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1 year ago

Which heats up the fastest? treated glass, aluminum, stainless steel, or copper?

Chemistry

1 answer:

GrogVix [38]1 year ago

8 0

Answer:

stainless steel

Explanation:

stainless steel would heat up fast because it is made of metal

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What is one advantage of using a computer over a graphing calculator?

gayaneshka [121]

Among the given choices, the right statement is that computers are advantageous because it holds a larger amount of data over graphing calculators. Calculators are easier to transport and has lower power consumption. Answer here is D.

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2 years ago

Read 2 more answers

How does changing the volume or temperature of a gas affect the pressure of that gas?

Masja [62]

Answer:

When a gas occupies a smaller volume, it exerts a higher pressure; when it occupies a larger volume, it exerts a lower pressure (assuming the amount of gas and the temperature do not change). Since P and V are inversely proportional, a graph of 1/P vs. V is linear.

Explanation:

<h2><u><em>This is all I know.</em></u></h2><h2><u><em>Hope it helps~</em></u></h2><h2><u><em>Good luck with your work!!~</em></u></h2>

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2 years ago

Ultraviolet radiation and radiation of shorter wavelengths can damage biological molecules because they carry enough energy to b

Lelechka [254]

Answer:

343.98 nm is the longest wavelength of radiation with enough energy to break carbon–carbon bonds.

Explanation:

A typical carbon–carbon bond requires 348 kJ/mol=348000 J/mol

Energy required to breakl sigle C-C bond:E

$E=\frac{348000 J/mol}{6.022\times 10^{23} mol^{-1}}=5.7788\times 10^{-19} J$

$E=\frac{h\times c}{\lambda}$

where,

E = energy of photon

h = Planck's constant = $6.626\times 10^{-34}Js$

c = speed of light = $3\times 10^8m/s$

$\lambda$ = wavelength of the radiation

Now put all the given values in the above formula, we get the energy of the photons.

$\lambda =\frac{(6.63\times 10^{-34}Js)\times (3\times 10^8m/s)}{5.7788\times 10^{-19} J}$

$\lambda =3.4398\\times 10^{-7}m=343.98 nm$

$1 m = 10^{9} nm$

343.98 nm is the longest wavelength of radiation with enough energy to break carbon–carbon bonds.

4 0

2 years ago

2) Calculate the density of a rod of metal (in g/cm) with a mass of 196.41g, a diameter of 3.10

Tems11 [23]

Answer:56.98496

Explanation:

half if diameter is radius or 1.55 and double the radius is 3.10 or the length of the diameter. you have a height given, so use the radius and heaight to plug it in the circular cylinder calculator and you get 56.98496

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2 years ago

Which of these correctly describes the energy that makes the carousel turn

Dmitrij [34]

Answer:

Explanation:

A carousel can be made to rotate using different sources of energy. One may decide to use electric energy, manual effort, water energy or heat energy as in a candle carousel.

When the candle is lit, heat energy is supplied and warm air rises heating up the air near the carousel eventually causing it to start rotating.

Hence heat from the candle leads to a current of warm air that rises up, causing the carousel to start rotating.

8 0

2 years ago