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Svet_ta [14]
3 years ago
13

Can sunscreen damage other organisms?

Chemistry
1 answer:
miv72 [106K]3 years ago
5 0

Sunscreen can have negative effects on corals and other marine organisms under certain circumstances.

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The more mass you have of a substance:
otez555 [7]
A beachside all objects have thermal energy but thermal energy is the sum of the energy of all the particles so the more particles the more energy.
7 0
3 years ago
What is the number of the lowest energy level that contains an f sublevel?
forsale [732]

Answer: n = 4.


Explanation:


1) The main energy level is represented by the principal (main) quantum number, n. It can be 1, 2, 3, 4, 5,6, or 7. It is the period number in the periodic table.


2) The next quantum number is the Azimuthal quantum number (ℓ), also known as angular quantum number. It indicates the subshell (sublevel) or type of orbital.


This quantun number may be:


s, p, d, or f.


3) For n = 1, there is only one ℓ number: 0; which is the orbital s


For n = 2, there are two possible ℓ numbers: 0 and 1; which are the orbitals s and p.


For n = 3, there are three possible ℓ numbers: 0, 1, and 2, which are the orbitals s, p, and d:


For n = 4, there are four possible ℓ numbers:0, 1, 2, and 3; which are the orbitals s, p, d, and f.


So, the f sublevel appears first time when n = 4, i.e the number of the lowest energy level that contains an f sublevel is 4.

5 0
3 years ago
Hydroxyl radicals react with and eliminate many atmospheric pollutants. However, the hydroxyl radical does not clean up everythi
Nesterboy [21]

Answer:

ΔHreaction = 263.15 kJ/mol

Explanation:

The reaction is as follow:

OH + CF₂Cl₂ → HOF + CFCl₂

You need to calculate the enthalpy of reaction and for this it is necessary to know the standard enthalpies for each of the compounds. These enthalpies are as follows and can be found in your textbook or on the Internet.

ΔHreaction = ∑ΔHproducts - ∑ΔHreactants

delta(H)_{reaction} =((1*(-97.8)+(1*(-92))-((1*39)+(1*(-491.15))=263.15kJ/mol

7 0
3 years ago
Which of the following is an organic moleclue ?
Doss [256]

Answer:

water

Explanation:

6 0
3 years ago
What is solubility curves​
love history [14]

Answer:

Explanation:

A solubility curve is a graph of solubility, measured in g/100 g water, against temperature in °C. Solubility curves for more than one substance are often drawn on the same graph, allowing comparisons between substances

8 0
2 years ago
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