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natta225 [31]
3 years ago
9

Which of the following describes the greenhouse effect?

Chemistry
1 answer:
forsale [732]3 years ago
5 0

Answer:

D

Explanation:

Earth's greenhouse gases trap heat in the atmosphere and warm the planet.

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What are the characteristics of electromagnetic waves?
CaHeK987 [17]

Answer: Electromagnetic waves are transverse in nature as they propagate by varying the electric and magnetic fields such that the two fields are perpendicular to each other.

Accelerated charges are responsible to produce electromagnetic waves.

Explanation:

3 0
3 years ago
How many protons and neutrons are in the nucleus of zinc-72
Veronika [31]

Answer:

30 protons

Explanation: Each zinc isotope contains 30 protons, 30 massive, positively charged nuclear particles

30 protons, 34 neutrons, and 30 electrons.

3 0
2 years ago
Describe the spin of carbon-14's valence electrons and explain how you came about your answer.
Snezhnost [94]

we have to know the spin of valence electrons of carbon-14

There are four unpaired electron which are called as valence electron also.The spin of the four unpaired electron is either upfilled or down filled.

The ground state electronic configuration of C-atom is 1s²2s²2p² and one electron from 2s orbital gets excited to 2p orbital. The elctronic configuration in excited state is 1s²2s¹2p_{x}^{1} 2p_{y}^{1}2p_{z}^{1}.

The electron jumps because half-filled orbitals are more stable. Exchange energy is less than pairing energy.


8 0
3 years ago
303 K into °C <br>How To convert 303 K into °C​
irga5000 [103]

Answer:

29.85°C

Explanation:

0°K is absolute zero.  That is is same as -273.15°C.

To find C, subtract 273.15 from the temperature in °K.

303K - 273.15°C = <em><u>29.85°C</u></em>

5 0
2 years ago
Based on this chemical equation KNO3 --&gt; KNO2 + O2
TEA [102]
It’s decomposition. The compound is being broken apart into two different things aka decomposing.
6 0
3 years ago
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