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erastova [34]
3 years ago
8

On a separate sheet of paper, write the formulas for the missing components of these neutralization reactions.

Chemistry
2 answers:
Fofino [41]3 years ago
4 0
The  formula  of  the  missing  component  are  a   follows

HBr  +  KOH  ------>  KBr  +  H2O

H2SO4  +  2NH4OH--------> (NH4)2SO4  +  2H2O

2HNO3     +  Mg(OH)2  --------->  Mg(NO3)2  +  2  H2O
PolarNik [594]3 years ago
4 0
The  formula  of  the  missing  component  are  a   follows

HBr  +  KOH  ------>  KBr  +  H2O

H2SO4  +  2NH4OH--------> (NH4)2SO4  +  2H2O

2HNO3     +  Mg(OH)2  --------->  Mg(NO3)2  +  2  H2O
PLEASE RATE BRAINLIEST
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How many molecules of NH3 are produced from 4.72x10 negative 4 power g of H2?
Delvig [45]
<span>9.40x10^19 molecules.
   The balanced equation for ammonia is:
 N2 + 3H2 ==> 2NH3
   So for every 3 moles of hydrogen gas, 2 moles of ammonia is produced. So let's calculate the molar mass of hydrogen and ammonia, starting with the respective atomic weights:
 Atomic weight nitrogen = 14.0067
  Atomic weight hydrogen = 1.00794

   Molar mass H2 = 2 * 1.00794 = 2.01588 g/mol
 Molar mass NH3 = 14.0067 + 3 * 1.00794 = 17.03052 g/mol

   Moles H2 = 4.72 x 10^-4 g / 2.01588 g/mol = 2.34140921086573x10^-4 mol
   Moles NH3 = 2.34140921086573x10^-4 mol * (2/3) = 1.56094x10^-4 mol

Now to convert from moles to molecules, just multiply by Avogadro's number: 1.56094x10^-4 * 6.0221409x10^23 = 9.400197448261x10^19
   Rounding to 3 significant figures gives 9.40x10^19 molecules.</span>
7 0
3 years ago
How to differentiate between so3 and so4?​
makvit [3.9K]

Answer:

The difference between sulfate and sulfite is, Sulfate (SO4) has 1 atom of Sulphur and 4 atoms of Oxygen. sulfite (SO3) has 1 atom of sulfur and 3 atoms of Oxygen.

Explanation:

7 0
2 years ago
Which notation represents the largest atomic radius?<br><br> Cl<br><br> F<br><br> F−<br><br> Cl−
hichkok12 [17]

Answer:

Cl⁻

Explanation:

Definition of atomic radii

The atomic radius is the distance between center of two bonded atoms.

Trend along period:

As we move from left to right across the periodic table the number of valance electrons in an atom increase.The atomic size tend to decrease in same period of periodic table because the electrons are added with in the same shell. When the electron are added, at the same time protons are also added in the nucleus. The positive charge is going to increase and this charge is greater in effect than the charge of electrons. This effect lead to the greater nuclear attraction. The electrons are pull towards the nucleus and valance shell get closer to the nucleus. As a result of this greater nuclear attraction atomic radius decreases.

Trend along group:

In group by addition of electron atomic radii increase from top to bottom due to increase in atomic number and addition of extra shell.

In this way Cl⁻ will have the largest atomic radii because one extra electron is added and its atomic number is already greater than fluorine.

5 0
3 years ago
What is the probability that an offspring will have a<br> heterozygous genotype? |
Anastasy [175]

Answer:

25,50,25

Explanation:

5 0
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How many hours are in 25 days??
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explanation

each day has 24 hours and we want to know how much hours is equivalent to 25 days so we multiply 24 times 25 which is 600.
8 0
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