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masha68 [24]
4 years ago
15

When one carbon atom combines with 2 oxygen atoms the resulting substance is called what

Chemistry
1 answer:
Aloiza [94]4 years ago
8 0
CO2 contains one atom of carbon and two atoms of oxygen.
The molecule is called Carbon dioxide, indicating that it is covalent and that there are two oxygen present. 
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3. A tea kettle holds about<br> of water.<br> 2 mL<br> 200 mL<br> 2L<br> 200 L
cluponka [151]
A tea kettle holds on average about 1.7-2 Liters of water. So the answer should be 2 Liters
3 0
4 years ago
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One mole of copper has a mass of 63.5 grams. Approximately how many atoms of copper are present in one mole of copper?
quester [9]

Answer: 6*10^23 atoms

7 0
3 years ago
Gaseous ethane CH3CH3 will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O. Suppose 0.6
yulyashka [42]

Answer:

1.8 g

Explanation:

Step 1: Write the balanced equation

CH₃CH₃(g) + 3.5 O₂(g) ⇒ 2 CO₂(g) + 3 H₂O(g)

Step 2: Determine the limiting reactant

The theoretical mass ratio of CH₃CH₃ to O₂ is 30.06:112.0 = 0.2684:1.

The experimental mass ratio of CH₃CH₃ to O₂ is 0.60:3.52 = 0.17:1.

Thus, the limiting reactant is CH₃CH₃

Step 3: Calculate the mass of CO₂ produced

The theoretical mass ratio of CH₃CH₃ to O₂ is 30.06:88.02.

0.60 g CH₃CH₃ × 88.02 g CO₂/30.06 g CH₃CH₃ = 1.8 g

4 0
3 years ago
PLEASE HELP ASAP!!!
kogti [31]
1 CH4 (g) + 2 O2 (g) -----> CO2 (g) + 2H2O(l) ΔH= - 890 kJ
1 mol           2 mol
1)  If ΔH has minus, it means "release". We need only "release" choices.<span>
2) From reaction
1 mol </span>CH4 (g)  "releases"  ΔH= - 890 kJ  - We do not have this choice.

2 mol  O2 (g)   "release" ΔH= - 890 kJ, so
1 mol  O2 (g)   "release" ΔH= - 445 kJ
Correct answer is B.
3 0
3 years ago
Read 2 more answers
How many molecules are in 165 g of carbon dioxide?
Svet_ta [14]
М(СО₂)=165 г

н(СО₂)=м(углекислого газа)/М(СО₂)

Н=Nₐ*м(углекислого газа)/М(СО₂)

Н=6.022*1023 * 165/44.01=2.258*10²⁴
6 0
3 years ago
Read 2 more answers
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