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My name is Ann [436]
2 years ago
10

If a wave is traveling at a steady speed and its frequency is

Chemistry
1 answer:
Nataly [62]2 years ago
4 0

Answer:

If the frequency is doubled, the wavelength is only half as long.

Explanation:

Wave speed equals frequency*wavelength. So doubling the frequency must halve the wavelength in order for wave speed to remain the same.

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Romashka [77]

All organisms need four types of organic molecules: nucleic acids, proteins, carbohydrates and lipids; life cannot exist if any of these molecules are missing.

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2 years ago
How many sig fig does 0.000925g have
Assoli18 [71]

Answer:

Sig fig 3 decimal 6

Explanation:

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3 years ago
What volume of chlorine gas at 27 °C, 812 mmHg, is required to react with an excess of carbon disulfide so that 5.00kJ of heat i
Kamila [148]

Answer:

The correct answer is 1.21 L.

Explanation:

Based on the given information, the reaction will be,

CS2 (l) + 3Cl2 (g) ⇒ CCl4 (l) + S2Cl2 (l)

By using the standard values of the substances, the standard enthalpy of the reaction is,

ΔH° = [(-139.5) + (-58.5) – 0 – (87.3)] kJ/mol

= -285.3 kJ/mol

The amount of heat evolved for 3 moles of chlorine reacted us 285.3 kJ.

Now the number of moles of chlorine needed to react to produce 5.00 kJ is,

= 5.00 kJ × 3 mol Cl2/285.3 kJ

= 0.0526 mol Cl2

Now the volume of chlorine gas at 27degree C and 812 mmHg will be,

Volume = 0.0526 mol Cl2 × 0.0821 Latm/mol K × 300 K/ 1.07 atm

= 1.21 L

4 0
2 years ago
PERIODIC TABLE LOVERS HELP ME WITH THIS AND ILL PUT U ON BRAINLIEST !
AysviL [449]

Answer:

an educated guess of f and i

Explanation:

8 0
3 years ago
What happens to a container of gas when the pressure is<br> increased?
fiasKO [112]

Answer:

The pressure increases on all surfaces of the container. It begins to heat up. And depending on the strength of the container, it may just break.

Explanation:

5 0
3 years ago
Read 2 more answers
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