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Volgvan
3 years ago
11

_______ waves occur when the motion of the medium is parallel to the direction of the wave.

Chemistry
1 answer:
Vika [28.1K]3 years ago
5 0
Longitudinal. (just remember that Transverse waves are perpendicular. T is like an inverted perpendicular sign)
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How is the Crystal lattice of an ionic compound different from the Crystal formation of a metallic compound
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Answer:

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2 years ago
Which is the molar mass of H2O?
Svetllana [295]
H=(2x1.008)=2.016
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15.999
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3 0
3 years ago
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Gaseous methane CH4 reacts with gaseous oxygen gas O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O. What is the t
Murrr4er [49]

Answer:

50.8 g

Explanation:

Equation of reaction.

CH_4 + 2O_2 \to CO_2 + 2H_2O

From the given information, the number of moles of methane = mass/ molar mass

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number of moles of oxygen gas = 90.3 g / 32 g/ mol

= 2.82 mol

Since 1 mol of methane requires 2 moles of oxygen

Then 0.960 mol of methane will require = 0.960 mol × 2 = 1.92 mol of oxygen gas

Thus, methane serves as a limiting reagent.

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8 0
3 years ago
Determine the enthalpy change when 23.5 g of carbon is reacted with oxygen according to the reaction C(s) + O2(g) CO2(g) delta H
xeze [42]
We are provided with the amount of energy released when one mole of carbon reacts. We mus first convert the given mass of carbon to moles and then compute the energy released for the given amount.

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One mole releases 394 kJ/mol
1.96 moles will release:
394*1.96
= 772.24

The enthalpy change of the reaction will be -772.24 kJ
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Frictional Force is the one and only.

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3 years ago
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