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AlexFokin [52]
4 years ago
11

In the combustion of ethane, what is/are the reactant(s)?

Chemistry
2 answers:
Paraphin [41]4 years ago
8 0
Organic matter usually produce Carbon Dioxide and Water as its products. 
Answer is A for products.
Reactants will be ethane and oxygen
Ethane has 2 carbons. so B is the answer.
aleksley [76]4 years ago
5 0
Reactant are those that combine or reacts to give products !!

so in combustion of ethane ; ethane and o2 are reactants so ... your answer is B !!
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Order the terms according to the path followed by oxygen during cellular respiration.​
MArishka [77]

Answer:

Outside air

Nose

Lungs

Bloodstream

Cell

Explanation:

We breathe in oxygen from the outside air in through our nose and it travels to our lungs. Inside our lungs, we have Avioli's that diffuse oxygen into our bloodstream and the bloodstream helps the oxygen travel into our cells.

Hope this helps :)

8 0
3 years ago
Grams. Number only, rounded to the<br> One mole of silver weighs<br> hundredths place (.01) *Y
jek_recluse [69]

Answer:

107.87 grams

Explanation:

One mole of silver weighs 107.87 grams .

7 0
3 years ago
What is the percent by mass of water in Na S04.10H20?
dalvyx [7]

Answer:

                    Percent by mass of water is 56%

Explanation:

                    First of all calculate the mass of hydrated compound as,

Mass of Sodium = Na × 2 = 22.99 × 1 = 45.98 g

Mass of Sulfur = S × 1 = 32.06 × 1 = 32.06 g

Mass of Oxygen = O × 14 = 16 × 14 = 224 g

Mass of Hydrogen = H × 20 = 1.01 × 20 = 20.2 g

Mass of Na₂S0₄.10H₂O = 322.24 g

Secondly, calculate mass of water present in hydrated compound. For this one should look for the coefficient present before H₂O in molecular formula of hydrated compound. In this case the coefficient is 10, so the mass of water is...

Mass of water = 10 × 18.02

Mass of water = 180.2 g

Now, we will apply following formula to find percent of water in hydrated compound,

           %H₂O  =  Mass of H₂O / Mass of Hydrated Compound × 100

Putting values,

                                      %H₂O  = 180.2 g / 322.24 g × 100

                                           %H₂O =  55.92 % ≈ 56%

3 0
3 years ago
What is always conserved in both physical and chemical changes, explain?
bonufazy [111]
All chemical reactions are chemical changes. The Law of Conservation of Matter states that matter cannot be created or destroyed. In a physical change, substances can change form, but the total mass remains the same. In a chemical change, the total mass of the reactants always equals the total mass of the products.
3 0
3 years ago
How can you make a saturated solution from a supersaturated solution?
Lerok [7]

Answer:

warming up the solution.

Explanation:

  • A saturated solution is a chemical solution containing the maximum concentration of a solute dissolved in the solvent. ​The additional solute will not dissolve in a saturated solution.

  • Supersaturated solution is a solution that contains more of the dissolved material than could be dissolved by the solvent under normal circumstances.

  • A saturated solution can become supersaturated when it is cooled.

  • Also, we can form a saturated solution from a supersaturated solution via warming up the solution:

<em>The solubility of solid solutes in liquid solvents increases as the solvent is warmed up.</em>

7 0
3 years ago
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