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kow [346]
3 years ago
14

Calculate the rate of temperature change from time 0 to time 4

Chemistry
2 answers:
Oksana_A [137]3 years ago
8 0

Answer:

the rate of temperature change from time 0 to time 4 is - 2 °C/time unit.

Explanation:

the average rate of change = (final temp - initial temp)/time  

average rate of change = (28-36)/4

                                        = - 2 °C/time unit

Therefore, the rate of temperature change from time 0 to time 4 is - 2 °C/time unit.

Cloud [144]3 years ago
7 0
It will be 25 degrees

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Answer:

Nuclear processes, including fusion, fission, and radioactive decays of unstable nuclei, involve changes in nuclear binding energies.

Explanation:

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3 years ago
List the official SI units
Juli2301 [7.4K]

Answer:

The seven SI base units, which are comprised of:

Length - meter (m)

Time - second (s)

Amount of substance - mole (mole)

Electric current - ampere (A)

Temperature - kelvin (K)

Luminous intensity - candela (cd)

Mass - kilogram (kg)

Explanation:

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4 years ago
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Which type of decay has the greatest mass?
iVinArrow [24]

The type of decay which has the greatest mass is the alpha decay. An unstable nucleus loses the most mass if the nucleus emits an alpha particle. This type of decay has the largest mass among the radioactive decay. When this particle is emitted from a nucleus, it loses two protons and two neutrons therefore large amount of mass is lost.

6 0
4 years ago
How many atoms are contained in 100.0 g of mercury
Romashka [77]

3.00097 x 10^{23} atoms are contained in 100.0 g of mercury.

<h3>What is moles?</h3>

The mole is defined as the amount of substance that contains as many elementary entities as there are atoms in exactly 12 g of carbon-12.”

Number of moles of mercury = \frac{mass}{molar \;mass}

Number of moles of mercury = \frac{100.0 g}{200.59 u}

=  0.4985 moles

Number of moles of mercury = Number of atoms = moles of Hg x 6.02 X 10^{23}

= 0.4985 x 6.02 X 10^{23}

= 3.00097 x 10^{23} atoms.

Hence, 3.00097 x 10^{23} atoms are contained in 100.0 g of mercury.

Learn more about the moles here:

brainly.com/question/26416088

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5 0
2 years ago
Is it the power of material evidence that wins, not the authority of experts that
kvasek [131]

Yes, it is the power of material evidence that wins.

  • Evidence used to support or refute a scientific theory or hypothesis is known as material evidence.
  • Evidence is also used by scientists in various contexts, such as when they apply ideas to real-world issues.
  • Whether a person accepts the data as proof depends on their presumptions or views regarding how observations relate to a theory.
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Therefore, it is the power of material evidence that wins, not the authority of experts that

proves an answer in Science.

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