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german
3 years ago
10

In a fusion reaction, a major problem related to causing the nuclei to fuse into a single nucleus is the

Chemistry
1 answer:
pshichka [43]3 years ago
4 0

Explanation:

A fusion reaction is a reaction in which two or more small nuclei combine together to form a larger nuclei.

As it is known that a nucleus contains protons and neutrons. So when nuclei of two atoms combine together then there will be repulsion between the protons due to the presence of like charges. As neutrons have no charge so there will be no attraction or repulsion between neutrons of two nuclei.

Thus, we can conclude that in a fusion reaction, a major problem related to causing the nuclei to fuse into a single nucleus is the repulsion of nuclei.

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How do the strength and the cohesion of clay-rich regolith or soil change with the addition of water?
lisov135 [29]

Answer:

Water lowers the strength and cohesion of clay-rich regolith or soil.

Explanation:

Water can seep into the soil or clay-rich regolith and replace the air in the pore space of the soil or regolith. Water will completely surrounds all the grains of the clay-rich regolith and breaks the bonds in between the grains, that is eliminating all grain to grain contact of the regolith. When the regolith becomes saturated with water, the angle of repose is reduced to very small values and the regolith tends to loose its form.

6 0
4 years ago
Since the early 1990s, geneticists have produced ____________ crops that yield fruits and vegetables commonly found in U.S. supe
Setler [38]
<span>Since the early 1990s, geneticists have produced "genetically modified" crops that yield fruits and vegetables commonly found in U.S. supermarkets. Genetically modified plants (and also applicable to animals) in agriculture are those plants whose DNA are being modified using genetic engineering techniques.</span>
6 0
3 years ago
Read 2 more answers
How much energy is needed to raise the temperature of 850g of aluminum from 22.8 °C to 194.66 if the specific heat of aluminum
ch4aika [34]

Answer: I think it is 94.6 degrees Celsius

Explanation:

3 0
3 years ago
Determine the number of moles in 258.45 grams of iron (III) chloride (FeCl3). Show and explain all
QveST [7]

Answer:

\boxed {\boxed {\sf 1.5935 \ mol \ FeCl_}}

Explanation:

To convert from grams to moles, we must use the molar mass. This can be found on the Periodic Table. First, find the molar mass of iron and chlorine.

  • Fe: 55.84 g/mol
  • Cl: 35.45 g/mol

Check the formula. There is a subscript of 3 after Cl, so there are 3 atoms of chlorine in 1 molecule. Multiply iron's molar mass by 3, then add iron's molar mass.

  • FeCl₃: 55.84 + 3(35.45) = 55.84+106.35=162.19 g/mol

Use this number as a ratio.

\frac {162.19 \ g\ FeCl_3}{1 \ mol \ FeCl_3}

Multiply by the given number of grams.

258.45 \ g \ FeCl_3 *\frac {162.19 \ g\ FeCl_3}{1 \ mol \ FeCl_3}

Flip the ratio so the grams of iron (III) chloride cancel.

258.45 \ g \ FeCl_3 *\frac {1  \ mol \ FeCl_3}{162.19 \ g\ FeCl_3}

258.45  *\frac {1  \ mol \ FeCl_3}{162.19}

\frac {258.45  \ mol \ FeCl_3}{162.19}

1.59350144892 \ mol \ FeCl_3

The original measurement of grams has 5 significant figures, so our answer must have the same. For the number we calculated, that is the ten thousandth place.

1.5935 \ mol \ FeCl_3

258.45 grams is approximately 1.5935 moles of iron (III) chloride.

3 0
3 years ago
complete and balance the molecular equation for the reaction of aqueous copper(II) chloride, CuCl2,CuCl2, and aqueous potassium
oee [108]

Answer : The net ionic equation will be,

3Cu^{2+}(aq)+2PO_4^{3-}(aq)\rightarrow Cu_3(PO_4)_2(s)

Explanation :

First we have to balance the chemical reaction.

The given balanced ionic equation will be,

3CuCl_2(aq)+2K_3PO_4(aq)\rightarrow Cu_3(PO_4)_2(s)+6KCl(aq)

In the net ionic equations, we are not include the spectator ions in the equations.

Spectator ions : The ions present on reactant and product side which do not participate in a reactions. The same ions present on both the sides.

The ionic equation in separated aqueous solution will be,

3Cu^{2+}(aq)+6Cl^-(aq)+6K^+(aq)+2PO_4^{3-}(aq)\rightarrow Cu_3(PO_4)_2(s)+6K^+(aq)+6Cl^-(aq)

In this equation, K^+\text{ and }Cl^- are the spectator ions.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

3Cu^{2+}(aq)+2PO_4^{3-}(aq)\rightarrow Cu_3(PO_4)_2(s)

4 0
3 years ago
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