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Naily [24]
3 years ago
12

The reversible reaction, 4HCl(g) + Si (s) ⇌ SiCl4 (l) + 2H2 (g) , would be classified as a ______________ reaction.

Chemistry
1 answer:
just olya [345]3 years ago
3 0

Answer:

endothermic

Explanation:

endothermic reactions absorb heat from their surroundings, in this reaction the reactants are gas and solid and the products are liquid and gas, implying heat was absorbed to turn a solid to a liquid.

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How would you know if this combination is likely to be found in some dirt?
Mkey [24]

Answer:

  very unlikely to be found in dirt

Explanation:

That combination has a ratio of ¹⁴N to ¹⁵N of 10:4 = 2.5: 1. The most ¹⁵N enriched natural material has a ratio of ¹⁴N to ¹⁵N on the order of 250 : 1 or higher. The combination shown is very unlikely to be found in dirt.

6 0
3 years ago
How do I find the reactants for the combustion reaction?
Komok [63]

super easy to just google that:)

7 0
3 years ago
What is the empirical formula of a carbon-oxygen compound, given that a 95.2 g sample of the compound contains 40.8 g of carbon
algol [13]

Answer:

95.2 - 40.8 = 54.4 g of oxygen

number of moles = mass (g)/ Mr

no. of moles of carbon = 40.8/12 = 3.4

no. of moles of oxygen = 3.4

divide both by smallest value which is 3.4 and you’ll get 1 mole of carbon and 1 mole of oxygen therefore the empirical formula is CO

Explanation:

hope this helps :)

4 0
3 years ago
Which of the following do you think use plasma?
KATRIN_1 [288]

Answer:

Rocket engines

Explanation:

U know how I know it? Well I'm an astrophysicist and of course I watch star wars...

5 0
3 years ago
Read 2 more answers
Choose all the answers that apply.
IrinaVladis [17]

The answer is:

Sedimentary rock, metamorphic rock, and igneous rock.

<u>If you'd like to know why:</u>

Any type of rock can be a metamorphic rock. Metamorphic rocks are formed when a rock (any kind of rock) undergoes immense heat and pressure. If melting does not occur, it will become a metamorphic rock. If it melts, it becomes magma and from there, the magma, could eventually become an igneous rock and the rock cycle will start again.

5 0
3 years ago
Read 2 more answers
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