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1 year ago

How many equivalents of Mg2+ are present in a solution that contains 2.60 moles of Mg2+ ?

Chemistry

1 answer:

harina [27]1 year ago

3 0

Answer:

Science. Chemistry. Chemistry questions and answers. How many equivalents of Mg2+ are present in a solution that contains 2.65 moles of Mg2+ ? Express your answer using three …

Expert Answer. 100% (5 ratings) Number of equivalents of an ion …. View the full answer. Transcribed image text: Question 4 (0.5 points) How many equivalents of Mg2+ are present in …

how many equivalents of Mg2+ are present in a solution that contains 2.75 mol of Mg2+?

5.50 eq

Explanation:

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For the reaction, ApJO2,(aq) + DnIc(aq) ---> _____ + ______ which of the following best fits in one of the

gizmo_the_mogwai [7]

The answer to this question is going to be letter A

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3 years ago

Predict the geometry around the central atom in SO2- A) trigonal pyramidal B) tetrahedral C) octahedral D) trigonal planar E) tr

liubo4ka [24]

Answer: The correct answer is Option D.

Explanation:

To calculate the hybridization of $SO_2$ , we use the equation:

$\text{Number of electron pair}=\frac{1}{2}[V+N-C+A]$

where,

V = number of valence electrons present in central atom (S) = 6

N = number of monovalent atoms bonded to central atom = 0

C = charge of cation = 0

A = charge of anion = 0

Putting values in above equation, we get:

$\text{Number of electron pair}=\frac{1}{2}[6]=3$

The number of electron pair around the central metal atom are 3. This means that the hybridization will be $sp^2$ and the electronic geometry of the molecule will be trigonal planar.

Hence, the correct answer is Option D.

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4 years ago

How much energy is required to melt 2kg of ice at 0°C?

Ann [662]

Answer 0 °C + Heat required to convert 2 kg of water at 0 °C to 2 kg of water at 20 °C. Therefore, to melt 2 kg of ice 835.48 KJ of heat is required.

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3 years ago

Read 2 more answers

WILL GIVE FREE BRAINLIEST EVERYDAY! DO NOT look up answers!! PLEASE FOLLOW DIRECTIONS ON FUTURE QUESTIONS OR WRONG!!! (Branliest

Maslowich

Answer:

Purpose of Iodine:

Iodine plays a vital role in thyroid health. Our thyroid gland, which is located at the base of the front of your neck, helps regulate hormone production. These hormones control your metabolism and heart health.

Symbol:

The symbol of Iodine is " I ".

Atomic Mass:

Atomic mass of Iodine is 126.90447 u

Protons:

No. of protons in Iodine is 53.

Neutrons:

No. of neutrons in Iodine is 74.

Electrons:

No. of electrons in Iodine is 53.

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3 years ago

A thermometer reads a pressure of 120 kPa at 0 ˚C. What is the temperature when the thermometer reads a pressure of 80 kPa? (Cel

Mariulka [41]

Answer:

T₂ = 182 K

Explanation:

Given that,

Initial pressure, P₁ = 120 kPa

Initial temperature, T₁ = 0˚C = 273 K

We need to find the final temperature when the pressure is 80 kPa.

We know that, Gay Lussac's Formula is :

$\dfrac{P_1}{T_1}=\dfrac{P_2}{T_2}\\\\T_2=\dfrac{P_2T_1}{P_1}\\\\T_2=\dfrac{80\ kPa\times 273}{120\ kPa}\\\\T_2=182\ K$

So, the new temperature is equal to 182 K.

4 0

3 years ago