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DaniilM [7]
2 years ago
11

Un vehículo inicia su recorrido desde el reposo, al cabo de 30 segundos tiene una velocidad de 120 m/s. ¿Cuál es la aceleración

que trae dicho vehículo?
Chemistry
1 answer:
BARSIC [14]2 years ago
8 0

Explanation:

KTLDÖDUÖOQO5SKDXBBCMCNXYLZD

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Calculate the silver ion concentration in a saturated solution of silver(i) sulfate (ksp = 1.4 × 10–5).
deff fn [24]

Answer:

= 0.030 M

Explanation:

We can take x to be the concentration in mol/L of Ag2SO4 that dissolves  

Therefore;  concentration of  Ag+ is 2x mol/L and that of SO4^2- x mol/L.

Ksp = 1.4 x 10^-5

Ksp = [Ag+]^2 [SO42-]

      = (2x)^2(x)

      = 4x^3  

Thus;

4x^3  = 1.4 x 10^-5

         = 0.015 M

molar solubility = 0.015 M

But;

[Ag+]= 2x

Hence; silver ion concentration is

= 2 x 0.015 M

= 0.030 M

6 0
2 years ago
These two questions please
zhenek [66]

Answer:

1.) 3

2.) 60 CM

Explanation:

1. Density=\frac{MASS}{VOLUME}= \frac{75}{25}

2. Length*Width*Height=3*10*2

6 0
3 years ago
Read 2 more answers
Do ionic or covalent substances tend to produce more ions in solution? ...?
sasho [114]
The answer for the given question above is IONIC. <span>Ionic substances form giant ionic </span>lattices<span> containing oppositely charged ions. They have high melting and boiling points, and </span>conduct<span> electricity when melted or dissolved in water.</span>
8 0
3 years ago
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How many molecules of sulfur trioxide are in 78.0 grams?
zalisa [80]

Answer:

b) 5.87 E23 molecules

Explanation:

∴ mm SO3 = 80.066 g/mol

⇒ molecules SO3 = (78.0 g)(mol/80.066 g)(6.022 E23 molec/mol)

⇒ molec SO3 = 5.866 E23 molecules SO3

5 0
2 years ago
List at least two chemical reactions that resulted in a yellow, orange, or red precipitate. For these reactions, list the possib
Katarina [22]
<span>1) 0.2M ferric nitrate is added gradually to 1M sodium hydroxide. In result, a red precipitate appears. The precipitate is ferric hydroxide. 
2) </span><span>0.2M potassium chromate is added gradually to 0.05M lead acetate. in result, a yellow precipitate appears. The precipitate is called potassium acetate. 
The common between the two is that the colors originated from  one of the reactants. </span>
7 0
3 years ago
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