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torisob [31]
2 years ago
13

PLZ HEL I WILL GIVE BRAINLIEST

Chemistry
2 answers:
NemiM [27]2 years ago
8 0

Answer: A material that readily transmits energy is a conductor, while one  that resists energy transfer is called an insulator .

i hope this will help u

pls add me as brainliest

jarptica [38.1K]2 years ago
7 0

Answer:

hope this helps

Explanation:

A conductor is a substance that quickly transmits energy, whereas an insulator is a material that resists energy transfer. Because there are numerous sorts of energy, there are different types of conductors and insulators. Electrical conductors are materials that conduct electrons, protons, or ions. Electrons in electrical conductors are usually loosely bonded. Thermal conductors are materials that conduct heat. Acoustic conductors are substances that transfer sound. Each type of conductor has a corresponding insulator.

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Why is it hotter in the summer and colder in the winter?
chubhunter [2.5K]

Answer: During the summer, the sun's rays hit the Earth at a steep angle. ... Also, the long daylight hours allow the Earth plenty of time to reach warm temperatures. During the winter, the sun's rays hit the Earth at a shallow angle. These rays are more spread out, which minimizes the amount of energy that hits any given spot.

8 0
2 years ago
Read 2 more answers
What is the (a) frequency and (b) wavelength (in nm) of a source of purple light at the edge of the visible light spectrum?
stiv31 [10]

Answer: a) Frequency=666\times10^{12}Hz-789\times10^{12}Hz

b) Wavelength=380nm-450nm

Explanation: Visible light is a form of electromagnetic wave.

Wavelength is defined as the distance between two successive crests of a wave. It is represented as symbol \lambda.

Frequency is defined as the number of complete cycles happening per second. It is represented by the symbol \nu.

Wavelength and Frequency follow inverse relation,

                                              \nu=\frac{c}{\lambda}

where, c = speed of light = 3\times10^8m/s

Wavelength and frequency of a wave is usually expressed in a range.

a)  \text{Frequency of visible light}=666\times10^{12}Hz-789\times10^{12}Hz

b) \text{Wavelength of visible light}=380nm-450nm


7 0
3 years ago
8. Write a balanced chemical equation showing how you could prepare each of the following salts from an
polet [3.4K]

Answer:

according to my reading

use own words

Explanation:

Salts are combinations of acids and bases. The cation comes from a base and the anion from an acid. Therefore, to make KNO3 we react KOH and HNO3. See how that is done? We write K and add OH to make KOH. We take NO3 and add H to make HNO3.

6 0
2 years ago
PH + pOH = 14. What is the hydroxide concentration of a solution with pH of 8?
sladkih [1.3K]
PH + pOH = 14
pOH=14-8=4
(OH-)=10^-4
4 0
3 years ago
WHAT IS THE UNKNOWN METAL?
gavmur [86]

Answer:

The Unknown V was shiny and gray, but it was a lightweight metal. THE UNKNOWN METALS5V was aluminum, which has a density of 2.75 g/ml(Smith, 2019).

Explanation:

pls mark me as brainleast and folow me

6 0
3 years ago
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