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evablogger [386]
2 years ago
15

Which molecule has a high specific heat? a) C2H6 b) C2H6O c) H2O

Chemistry
1 answer:
dem82 [27]2 years ago
4 0
H2O is the correct answer :)
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NASA communicates with the Space Shuttle and International Space Station using Ku-band microwave radio. Suppose NASA transmits a
Margarita [4]

Answer:

λ = 0.0167 m = 16.7 mm

Explanation:

The wavelength of these radio waves can be found out by using the formula for the speed of radio waves:

v = fλ

where,

v = speed of radio waves = speed of light = 3 x 10⁸ m/s

f = frequency of radio waves = 18 GHz = 18 x 10⁹ Hz

λ = Wavelength = ?

Therefore,

3 x 10⁸ m/s = (18 x 10⁹ Hz)λ

λ = (3 x 10⁸ m/s)/(18 x 10⁹ Hz)

<u>λ = 0.0167 m = 16.7 mm</u>

4 0
2 years ago
What physical property of matter determines the earth ?
nikdorinn [45]

Answer:

Density is a physical property that is determined by dividing the mass of a given amount of a substance by its volume.

Explanation:

4 0
3 years ago
The effect of a catalyst on an equilibrium is to ________. Select one: a. increase the rate of the forward reaction only b. slow
Georgia [21]

Answer:

E

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A. Is wrong.

A catalyst can increase the rate of the forward and backward reaction

B. Is wrong

A catalyst does not slow the reverse reaction only. This particular case is the case of a negative catalyst

C is wrong

A catalyst has no effect on the equilibrium nor the equilibrium constant

D is wrong

Catalyst has no effect on equilibrium value

E is correct

Although Catalysts has no effect on equilibrium or its constant value, it can increase the the rate at which equilibrium is achieved by speeding up the reaction through bringing down the activation energy

5 0
3 years ago
Compare the electron-dot formulas of CH4 and H2O. Why do these molecules have approximately the same bond angles but different m
AVprozaik [17]
Because of the difference in the # of mollecules

4 0
3 years ago
Read 2 more answers
1 When a chemical reaction occurs A. the substances involved do not mix together and maintain their original properties. B. the
nlexa [21]

Answer:

D

Explanation:

The proberties of the substances that are produced are different from the properties of the original substances.

6 0
2 years ago
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