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snow_tiger [21]
3 years ago
8

Sewage is a liquid waste which causes _________ and ________ pollution.

Chemistry
2 answers:
nadezda [96]3 years ago
5 0

Answer:

Lake and River pollution?

Explanation:

Mashutka [201]3 years ago
5 0

Answer:

the one to the right at the end is water waste

Explanation:

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How do you toast a toaster?
Mama L [17]

by putting to much current through it ?

7 0
3 years ago
What is the net ionic equation for the reaction if any that occurs when aqueous solutions of Na2CO3 and HCL are mixed?
strojnjashka [21]

Answer:

CO₃²⁻(aq)  +  2H⁺(aq) → CO₂ (g)  + H₂O (l)

Explanation:

The balanced reaction between Na2CO3 and HCl is given as;

Na₂CO₃ (aq) + 2 HCl (aq) → 2 NaCl (aq) + CO₂ (g) + H₂O (l)

The next step is o express the species as ions.

The complete ionic equation for the above  reaction would be;

2Na⁺(aq)  + CO₃²⁻(aq)  +  2H⁺(aq)  + 2Cl⁻(aq)   → Na⁺(aq)  + Cl⁻(aq)  + CO₂ (g)  + H₂O (l)

The next step is to cancel out the spectator ion ions; that is the ions that appear in both the reactant and product side unchanged.

The spectator ions are;  Na⁺ and Cl⁻

The net ionic equation is given as;

CO₃²⁻(aq)  +  2H⁺(aq) → CO₂ (g)  + H₂O (l)

7 0
3 years ago
A fish may have hundreds of offspring at a time and only a small number can survive. which characteristics of fish might allow t
mafiozo [28]
Well depends on what type of fish the parent is but i guess you can say:
what they eat
teeth
instincts
color
venom
blending in,etc
8 0
3 years ago
How many grams of 2Na + Cl2 would be required to produce 4 grams of table salt?
kondaur [170]
NaCl is table salt so you need 4Na and 4 Cl, So Na₄Cl₄
4 0
3 years ago
Find the mass in 2.6 mole of lithium bromide
Tresset [83]

Answer:

2.6 mole of lithium bromide have 225.81 g.

Explanation:

Given data:

Number of moles of lithium bromide = 2.6 mol

Mass of lithium bromide = ?

Solution:

Formula:

<em>Number of moles = mass/ molar mass</em>

Molar mass of lithium bromide = 86.85 g/mol

Mass = number of moles × molar mass

Mass = 2.6 mol ×86.85 g/mol

Mass = 225.81 g

Thus 2.6 mole of lithium bromide have 225.81 g.

5 0
3 years ago
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