now we have to calculate the energy released by the decay of 3 grams of 'Th'.

As, 230 grams of Th release energy = 2.0916\times 10^{-13}J

So, 3 grams of Th release energy = \frac{3}{230}\times 2.0916\times 10^{-13}J=2.728\times 10^{-15}J

Therefore, the energy released by the decay of 3 grams of 'Th' is 2.728\times 10^{-15}J

5 0
3 years ago
If lead (II) nitrate is added to potassium chloride does a reaction occur? If so, predict the products of the following equation
maria [59]

Answer:

this quote could best be used to describe the fellings that began which political

Explanation:

8 0
3 years ago
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