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Misha Larkins [42]
3 years ago
6

I’m making a transition from stare n=1 to state n=2 the hydrogen atom must

Chemistry
1 answer:
MatroZZZ [7]3 years ago
6 0

Answer:

Water, 35 liters. Carbon, 20 kilograms. Ammonia, 4 liters. Lime, 1.5 kilograms. Phosphorous, 800 grams. Salt, 250 grams. Saltpeter, 100 grams. Sulfur, 80 grams. Fluorine, seven-point-five. Iron, five. Silicon, three grams. And trace

amounts of 15 other elements.

the ingredients of the average adult,right down to the last specks of protein in your eyelashes. And even though science has given us the entire physical breakdown, there's never been a successful attempt at bringing a human to life. There's still something missing. Something scientists haven't been able to find in centuries of research. ...and in case you're wondering, all those ingredients can be bought on a child's allowance. humans can be made rather cheap. There's no magic to it.

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List three evidences of physical and chemical change. ( If you know only one or two please write them anyways please)
LenaWriter [7]
Physical: ripping paper, braking a stick, cake batter mixing

Chemical: burning paper, spoiled milk, a penny turning green
3 0
4 years ago
A compound has the following percentages by mass: barium, 58.8%; sulfur, 13.74%; oxygen, 27.43%. Determine the empirical formula
lys-0071 [83]

Answer:

BaSO₄

Explanation:

Let's assume we have 100 g of the compound. If that's the case we would have:

  • 58.8 g of Ba
  • 13.74 g of S
  • 27.43 g of O

Now we <u>convert the masses of each element into moles</u>, using their <em>respective molar masses</em>:

  • 58.8 g Ba ÷ 137.327 g/mol = 0.428 mol Ba
  • 13.74 g S ÷ 32 g/mol = 0.429 mol S
  • 27.43 g O ÷ 16 g/mol = 1.71 mol O

We <u>divide those moles by the lowest number among them</u>:

  • 0.428 mol Ba / 0.428 = 1
  • 0.429 mol S / 0.428 ≈ 1
  • 1.71 mol O / 0.428 = 4

We can express those results as Ba₁S₁O₄, meaning the empirical formula is thus BaSO₄.

5 0
3 years ago
2. Which balanced equation represents an oxidation-reduction reaction?
uranmaximum [27]

Answer:

C) Fe(s) + S(s) →FeS(s)

Explanation:

3 0
4 years ago
Which compound could serve as a reactant in a neutralization reaction ?
Veseljchak [2.6K]
 The   compound that  could serve  as  a reactant   in the neutralization reaction is    H2SO4
     
  Explanation
   Neutralization reaction occur  between an acids  and a base. H2SO4             (  sulfuric acid)  is  a strong  acid.  It can be neutralized by  strong base such as NaOH ( sodium  hydroxide)

  Example of neutralization reaction is

2NaOH + H2SO4 → Na2SO4  + 2H2O
7 0
3 years ago
What is the most accurate description of c6h12o6?
storchak [24]
A chemestretic equation equation which is formed by h20 mc square hydrogen peroxide and the equation of cf6c7bu7c





Hope it helped
8 0
3 years ago
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