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Bezzdna [24]
3 years ago
8

Round off the following measurement to three significant figures. 1.296 g

Chemistry
1 answer:
REY [17]3 years ago
7 0
It would be 1 or 2 because if the number is higher than 5 you need to round up , if its lower than 5 you need to round down.

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Viefleur [7K]

Answer:

The answer you selected is correct (A)have

Explanation:

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5 0
2 years ago
D) does not dissociate in solution.
natima [27]

Answer:

According to the proton theory of acids and bases by J. Brønsted and T. Lowry, the  acid is<u> proton donor</u>.

Explanation:

According to the Bronsted lowry concept an acid is substance that gives protons or hydrogen ion while,

Base is substance that accept hydrogen ion or proton.

Consider the following example:

NH₃ + HCl  →  NH₄⁺ + Cl⁻

In this example HCl is Bronsted lowry acid it gives H⁺ while ammonia is Bronsted lowry base because it accept H⁺.

This also gives the concept of conjugate acid and base. In given example Cl⁻ is conjugate base of HCl while NH₄⁺ is conjugate acid of ammonia.

4 0
3 years ago
Mg + 2HCl ⟶ MgCl2 + H2
Ivanshal [37]

Answer: m = 24.31 g/mol · 1.13 mol

Explanation: 2 mol HCl use 1 mol Mg.

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M(Mg) = 24.31 g/ mol

7 0
2 years ago
If a stone with an original velocity of 0 is falling from a ledge and takes 8 seconds to hit the ground what is the final veloci
ziro4ka [17]
Also 0 as it hits the ground and stops
5 0
3 years ago
Ionic bonds are formed by the attraction between two ________________.
cricket20 [7]
It would be C) atoms of the opposite charges. iconic bonds are formed by the attraction of two atoms of the opposite charge.

Hope this helps :)

can you please make this the brainiest answer it would really help me. thank you :) 
7 0
3 years ago
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