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frozen [14]
3 years ago
9

What products are formed when a hydrocarbon combusts?

Chemistry
1 answer:
Svetradugi [14.3K]3 years ago
3 0

Answer:(a) hydrogen and oxygen

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What is the empirical formula for a molecule containing 46.8% Si and 53.2% O?
Over [174]
Assume there are 100 g of the substance.
Masses:
Si: 46.8 g
O: 53.2 g
Moles:
Si: 46.8 / 28 = 1.67
O: 53.2 / 16 = 3.32
Dividing by the smaller number:
Si: 1.6 7/ 1.67 = 1
O: 3.32 / 1.67 = 2
Thus, the formula:
SiO2
4 0
3 years ago
How many liters of hydrogen (at 0.97atm and 24c) will produce 180 grams of water
slava [35]

H₂ + ½O₂ → H₂O

2g → 18g

So, 18g water needs 2g H₂

So, 1g water needs 2/18g H₂

So, 180g water needs 2/18 x 180g H₂

→ 20 litres of H₂

6 0
2 years ago
Read 2 more answers
As energy from the Sun hits the ocean, that energy transforms the water in
nignag [31]

Answer:

F

Explanation:

i dont know how water vapor would hit the ocean and go underground? so i think its F

7 0
2 years ago
Which statements describe Rutherford’s model of the atom? Select three options.
AnnZ [28]

Answer:

Well, I cannot see the options but if I were you I would choose the one closest to this. Rutherford's model shows that an atom is mostly empty space, with electrons orbiting a fixed, positively charged nucleus in set, predictable paths.

Explanation:

Again I cannot see the options but here is what I would guess. Hope this helped and have a great day! :-)

6 0
2 years ago
Read 2 more answers
. Un cuerpo irregular se introduce dentro de una probeta que inicialmente tiene un volumen de 20 ml como muestra la figura Despu
MrMuchimi

Answer:

El volumen del cuerpo es el mismo al comienzo de la experiencia.

Explicación:

El volumen del cuerpo es el mismo al principio porque el volumen no cambia si la temperatura permanece igual. Si cambiamos la temperatura i. mi. Al aumentar la temperatura, las moléculas comienzan a expandirse y se produce un aumento de volumen mientras que cuando disminuimos la temperatura, las moléculas de esa sustancia comienzan a contraerse y el volumen de esa sustancia disminuye. Entonces concluimos que el volumen depende de la temperatura.

6 0
2 years ago
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