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34kurt
3 years ago
10

If the male monster has a genotype of HH, will he have horns? yes or no

Chemistry
2 answers:
zepelin [54]3 years ago
6 0

Answer:

Yes he will have horns.

Troyanec [42]3 years ago
5 0

yes

Explanation:

Because it is a recessive allele

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Iron(II) chloride and sodium carbonate react to make iron(II) carbonate and sodium chloride: FeCl2(aq) + Na2CO3(s) → FeCO3(s) +
lesya692 [45]

Answer:

              287.30 g of FeCO₃

Solution:

The Balance Chemical Equation is as follow,

                            FeCl₂ + Na₂CO₃    →    FeCO₃ + 2 NaCl

Step 1: Calculate Mass of FeCl₂ as,

                             Molarity  =  Moles ÷ Volume

Solving for Moles,

                             Moles  =  Molarity × Volume

Putting Values,

                             Moles  =  2 mol.L⁻¹ × 1.24 L

                            Moles  =  2.48 mol

Also,

                             Moles  =  Mass ÷ M.Mass

Solving for Mass,

                             Mass  =  Moles × M.Mass

Putting Values,

                             Mass  =  2.48 mol × 126.75 g.mol⁻¹

                             Mass =  314.34 g of FeCl₂

Step 2: Calculate Mass of FeCO₃ formed as,

According to equation,

           126.75 g (1 mole) FeCl₂ produces  =  115.85 g (1 mole) FeCO₃

So,

                314.34 g of FeCl₂ will produce  =  X g of FeCO₃

Solving for X,

                      X =  (314.34 g × 115.85 g) ÷ 126.75 g

                      X =  287.30 g of FeCO₃

8 0
3 years ago
Read 2 more answers
What is it when a cup of ice turns to water
timurjin [86]
I don't really know what your question is asking so I am just going to list a few facts that I think might be what you are asking.

Ice turning into water is a physical change.  The ice is undergoing the process of melting which does not change it chemically (ice and water are chemically identical in the sense that they are both composed of H₂O molecules) and the only difference between water and ice is that water molecules have a higher average amount of energy than the ice molecules do.  When a substance melts, the molecules within the substance gain energy (in the form of heat) which allows them to break the intermolecular forces keeping them together.  Since the melting of ice requires energy, the process is endothermic which means that the ice had to get energy from its surroundings and that water has more energy than ice does as a result of the process (ΔH is positive).

I hope that helps.  Let me know in the comments if anything is unclear or if I did not answer your question.
5 0
3 years ago
Read 2 more answers
Using the model what is the mass of the aluminum atom
Alexus [3.1K]
The mass would be 26.98 which is 27
6 0
3 years ago
Which of the following trends is indirectly proportional to effective nuclear charge, Zeff
Julli [10]

Answer : Option C) Atomic Size

Explanation : The atomic radius of the elements is found to be decreasing if we go from left to right in the modern periodic table. Accordingly, Z_{eff} increases as the number of shielding electrons present in the atomic nucleus of the periodic elements which lies in the same row remains constant while the number of protons in each atomic shell increases.

The effective nuclear charge Z_{eff} of an atom is defined as the net positive charge which is felt by the valence electron of the atomic element.

When Z_{eff} is observed to decrease, it is seen that the atomic radius grows in size. So, it explains the inverse relationship between both. This phenomenon occurs, because there is more screening of the electrons from the nucleus taking place, which is observed due to decrease the attraction between the electron and the nucleus.

7 0
3 years ago
Read 2 more answers
The average propane cylinder for a residential grill holds approximately 18 kg of propane. how much energy (in kj) is released b
Angelina_Jolie [31]
Let's begin with the basic values  that will be used in the solution.

The formula of propane is C3H8. It is an alkane, a hydrocarbon with the general formula of CnH2n+2. Notice that hydrocarbons have only Carbon and Hydrogen atoms. Its molar mass (M) is 44 g.

Molar Mass Calculation is done as like that
C=12 g/mol, H=1 g/mol. 1 mole propane has 3 moles Carbon atoms and 8 mole Hydrogen atoms. M(
C3H8)= 3*12+ 8*1= 44 g

Combustion reaction of hydrocarbons gives carbon dioxide and water by releasing energy. That energy is called as enthalpy of combustion (
ΔHc°).  

ΔHc° of propane equals -2202.0 kj/mol. Burning of 1 mole C3H8 releases 2202 kj energy. Minus sign only indicates that the energy is given out ( an exothermic reaction ).

Let's write the combustion reaction.
C3H8 + O2 ---> CO2 + H20 (unbalanced) 
ΔHc° = -2202 kj/mol

Now, we calculate mole of 20 kg propane. Convert kilogram into gram since we use molar mass is defined in grams.
mole=mass/molar mass ; n=m/M ; n= 20000 g /44 (g/mol)=454 mole

1 mole propane releases 2202 kj energy.
454 mole propane release 2202 kj *454= 1000909 kj

The answer is 1000909 kj.



6 0
3 years ago
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