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bixtya [17]
3 years ago
9

PLEASE HELP URGENT! .................................

Mathematics
1 answer:
frutty [35]3 years ago
5 0
It's the bottom left one
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How to isolate scalars from a matrix
I am Lyosha [343]
The technique of matrix isolation involves condensing the substance to be studied with a large excess of inert gas (usually argon or nitrogen) at low temperature to form a rigid solid (the matrix). The early development of matrix isolation spectroscopy was directed primarily to the study of unstable molecules and free radicals. The ability to stabilise reactive species by trapping them in a rigid cage, thus inhibiting intermolecular interaction, is an important feature of matrix isolation. The low temperatures (typically 4-20K) also prevent the occurrence of any process with an activation energy of more than a few kJ mol-1. Apart from the stabilisation of reactive species, matrix isolation affords a number of advantages over more conventional spectroscopic techniques. The isolation of monomelic solute molecules in an inert environment reduces intermolecular interactions, resulting in a sharpening of the solute absorption compared with other condensed phases. The effect is, of course, particularly dramatic for substances that engage in hydrogen bonding. Although the technique was developed to inhibit intermolecular interactions, it has also proved of great value in studying these interactions in molecular complexes formed in matrices at higher concentrations than those required for true isolation.
3 0
3 years ago
A fitness center currently has 320 members. Monthly membership fees are $45. The manager of the fitness center has determined th
murzikaleks [220]

Are we subtracting the total or ? What's the question. , If so that would be 310 members as of the $5 raise in fees

3 0
3 years ago
A number - _______ = previous number
leva [86]

Answer:

1

Step-by-step explanation:

When we substract 1 from any number then will get just previous number.

Example :

Let any number 17

17-1 =16

16 is the just previous number of 17

Therefore, A number -1 = previous number

Answer will be 1

6 0
2 years ago
David has 30 sweets. He gives Sarah of his sweets and Joe 20% of his
gayaneshka [121]

Answer:

24

Step-by-step explanation:

20 percent of 30 is 6

30-6=24

therefore david has 24 sweets left

6 0
2 years ago
Justin did push-ups every weekday this week. He did 8 push-ups on Monday, 14 push-ups on Tuesday, 18 push-ups on Wednesday, 6 pu
olga2289 [7]

Answer:

10.8

Step-by-step explanation:

to so the mean you add up all of the numbers and divide by the amount you have. so add up all the numbers to get 54, the divide 54 by 5 because there are numbers.

5 0
3 years ago
Read 2 more answers
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