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Harlamova29_29 [7]
4 years ago
15

Science!! Can someone help???

Chemistry
1 answer:
juin [17]4 years ago
3 0
Though all the options aren't visible i think she tried to find out the force friction at different surfaces.
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How many liters of methane gas (CH4) need to be combusted to produce 12.4 liters of water vapor, if all measurements are taken a
Ivan
The balanced chemical reaction is written as:

<span>CH4 (g) + 2 O2 (g) ----> CO2 (g) + 2 H2O (g)
</span>
We are given the amount of water to be produced from the reaction. This amount will be used for the calculations. Calculations are as follows:

12.4 L H2O ( 1 mol / 22.4 L ) ( 1 mol CH4 / 2 mol H2O ) ( 22.4 L / 1 mol ) = 6.2 L CH4
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3 years ago
What is used for hair that has been damaged by strong alkaline shampoos, chemicals or heat styling?
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Electrostatic interactions allow the conditioner's components, particularly positively charged quaternary ammonium species like behentrimonium chloride or polymers referred to as Polyquaternium-XX, where XX is a random number, to adhere to the hair. Once linked, these substances have a variety of outcomes. Their extensive hydrocarbon backbone contributes to lubricating each hair follicle's surface, which lessens friction and makes combing easier.

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4 0
2 years ago
Why does platinum metal make a good catalytic surface for reactant molecules?
d1i1m1o1n [39]

Answer:

it holds reactant molecules in a good position for then to react

3 0
3 years ago
What is a characteristic of every combination reaction?
Scilla [17]
A combination reaction<span> is a </span>reaction<span> in which two reactants combine to form one product. It is also called a synthesis reaction. A characteristic to this type of reaction would be that there would always be only one product. Hope this answers the question. Have a nice day. </span>
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3 years ago
The chemical formula for carbonic acid is (H2CO3). How many compounds are represented by this formula?
Nadya [2.5K]

Answer:

A

Explanation:

4 0
2 years ago
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