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Serga [27]
3 years ago
11

Name 5 types of energy​

Chemistry
2 answers:
Helen [10]3 years ago
3 0
Mechanic energy electrical energy. light energy thermal energy. sound energy
Blababa [14]3 years ago
3 0

Answer:

Mechanical electric thermal chemical nuclear sound light

Explanation:

a simple abbreviation is M.E.L.T.S C.N

THESE ARE THE BASIC FORMS NOT ALL

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How many moles of oxygen gas would be needed to completely burn 8 moles of<br> hydrogen sulfide?
uysha [10]

Answer:

12 mol O2

Explanation:

This is assuming you're using a combustion equation of

2 H2S + 3O2 -> 2H2O + 2SO2

Next time include the equation because that is where you will find your mol to mol ratio

8 mol H2S x (3 mol O2 / 2 mol H2S) = 12 mol O2

3 0
3 years ago
How many lone pairs of electrons are represented in the Lewis structure of a phosphate ion (PO43-)? 10 12 21 24
ra1l [238]
To illustrate the Lewis structure,
P has 5 valence electrons
O has 6 valence electrons (each for 4 oxygen)
And finally, for every negative charge, there is an additional valence electron

We should add these all up = 5 + 24 + 3 = 32 valence electrons

With this, we can be guided to illustrate the lewis structure as P as central atom and the 3 oxygen each with a single bond with P and 1 oxygen with a double bond with P. We place the valence electrons until octet rule is satisfied,
we will be left with 12 lone pairs for phosphate ion.
6 0
2 years ago
Over time the Mexican-Free Tailed bat has evolved to be able to echolocate in the dark to find prey. Bats are able to see, but d
Law Incorporation [45]

Answer:

Light

Explanation:

1 They were not albe to see at night because it  was dark so the lack of light caused them to use echolocation.

Hope this helps

4 0
3 years ago
Which of these can be determined based on the knowledge about weather?
PtichkaEL [24]
<span>A: best time to go fishing at sea</span>
6 0
3 years ago
Read 2 more answers
What is a half-life of an isotope? please help
N76 [4]

Answer:

Explanation:

Hello! Hope this helps!

One important measure of the rate at which a radioactive substance decays is called half-life, or t1/2. Half-life is the amount of time needed for one half of a given quantity of a substance to decay. Half-lives as short as 10–6 second and as long as 109 years are common.

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3 years ago
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