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saw5 [17]
3 years ago
15

Adding neutrons can change the atomic radius of an atom. true or false

Chemistry
1 answer:
nekit [7.7K]3 years ago
3 0

Answer:

true i think

Explanation:

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What object has a mass of 10 grams and a volume of 2 mL
Elena-2011 [213]

Answer:

Destiny = 5 g/ml

Explanation:

The formula for density is d=

Knowing this, divide your mass by volume:

10 g / 2 ml = 5 g/ml

Final answer:

Destiny = 5 g/ml

3 0
3 years ago
Which of these is a mixture
goldfiish [28.3K]
You are right sugar is a mixture and salad, water and potassium are all wrong.
Your Welcome
3 0
3 years ago
Read 2 more answers
I’ll mark you brainley if you help me figure out which answer it is!!!
Stolb23 [73]

Answer:

A

Explanation:

A chemical change happens when one chemical substance is transformed into one or more different things , such as when iron becomes rust so

B: Acids turn the indicator red, pink, orange, and yellow, while bases turn it green based on what it reactions with or comes in contact with  so b is maybe

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and d a physical change, will technically yes and no there should have not been a smell afterwards so the only really choose that makes sense here is A  

5 0
3 years ago
At 218°C, Keq=1.2 x 10^-4 for the equilibrium NH4SH(s) ⇋ NH3(g) + H2S(g). Calculate the equilibrium concentrations of NH3 and H2
maksim [4K]

At 218 °C, solid NH₄SH decomposes to form 0.011 M NH₃ and H₂S, as given by its equilibrium constant.

<h3>What is the equilibrium constant?</h3>

The equilibrium constant (Keq) is the ratio of the product of the concentrations of the products to the product of the concentrations of the reactants, all raised to their stoichiometric coefficients.

Only gases and aqueous species are included.

  • Step 1. Make an ICE chart.

        NH₄SH(s) ⇋ NH₃(g) + H₂S(g)

I                                 0           0

C                               +x          +x

E                                x            x

  • Step 2. Write the equilibrium constant.

Keq = 1.2 × 10⁻⁴ = [NH₃] [H₂S] = x²

x = 0.011 M

At 218 °C, solid NH₄SH decomposes to form 0.011 M NH₃ and H₂S, as given by its equilibrium constant.

Learn more about equilibrium here: brainly.com/question/5081082

#SPJ1

3 0
2 years ago
Cuales son las propiedades de la materia
lubasha [3.4K]

Answer:]

Las propiedades de la materia incluyen cualquier rasgo que se pueda medir, como la densidad, el color, la masa, el volumen, la longitud, la maleabilidad, el punto de fusión, la dureza, el olor, la temperatura y más de un objeto

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3 years ago
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