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borishaifa [10]
2 years ago
13

What completely ionizes in solution

Chemistry
1 answer:
Nata [24]2 years ago
6 0

Answer:

Strong acids. hope this helps :)

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Three different atoms or atomic cations with 3 electrons.
sveticcg [70]

Answer:

Li, Be^+, B^{2+}

Explanation:

To answer this question successfully, we need to remember that atoms are neutral species, since the number of protons, the positively charged particles, is equal to the number of electrons, the negatively charged particles. That said, we may firstly find an atom which has 3 electrons (and, as a result, 3 protons, as it should be neutral).

The number of protons is equal to the atomic number of an element. We firstly may have an atom with 3 protons and 3 electrons (atomic number of 3, this is Li).

Similarly, we may take the atomic number of 4, beryllium, and remove 1 electron from it. Upon removing an electron, it would become beryllium cation, Be^+.

We may use the same logic going forward and taking the atomic number of 5. This is boron. In this case, we need to remove 2 electrons to have a total of 3 electrons. Removal of 2 electrons would yield a +2-charged cation: B^{2+}.

6 0
2 years ago
Calculate the solubility of carbon dioxide at 400 kPa.
BaLLatris [955]

The solubility of carbon dioxide at 400 kPa  at room temperature is ;

( B ) 0.61 CO2/L

<u>Given data </u>

pressure of CO₂ = 400 Kpa = 3.95 atm

Kh of CO₂ = 3.3 * 10⁻² mol/L.atm

<h3>Calculate the solubility of carbon dioxide </h3>

Solubility = pressure * Kh value of CO₂

                = 3.95 atm * 3.3 * 10⁻² mol / L.atm

                = 0.13 mol/l  CO₂

                = 0.61 CO₂ / L

Hence we can conclude that the solubility of CO₂ at 400 kPa is 0.13 mol/l  CO₂.

Learn more about solubility : brainly.com/question/23946616

From the options the closest answer is ( B ) 0.61 CO₂ / L

7 0
2 years ago
At what temperature do the gas and liquid phases become<br> indistinguishable from each other?
sergiy2304 [10]

Answer:

100 C or 212 F

Explanation:

That is the boiling point for liquid so both gas and liquid are presented.

5 0
3 years ago
Read 2 more answers
How much heat energy is required to melt 75g of ice at 0°C?
Mnenie [13.5K]

The enthalpy change for melting ice is called the entlaphy of fusion. Its value is 6.02 kj/mol. This means for every mole of ice we melt we must apply 6.02 kj of heat. We can calculate the heat needed with the following equation:

Q = N x ΔH

where:

Q  = heat

N  = moles  

ΔH  = enthalpy

In this problem we would like to calculate the heat needed to melt 35 grams of ice at 0 °C. This problem can be broken into three steps:


1. Calculate moles of water

2. multiply by the enthalpy of fusion

3. Convert kJ to J.


Step 1 : Calculate moles of water

[ 75g ] x (\frac{1 mol}{18.02g} ) =

Step 2 : Multiply by enthalpy of fusion

Q = N × ΔH  = <em> [ Step 1 Answer ]</em> ×  6.02 =

Step 3 : Convert kJ to J

[ Step 2 Answer ] x (\frac{1000j}{1kJ} ) =

Finally rounding to 2 sig figs (since 34°C has two sig figs) we get


Q Would Equal ____

4 0
3 years ago
Why could weathering and erosion be a bad thing?
choli [55]

The can lead to mass wasting

Explanation:

Weathering and erosion can be a bad thing because they can lead or trigger mass wasting.

  • Weathering is the physical disintegration and chemical decomposition of rocks to form sediments and soils.
  • Erosion is the washing away of weathered materials.
  • Mass-wasting is the movement of materials down-slope under gravity.

  • Both weathering and erosion can lead to serious problems like mass-wasting because they are earth moving processes.
  • Weathering can lead to the formation of sinkholes in an area where rocks are decomposed chemically.
  • Erosion can wash away top fertile layer of soil and makes them bare. This can lead to drought.
  • Rock fall can be initiated when rocks physically disintegrate.
  • Chemical weathering can lead to rust and destruction of structures.
  • Undercutting of structures by erosion can lead to the collapse of bridges.

learn more:

Erosion brainly.com/question/2473244

#learnwithBrainly

3 0
3 years ago
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