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alexdok [17]
3 years ago
10

A motorcycle is moving at a constant speed of 35 km/h. How long (in hours) does it take the motorcycle to travel a distance of 6

2 km?
Chemistry
2 answers:
mamaluj [8]3 years ago
7 0

Answer:

   

Explanation:

Nitella [24]3 years ago
5 0

Answer:

Hope this helps !

Explanation:

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8x8 Inc. is a provider of Voice over IP products. 8x8 products include cloud-based voice, contact center, video, mobile and unified communications for businesses.

Explanation:

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A student mixes a 10.0 ml sample of 1.0 m naoh(aq) with a 10.0 ml sample of 1.0 m hcl(aq) in a polystyrene container. the temper
AleksAgata [21]
Hrxn = Q reaction / mol of reaction
mol of reaction = M * V = 10 * 1 = 10 mmol = 0.01 mol
Q water = m * C * (Tf - Ti)
             = (10 + 10) (4.184) (26-20) = 502.08 J
Q reaction = - Q water = -502.08 J
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3 years ago
Approximately, how many national parks are there in the United States? a. 25 b. 50 c. 120 d. 474
Len [333]
B, I would believe. There are 58, but B is the closest we can get.
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3 years ago
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What is the product if an atom of Po-209<br> undergoes alpha decay?
g100num [7]
<h3>Answer:</h3>

Lead-205 (Pb-205)

<h3>Explanation:</h3>

<u>We are given;</u>

  • An atom of Po-209

We are supposed to identify its product after an alpha decay;

  • Polonium-209 has a mass number of 209 and an atomic number of 84.
  • When an element undergoes an alpha decay, the mass number decreases by 4 while the atomic number decreases by 2.
  • Therefore, when Po-209 undergoes alpha decay it results to the formation of a product with a mass number of 205 and atomic number of 82.
  • The product from this decay is Pb-205, because Pb-205 has a mass number of 205 and atomic number 82.
  • The equation for the decay is;

²⁰⁹₈₄Po → ²⁰⁵₈₂Pb + ⁴₂He

  • Note; An alpha particle is represented by a helium nucleus, ⁴₂He.

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3 years ago
Element, Compound or Molecule<br> Identify each of the images as an element, molecule or compound.
Olin [163]

Answer:

The answer is:

A) Element

B) Molecule

C) Compound

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2 years ago
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