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3 years ago

4. The transfer of heat by the movement of a liquid is called ______

Chemistry

1 answer:

77julia77 [94]3 years ago

7 0

Convection is the transfer of heat by liquid.

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Estimate your de Broglie wavelength when you are running. (For this problem use h = 10^−34 in SI units and 1 lb is equivalent to

AlekseyPX

Answer:

A. your running speed 1.5 m/s

B. your mass 70 kg

C. your de Broglie wavelength $6.32x10^{-36}$ m

Explanation:

Hello there!

In this case, since the equation for the calculation of the Broglie wavelength is:

$\lambda =\frac{h}{m*v}$

We can assume a running speed of about 1.5 m/s and a mass of 70 kg, so the resulting Broglie wavelength is:

$\lambda =\frac{6.626x10^{-34}kg\frac{m}{s} }{70kg*1.5\frac{m}{s} }\\\\\lambda =6.32x10^-36m$

Best regards!

7 0

3 years ago

Which if the following numbers in your personal life are exact numbers?

mr_godi [17]

Answer:

I think D

Explanation:

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3 years ago

HELP IT’S ABOUT TO BE DUE!

Vinil7 [7]

The answer is b
Explanation:

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3 years ago

Which of the following is not a physical property?

kozerog [31]

Answer: Reactivity is not a physical property, it is a chemical property.

Explanation:

Physical property is a value of matter that can be observed and measured without any change in composition of the matter. Examples of physical properties are color, combustion,melting point,boiling point,solubility, texture, appearance, polarity, odor,viscosity, density and many more.

Chemical properties are characteristics that are obvious or seen when substances undergo chemical reaction. Examples are reactivity,toxicity, acidity, flammability, and heat combustion.

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3 years ago

What other product occurs when ac-222 releases an alpha particle?

irga5000 [103]

There is fr-218

hope this did the job, have a nice rest of your day!!

3 0

4 years ago