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AnnZ [28]
3 years ago
5

Light, heat, and ultraviolet radiation are types of ___ produces by stars

Chemistry
1 answer:
Charra [1.4K]3 years ago
6 0

Answer:

energy

Explanation:

Those are all forms of energy

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Name the following Type 3 compound
Natasha_Volkova [10]

Answer:

32

Explanation:

5 0
3 years ago
What volume will 0.875 moles of Kr occupy at STP
umka21 [38]

<span> </span> <span>V = nRT/P = (0.875)(0.082057)(273)/(1) = 19.6 L</span>

6 0
3 years ago
I don't know how to do this can I get the answers plz it's due in 1 hour
katrin [286]
Okay, so even if I just gave you the answers, your teacher needs work on it too so it'll be easier/better if I just explain how to do it.
Basically, both sides need to have the same number of molecules. To do this, we make charts. This is the first side of number one:
Na - 1
Mg- 1
F - 2
The subscript gives F two molecules, and the other ones only each have one. This is the second side:
Na- 1
Mg- 1
F- 1
So they're not equal. To fix this, we add coefficients. These are numbers that are going to appear in the front of each compound/element and changes the number of molecules of the WHOLE compound/element. We need two F on the second side, so we'll put a coefficient of 2 in front of NaF. The new chart for the second side is this:
Na- 2
Mg- 1
F- 2
Now we've fixed the F, but now Na is off! So let's go to the first side again and see what we can do. We can put a 2 in front of the Na. The new chart is this:
Na- 2
Mg -1
F- 2
Now both sides are the same. The full new equation is:
2Na + MgF(sub2) = 2NaF + Mg
Basically, do this for all of them. Feel free to ask more questions.
4 0
3 years ago
Read 2 more answers
When The appearance of a system changes does the mass of the system also change why why not
seropon [69]
No, because the appearance has nothing to do with system as well as the fact that appearance is only how it looks

(Btw, that toga picture is like... ughhhh!) hope this helps you ♥︎☀︎☁︎♨︎

5 0
3 years ago
Read 2 more answers
What is the Kelvin temperature for 30°C? 130 K 30 K 273 K 293 K 303 K
pishuonlain [190]

The answer is 303 K, to find K you have to add 273 to the °C

8 0
3 years ago
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