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eimsori [14]
3 years ago
10

When steam is passed through red hot coke, a mixture of two gases is formed. Explain with reaction​

Chemistry
1 answer:
Alenkasestr [34]3 years ago
3 0

Answer:

C(s) + H2O(g) → CO(g) + H2(g)

Explanation:

Carbon monoxide and hydrogen. Possibly some reaction products from impurities in the coke, but mostly CO and H2.

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Why are there more fossils of marine organism than of land organisms o dc
MatroZZZ [7]

Answer:

Three primary reasons. First, there is simply more water-covered places than dry ground places for the animals and plants to have lived. Second, the seas are much more crowded with the kinds of life that leave fossils than the land is. Third, the process that form fossils work very well under water.

Explanation:

4 0
3 years ago
How many moles of mercury are equivalent to 3.46 x 1023 atoms?
olga55 [171]

Answer:

3.02 X1023 atoms Ag limol. - - 0.50 1 moles. 6.02241023 atoms.

4 0
2 years ago
An ambulance took 2 hours to cover a distance of 10 kilometers. Find its speed.​
bekas [8.4K]

Answer:

5km/hour

Explanation:

2hours = 10km

/2              /2

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7 0
2 years ago
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an atom of chlorine has an amount number of 17 and a mass number of 37. how many protons neutrons, and electrons are in the atom
Soloha48 [4]

Answer: There are 20 protons neutrons in the atom

6 0
2 years ago
Write the balanced chemical equation between H2SO4H2SO4 and KOHKOH in aqueous solution. This is called a neutralization reaction
const2013 [10]

Answer:

0.185M sulfuric acid

Explanation:

Based on the reaction:

H₂SO₄ + 2KOH → K₂SO₄ + 2H₂O

<em>1 mole of sulfuric acid reacts with 2 moles of KOH</em>

Initial moles of H₂SO₄ and KOH are:

H₂SO₄: 0.750L ₓ (0.470mol / L) = <em>0.3525 moles of H₂SO₄</em>

KOH: 0.700L ₓ (0.240mol / L) = <em>0.168 moles of KOH</em>

The moles of sulfuric acis that react with KOH are:

0.168mol KOH ₓ (1 mole H₂SO₄ / 2 moles KOH) = 0.0840 moles of sulfuric acid.

Thus, moles that remain are:

0.3525moles - 0.0840 moles = <em>0.2685 moles of sulfuric acid remains</em>

As total volume is 0.700L + 0.750L = 1.450L, concentration is:

0.2685mol / 1.450L = <em>0.185M sulfuric acid</em>

8 0
2 years ago
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