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Andru [333]
3 years ago
14

Were can i find dense water on earth.

Chemistry
2 answers:
EastWind [94]3 years ago
7 0
Ocean water is dense because of the salt that is in it.
Nostrana [21]3 years ago
4 0

Explanation:

Surface water is enriched in salt from sea ice formation. Due to its increased density, it flows down the Antarctic continental margin and continues north along the bottom. It is the densest water in the free ocean, and underlies other bottom and intermediate waters throughout most of the southern hemisphere.

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Why did scientists undertake the Human Genome Project?
AysviL [449]

Answer:

Primary goals were to discover the complete set of human genes and make them accessible for further biological study, and determine the complete study of DNA cells in the human genome.

Explanation:

3 0
3 years ago
Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g) If you have 4 moles of zinc and 4 moles of hydrochloric acid, which of these would be the l
Y_Kistochka [10]

Answer:

D) hydrochloric acid.

Explanation:

  • The balanced equation for the mentioned reaction is:

<em>Zn(s) + 2HCl(aq) → ZnCl₂(aq) + H₂(g),</em>

<em></em>

It is clear that 1.0 moles of Zn react with 2.0 moles of HCl to produce 1.0 moles of ZnCl₂ and 1.0 mole of H₂.

  • From stichiometry; Zn reacts with HCl with (1: 2) molar ratio.

<em>∴ 2.0 mol of Zn (the remaining 2.0 mol is in excess) react completely with 4.0 mol of HCl with (1: 2) molar ratio.</em>

<em />

So,

the limiting reactant is HCl and the excess reactant is Zn.

<em>Thus, the right choice is: D) hydrochloric acid.</em>

8 0
4 years ago
A 2.0 mL sample of a liquid has a mass of 44.0 g. What is the density of the liquid?
riadik2000 [5.3K]

Answer:

The answer is

<h2>22 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}

From the question

mass of liquid = 44 g

volume = 2 mL

The density of the liquid is

density =  \frac{44}{2}

We have the final answer as

<h3>22 g/mL</h3>

Hope this helps you

8 0
4 years ago
The speed of a car should be going when trying to drift is around 30 mph how fast is this in m/s
Galina-37 [17]
1 miles = 1609.344 m
1 hour = 60 min x 60 sec = 3600 s

30 miles 1 hr 1609.344 m
_______ x ______ x __________= 13.412m/s

1 hr 3600 s 1 miles
5 0
3 years ago
What kind of change is a change in state of matter and why<br> Physical or chemical
Maru [420]

Answer:

physical

Explanation:

Common changes of state include melting, freezing, sublimation, deposition, condensation, and vaporization. I hope this helps. :)

6 0
4 years ago
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