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suter [353]
3 years ago
13

Describe the shapes and relative energies of the s, p, d, and f atomic orbitals. (3 points) Be sure you address both the shapes

of each atomic orbital and the relative energy for each orbital. Be sure to use ACE format to answer this question. This type of problem came from unit 3.
Chemistry
1 answer:
Makovka662 [10]3 years ago
6 0

Answer:

According to the subshells, the  ns subshell has a sphere-like shape, and on average, lower energy than the rest of the subshells on the same quantum level  

The np subshell has two lobes opposite the origin, and on average has more energy than a ns subshell since it has one more angular node, and thus  np electrons are less core-like (and further away from the nucleus).

n d orbitals have five spatial orientations:

and n f orbitals have seven spatial orientations

The energies are on average in increasing order for the same energy level , n as follows,

nS < nP < nD < nF

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What volume of CH4(g), measured at 25oC and 745 Torr, must be burned in excess oxygen to release 1.00 x 106 kJ of heat to the su
anastassius [24]

Answer:

V=27992L=28.00m^3

Explanation:

Hello,

In this case, the combustion of methane is shown below:

CH_4+2O_2\rightarrow CO_2+2H_2O

And has a heat of combustion of −890.8 kJ/mol, for which the burnt moles are:

n_{CH_4}=\frac{-1.00x10^6kJ}{-890.8kJ/mol}= 1122.6molCH_4

Whereas is consider the total released heat to the surroundings (negative as it is exiting heat) and the aforementioned heat of combustion. Then, by using the ideal gas equation, we are able to compute the volume at 25 °C (298K) and 745 torr (0.98 atm) that must be measured:

PV=nRT\\\\V=\frac{nRT}{P}=\frac{1122.6mol*0.082\frac{atm*L}{mol*K}*298K}{0.98atm}\\\\V=27992L=28.00m^3

Best regards.

8 0
4 years ago
What is occurring when reactants are mixed and heated and liquid collects in the sidearm of the apparatus
olga55 [171]

When reactants are mixed and heated and liquid collects in the sidearm of the apparatus, a chemical reaction is occurring.

<h3>What is a chemical reaction?</h3>

A chemical reaction is said to occur when reactants are combined to form products. We must note that the formation of products is evidenced by;

  • Appearance of a liquid
  • Appearance of a gas
  • Appearance of a solid

Hence,  when reactants are mixed and heated and liquid collects in the sidearm of the apparatus, a chemical reaction is occurring.

Learn more about chemical reaction:brainly.com/question/22817140

#SPJ1

4 0
2 years ago
A laboratory analysis of an unknown sample yields 74.0% carbon, 7.4% hydrogen, 8.6% nitrogen, and 10.0% oxygen. What is the empi
kirza4 [7]
Let us assume that there is a 100g sample present. The respective mass of each element will then be:
C: 74 g
H: 7.4 g
N: 8.6 g
O: 10 g
Now, we divide each constituent's mass by its Mr to obtain the moles of each
C: (74 / 12) = 6.17
H: (7.4 / 1) = 7.4
N: (8.6 / 14) = 0.61
O: (10 / 16) = 0.625
Dividing by the smallest number:
C: 10
H: 12
N: 1
O: 1
Thus, the empirical formula is
C10H12NO
3 0
3 years ago
Study the diagram below to the following question.which of the above images is a molecule?
kotegsom [21]
I can help you I just need the image

4 0
4 years ago
Plzzzz help due in like 10 min!!!
muminat

Answer: for question 4, the answer would most likely be movement of air, water and rock

Explanation:

3 0
3 years ago
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