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MariettaO [177]
2 years ago
6

Describe briefly a chemical test to identify a sample of each of the following gases in the laboratory. For each test include a

short description of the procedure (method) and the expected observations.
Hyrogen gas
Oxygen gas
Carbon dioxide gas​
Chemistry
1 answer:
Furkat [3]2 years ago
4 0

Answer:

Am I the bad guy for killing my fish, let me explain?

Explanation:

The fish said a bad word that was incredibly inappropriate, so then I told him to never say that again. He responds with, "No, I CAN SAY WHATEVER I WANT." After that I told him to not yell at me and then I killed him, remember he's a fish (GoldFISH).

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Which statement is true about a catalyst?
pentagon [3]

Answer:

The answer is D. It changes the final products of the reaction. .

Explanation:

  • <u>. Catalyst is a substance that increases the rate of a reaction without itself being consumed.</u>
7 0
2 years ago
Read 2 more answers
Which of the following statements about the brain is true? a. The skull could support as much as 3 tons of weight. b. The brain
Thepotemich [5.8K]

Answer:

a. The skull could support as much as 3 tons of weight.

Explanation:

The true statement about brain is  

a. The skull could support as much as 3 tons of weight.

The cranium(skull) bones are slot like a jigsaw puzzle together. All but one of these bones is fixed in place in adults. It makes the skull very solid. Babies have holes between the cranial (skull) bones so that as they are born, their heads may withstand being crushed.

rest all statements are wrong.

8 0
3 years ago
Ch4+o2 &gt; CO2+H2O<br>what's the balance
Mkey [24]

the balanced equation is:

CH4 +2O2  -> CO2+2H2O

8 0
3 years ago
Read 2 more answers
When copper metal is affed to silver nitrate in solution, silver metal and copper (II) nitrate are produced. Use the balanced eq
trapecia [35]
<h2>Answer:</h2>
  • Cu(s) + 2AgNO3(aq) → Cu(NO3)2(aq) + 2Ag(s).

<u>Moles Cu present</u> = 100g Cu x 1 mol Cu/63.55g

= 1.574moles Cu

<u>Mass of Ag produced</u> = 1.574mol Cu x 2mol Ag / 1mol Cu x 107.9g Ag/mol Ag

= 340.g Ag

6 0
3 years ago
Volume in liters of carbon dioxide produced at stp when 0.85 grams of butane reacts
MAVERICK [17]

Volume in liters of Carbon dioxide : 0.672

<h3>Further explanation</h3>

Reaction(combustion of butane-C₄H₁₀)

2C₄H₁₀+13O₂⇒8CO₂+10H₂O

mol butane (MW=58,12 g/mol) :

\tt \dfrac{0.85}{58,12}=0.015

mol CO₂ : mol C₄H₁₀ = 8 : 4, so mol CO₂ :

\tt \dfrac{8}{4}\times 0.015=0.03

At STP, 1 mol = 22.4 L, so volume CO₂ :

\tt 0.03\times 22.4~L=0.672~L

3 0
3 years ago
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