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ololo11 [35]
3 years ago
7

Which is earths largest source of drinkable water

Chemistry
1 answer:
Hitman42 [59]3 years ago
8 0

Answer:

The Ocean

Explanation:

The Ocean is what makes up most of the water on Earth which makes it the largest source of water you can find. As long as you make the Ocean/Sea water drinkable (by treating/helping to remove dirt, salt and other harmful components) then you should be fine.

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A balloon has a negative charge and a glass rod has a positive charge.
Juliette [100K]
They will attract each other when brought close but when they touch the glass rod will become a negative charge and will repel each other
7 0
3 years ago
During an experiment, it is observed that iron powder sinks in water and sulfur powder floats in water. What will most likely be
lutik1710 [3]

Sulfur will float, and iron will sink because each will retain its properties.

“Iron will float, and sulfur will sink because each will lose its properties” is <em>incorrect</em>. A substance will lose its properties only if it reacts to form a new substance.

“Both will float because they are physically mixed” is <em>incorrect</em>. The substances in a mixture retain their properties.

“Both will float because they react chemically” is <em>incorrect</em>. Iron and sulfur do not react at room temperature. Even if they did, the iron sulfide would sink.

7 0
3 years ago
Read 2 more answers
Mg + _LINO3 → _Mg(NO3)2 + _Li
-BARSIC- [3]

Answer: both numbers are 2

Explanation:

7 0
3 years ago
Can someone plz help me with this because I do not understand it ASP
AlladinOne [14]

Answer:

I'm not the best at chemistry but from what I remember you need to balance the equation and you need the arrows. It wants you to use double displacement and so thats the definition im assuming.

Explanation:

An example would be

Na2SO4 + SrCl2 --> 2 NaCl + SrSO4

This is a balanced equation.

https://en.intl.chemicalaid.com/tools/equationbalancer.php

This link will help you balance an equation.

Hopefully this helps I appologize if it doesn't.

4 0
3 years ago
If 15.5 mL of 0.225 M aqueous magnesium chloride is added to 37.5 mL of 0.250 M aqueous lead(II) nitrate, then what mass of lead
Evgen [1.6K]

Answer:

B. 0.971 g

Explanation:

When MgCl₂(aq) reacts with Pb(NO₃)₂(aq), PbCl₂(s) and Mg(NO₃)₂(aq) are produced:

MgCl₂(aq) + Pb(NO₃)₂(aq) →, PbCl₂(s) + Mg(NO₃)₂(aq)

Thus, we need to find imiting reactant finding moles of each reactant:

<em>Moles MgCl₂:</em>

15.5mL = 0.0155L * (0.225 mol / L) = 3.49x10⁻³ moles

<em>Moles Pb(NO₃)₂:</em>

37.5mL = 0.0375L * (0.250mol / L) = 9.38x10⁻³ moles

As the ratio of the reactants is 1:1, the moles of PbCl₂ are 3.48x10⁻³ moles.

We need to convert thes moles to mass using molar mass of PbCl₂ (278.1g/mol), thus:

3.48x10⁻³ moles * (278.1g/mol) =

0.968g of PbCl₂ are precipitate

Thus, right answer is:

<h3>B. 0.971 g</h3>
4 0
3 years ago
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