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maksim [4K]
3 years ago
9

Which side of the mountain faces

Chemistry
1 answer:
Troyanec [42]3 years ago
4 0
C. The Wind Ward Side
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What is a zero order reaction? Give two examples.
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Answer:

I guess 3 to be honest and that's what I think

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Which would be a good source to find weather information about your town from last month?
VLD [36.1K]

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a reference book about weather

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Consider the gold isotope 197Au. How many electrons, protons, and neutrons are in a neutral 197Au atom?
tangare [24]

Answer:

The 197Au isotope has 79 protons, 79 electrons and 118 neutrons

Explanation:

Step 1: The isotope = 197Au

Step 2: Calculate neutrons, electrons and protons

197 = Number of protons + number of neutrons

Isotopes always have the same proton number ( is the same as the atomic number). For Gold (Au) is this 79.

The number of electrons is equal to the number of protons in a neutral atom. Since we have 79 protons, there are also 79 electrons.

All isotopes of Au have a different number of neutrons.

The number of neutrons = 197 -79 = 118 neutrons

The 197Au isotope has 79 protons, 79 electrons and 118 neutrons

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Energy diagram for and endothermic and exothermic reaction

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3 years ago
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Calculate the energy required to heat 566.0mg of graphite from 5.2°C to 23.2°C. Assume the specific heat capacity of graphite un
maw [93]

Answer:

7.23 J

Explanation:

Step 1: Given data

  • Mass of graphite (m): 566.0 mg
  • Initial temperature: 5.2 °C
  • Final temperature: 23.2 °C
  • Specific heat capacity of graphite (c): 0.710J·g⁻¹K⁻¹

Step 2: Calculate the energy required (Q)

We will use the following expression.

Q = c × m × ΔT

Q = 0.710J·g⁻¹K⁻¹ × 0.5660 g × (23.2°C-5.2°C)

Q = 7.23 J

6 0
3 years ago
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