The combustion of a sample butane, C4H10 (lighter fluid) produced 2.46 grams of water. how much oxygen was used up in grams
Answers
The balanced combustion reaction for butane is;
2C4H10 + 13O2 → 8CO2 + 10H2O
Molar mass of water = 18.02 g/mol
Molar mass of oxygen = 32 g/mol
2.46g H2O(1 mol H2O/18.02g)(13 mol O2/10 mol H2O)(32g O2/1 mol O2) = 5.68g O2
Related Questions
I need help with energy
What tendency is the standard reduction potential of an element based on?
How many electrons in an atom can have the n = 5, l = 2 designation?
Draw .. the structural formula ( using c and h ) for 2- pentyne
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Answer:
Atoms of the same element are identical.
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Here's another way of thinking about it.
Okay, so, we have:
Reactants ⇒ Products
The reactants form into products, but stay the same.
What does this mean?
This means that the mass is conserved. When mass is conserved, the energy is also conserved.
In other words, nothing has changed.
Now, lets relate that to balancing equations.
When you try to balance an equation, what is your goal? ⇒ To get the reactants to equal the products..? Right?
Ah, yes!
Now we have the exact meaning→→→→
The law of conservation of mass states that mass is always conserved in a chemical reaction.
Hope I helped! Please feel free to comment with questions! :)
greater molecular size of water
2.
stronger hydrogen bonding in water
3.
higher molarity of water
4.
larger gram-formula mass of water
Answers
has higher boiling point than
, as there has been stronger hydrogen bonding in
. Thus, option 2 is correct.
The boiling point has been the temperature at which the liquid has been converted to the gaseous form. The boiling point has been based on the intemolecular attractions between the atoms.
Higher boiling point
Based on the intermolecular interactions, the compound with higher intermolecular force required more energy to break the bond and change the state, and thus have high boiling point.
The hydrogen sulfide and water has hydrogen bonding. The hydrogen bonding has been based on the electronegativity of the atom involved. The more electronegative atom, stronger will be hydrogen bonding and thereby higher boiling point.
In and
, the oxygen has been more electronegative than sulfur and thus results in stronger hydrogen bonding.
Thus, has higher boiling point than
, as there has been stronger hydrogen bonding in
. Thus, option 2 is correct.
Learn more about boiling point here:
Answer:
2, stronger hydrogen bonding
Explanation:
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According to Gay -Lussac's law, the pressure of the can if it is heated to 1270°C is 4295.53 mm Hg.
What is the Gay-Lussac's law?
It is defined as a gas law which states that the pressure which is exerted by the gas directly varies with its temperature and at a constant volume.The law was proposed by Joseph Gay-Lussac in the year 1808.
The pressure of the gas at constant volume reduces constantly as it is cooled till it undergoes condensation .If a graph of pressure versus temperature is plotted it is a straight line which passes through the origin .
The equation is given as, P₁/T₁=P₂/T₂
On substitution of values as ,P₁=760 mm Hg,T₁=273 K,T₂=1543 K
P₂=1543×760/273=4295.53 mm Hg.
Thus, the pressure of gas is 4295.53 mm Hg if it is heated up to 1270°C.
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760/303=P2/1428
P2= 760*1428/303
P2=3,582mmHg
Answers
Hope this helps :)
Final answer:
Minerals can be described using 7 key characteristics: color, streak, luster, crystal form, hardness, cleavage, and density. These characteristics provide detailed information about a mineral's geological properties.
Explanation:
The characteristics used to describe minerals are generally located in the detail of their geological properties. These characteristics include:
- Color: The appearance of the mineral in natural light.
- Streak: The color of the mineral in powdered form.
- Luster: The way a mineral reflects light, either metallic or non-metallic.
- Crystal Form: The external shape of the mineral crystal.
- Hardness: A measure of the mineral's resistance to being scratched.
- Cleavage: The manner in which the mineral breaks along regular planes.
- Density: The mass per unit volume of the mineral, measured by specific gravity.
Learn more about Mineral Characteristics:
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Answers
Answer:
boyles law
Explanation: