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Shalnov [3]
3 years ago
14

Which of these is given away or accepted by an atom when it reacts with other atoms?

Chemistry
2 answers:
musickatia [10]3 years ago
8 0

electron i got it right on a test

Alborosie3 years ago
7 0
A; Electron is your answer.
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MODEL Draw a diagram of the soda can calorimeter as a system with energy inputs and
earnstyle [38]

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ARIGATÕ

I WILL TRY AND GET A FEW THINGS TO BE DONE

4 0
3 years ago
One liter of a buffer composed of 1.2 m hno2 and 0.8 m nano2 is mixed with 400 ml of 0.5 m naoh. what is the new ph? assume the
enyata [817]
Answer is: 3,4
Chemical reaction: HNO₂ + NaOH → NaNO₂ + H₂O.
c₀(HNO₂) = 1,2 M = 1,2 mol/dm³.
c₀(NaNO₂) = 0,8 M = 0,8 mol/dm³.
V₀(HNO₂) = V₀(NaNO₂)  = 1 dm³ = 1 L.
c₀(NaOH) = 0,5 M = 0,5 mol/dm³.
n₀(HNO₂)= 1,2 mol/dm³ · 1 dm³ = 1,2 mol.
n₀(NaNO₂) = 0,8 mol/dm³ · 1 dm³ = 0,8 mol.
V(NaOH) = 400 mL · 0,001 dm³/mL = 0,4 dm³.
n₀(NaOH) = c₀(NaOH) · V₀(NaOH).
n₀(NaOH) = 0,5 mol/dm³ · 0,4 dm³ = 0,2 mol.
n(HNO₂) = 1,2 mol - 0,2 mol = 1 mol.
n(NaNO₂) = 0,8 mol + 0,2 mol = 1 mol.
c(HNO₂) = 1 mol ÷ 1,4 dm³ = 0,714 mol/dm³.
c(NaNO₂) = 1 mol ÷ 1,4 dm³ = 0,714 mol/dm³.
pH = pKa + log (c(HNO₂) / c(NaNO₂)).
pH = 3,4 + log (0,714 mol/dm³ / 0,714 mol/dm³) = 3,4.
6 0
4 years ago
Read 2 more answers
Ni(OH)3 +<br> Pb(SO4)2 →__Pb(OH)4 +<br> Ni2(SO4)3<br> what is the balance
Elena-2011 [213]

Answer:

4+3=3+3+2

Explanation:

4Ni(oh)3+3pb(so4)2=3pb(oh)4+2Ni2(so4)3

3 0
4 years ago
A length of 10 cm equals how many dm? Mark all that apply.
kkurt [141]

Answer:

1 dm

Explanation:

Centimeter and decimeter both are units of length.

Centimeter is represented as "cm" while decimeter is represented as "dm"

centimeter is larger than decimeter. One centimeter have 10 decimeter.

1 cm = 10 dm

So in order to convert cm to dm we will divide the given value by 10.

10 dm × 1 cm/10 cm

1 dm

6 0
3 years ago
What information about earthquakes do scientists gain from seismographs?
Anvisha [2.4K]

Answer:

how strong it is

Explanation:

Seismographs are not able to say when earthquake will happen, but they help humans to know how strong it is or if it is happening or not

8 0
3 years ago
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