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ss7ja [257]
3 years ago
13

Iron(II) sulfate and calcium chloride

Chemistry
1 answer:
Kipish [7]3 years ago
7 0

Answer: FeSO_4+CaCl_2\rightarrow CaSO_4+FeCl_2

Explanation:

A double displacement reaction is one in which exchange of ions take place. The salts which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid form are represented by (s) after their chemical formulas.  

A double displacement reaction in which one of the product is formed as a solid is called as precipitation reaction.  

The balanced chemical equation is:

FeSO_4+CaCl_2\rightarrow CaSO_4+FeCl_2

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What season starts in the northern hemisphere as the suns direct rays strike the equator moving from the southern hemisphere to
laila [671]

Answer:

summer

Explanation:

3 0
4 years ago
Is is chemical or physical change? Sugar dissolving in tea
Butoxors [25]

Answer:

Chemical

Explanation:

Hope it helps!

6 0
3 years ago
g 304 mL of a 0.36 M potassium hydroxide solution is added to 341 mL of a 0.51 M lithium hydroxide solution. Calculate the pOH o
Liono4ka [1.6K]

Answer:

<u><em></em></u>

  • <u><em>pOH = 0.36</em></u>

Explanation:

Both <em>potassium hydroxide</em> and <em>lithium hydroxide </em>solutions are strong bases, so you assume 100% dissociation.

<u>1. Potassium hydroxide solution, KOH</u>

  • Volume, V = 304 mL = 0.304 liter
  • Molarity, M = 0.36 M
  • number of moles, n = M × V = 0.36M × 0.304 liter = 0.10944 mol
  • 1 mole of KOH produces 1 mol of OH⁻ ion, thus the number of moles of OH⁻ is 0.10944

<u>2. LIthium hydroxide, LiOH</u>

  • Volume, V = 341 mL = 0.341 liter
  • Molarity, M = 0.51 M
  • number of moles, n = M × V = 0.341 liter × 0.51 M = 0.17391 mol
  • 1mole of LiOH produces 1 mol of OH⁻ ion, thus the number of moles of OH⁻ is 0.17391

<u />

<u>3. Resulting solution</u>

  • Number of moles of OH⁻ ions = 0.10944 mol + 0.17391 mol = 0.28335 mol

  • Volume of solution = 0.304 liter + 0.341 liter = 0.645 liter

  • Molar concentration = 0.28335 mol / 0.645 liter = 0.4393 M

<u />

<u>4. </u><em><u>pOH</u></em>

      pOH=-\log [OH^-]=-\log (0.439)=0.36   ← answer

5 0
3 years ago
HELP PLZ
Vaselesa [24]

Answer:

Scientific Explanation of weather change and cause storms is described below in detail.

Explanation:

The weather is just the nature of the environment at any time, including items such as warmth, rainfall, air pressure, and cloud shelter. Daily variations in the weather are due to storms and winds. Seasonal variations are due to the Earth spinning nearby the sun. Warm beginnings often produce stormy weather as the heated air mass at the exterior rises above the cool air mass, creating clouds and storms.

4 0
3 years ago
Tom pushes on a 50-kilogram box with a force of 25 newtons. Assuming the surface on which the box moves is frictionless, at what
zhannawk [14.2K]

Assuming the surface on which the box moves is frictionless, the rate at which the box accelerate is equal to 0.5 m/s^2.

<u>Given the following data:</u>

  • Mass of box = 50 kilogram
  • Force = 25 newtons.

To determine the rate at which the box accelerate, assuming the surface on which the box moves is frictionless:

Mathematically, Newton's Second Law of Motion is given by the formula;

Force = mass \times acceleration

Making acceleration the subject of formula, we have:

Acceleration =\frac{Force}{mass}

Substituting the given parameters into the formula, we have;

Acceleration = \frac{25}{50}

Acceleration = 0.5 m/s^2

Read more on Newton's Law of Motion here: brainly.com/question/1121817

3 0
3 years ago
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