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katen-ka-za [31]
4 years ago
10

Please help me for 20 points NUMBER 11 ONLY PLEASE LOOK ON PHOTO FOR THE QUESTION, thanks!

Chemistry
1 answer:
Blizzard [7]4 years ago
7 0
Astroid is the answer to the problem
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What type of substance contains more than one kind of element joined by chemical bonds?
Usimov [2.4K]

<span>The answer is compound.  Elements are composed of one kind of atoms bonded together. There are different types of compounds: ionic, complexes, molecular, and intermetallic compounds. The proportion of elements in the compound is expressed using a chemical formula. An example of an element is Aluminium while an example of a compound is H2S (Hydrogen sulfide).</span>






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3 years ago
Now let’s return to the question of why everything went off when the light, a heater, and a hair dryer were all running in the b
igomit [66]

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The power must have gone out for that area.

Explanation:

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If a swimming pool contains 2,850 kiloliters (kL) of water, how many gallons (gal) of water does it contain? (1 gal = 3.785 L)
siniylev [52]

we are given

a swimming pool contains 2,850 kiloliters (kL) of water

2,850 kiloliters (kL)=2850000L

we know that

1gal=3.785L

3.785L=1gal

Firstly , we will find for 1L

1L=\frac{1}{3.785}gal

now, we can multiply both sides by 2850000

2850000*1L=2850000*\frac{1}{3.785}gal

2850000L=2850000*\frac{1}{3.785}gal

2850000L=752972.25892gal

so,

a swimming pool contains 752972.25892gal of water...........Answer


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3 years ago
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Which type of preservation is made when a mold fills in with sediment, showing the exterior features of an organism?
Sever21 [200]
That would be C, a cast. It is similar to the process of filling a mold with foam or clay, which is also called a cast.
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Scientists use models to help them represent things in nature that they cannot observe directly. They can also use models to mak
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I think it’s chlorine (Cl)

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I’m literally doing the same question right now

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