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nataly862011 [7]
3 years ago
13

What happens when hydrogen gas is passed over hot ferric oxide​

Chemistry
2 answers:
Roman55 [17]3 years ago
7 0

Answer:

When hydrogen is passed over hot ferric oxide (FeO) hydrogen reacts with oxygen present in the compound and forms water (H2O) and pure Iron

Explanation:

sashaice [31]3 years ago
3 0

Answer:When hydrogen gas is passed over hot copper oxide, the black coating on the surface turns brown as the reverse reaction takes place and copper is obtained.

Explanation:

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Which process is occurring when rocks under Earth's surface become hot liquid magma?
zepelin [54]

Answer:

Explanation:

Cuando se encuentra en el interior de la tierra es nombrado concretamente magma y lava cuando es expulsada a la superficie. ... comienza a fundirse y el final de fusión (punto líquido) la roca esta parcialmente fundida. ... por su color oscuro, son más calientes que los magmas ácidos o félsicos (claros)

8 0
3 years ago
If your car gets 30.3 mi/gal, how many gallons of gasoline would you use if you drove 506.3 miles? 1 mile = 5280 ft (exactly) In
Salsk061 [2.6K]

Answer: 16.7 gallon

Explanation:

Given: The car can drive 30.3 miles when 1 gallon of gasoline is used.

Distance covered = 506.3 miles

Thus for 30.3 miles, the amount of gasoline used= 1 gallon

For 506.3 miles, the amount of gasoline used=\frac{1}{30.3}\times 506.3=16.7gallon

Thus the amount of gasoline used is 16.7 gallons.


4 0
3 years ago
Read 2 more answers
Which of the following has the greatest mass?
Annette [7]

Answer:

I guess one mole. of mercury

Explanation:

because mercury is denser

8 0
3 years ago
Which statement best describes comparative and descriptive investigations?
scZoUnD [109]

Answer:

They both include a question,procedure and conclusion.

3 0
4 years ago
Read 2 more answers
what concentration in parts per million in a solution that contains .008 grams of o2 dissolved in 1000 grams of water
julia-pushkina [17]
Ppm = mass of solute mg / mass of solvent kg

0.008 * 1000 =  8.0 mg ( solute )

1000 / 1000 = 1.0 kg (solvent )

ppm = 8 / 1

= 8.0 ppm

hope this helps!
7 0
3 years ago
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