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natulia [17]
3 years ago
9

If your heart beats an average of 68 times per minute, how many times will your heart beat in an hour? In a day? In a week? Show

all work
Chemistry
1 answer:
Georgia [21]3 years ago
3 0
Per hour-68x60=4080
Per day-4080x24=97920
Per week-97920x7=685440
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Why do nuclear reactions take place
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Answer:

Nuclear reaction occurs when an elementary particle or another nucleus has enough energy to disturb internal structure of a bombarded nucleus to such a level that it undergoes a transition to a different state.

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andrezito [222]
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Explanation:

The wavelength range of Infrared radiation is 700 nanometers to 1 millimeter. This also translates to a frequency range of 430 TeraHertz  to 300 Giga Hertz.

Because the sun is a star and is hot in comparison to earth and other planetary bodies, the bigger  range of infrared radiation it emits is in the near-infrared which is mainly composed of wavelength below 4 micrometers.

The earth's surface produces infrared radiation of the mid-infrared range while cooler substances will produce far-infrared range

The thermal range of infrared ranges between wavelengths 3.5 and 2.0 micrometers and is produced by black bodies.

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brainly.com/question/2369243

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<span>the chemical equation will be Ni(OH)2(s)------>heat---> NiO(s) + H2O(g)
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hope it helps
</span>
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