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Llana [10]
2 years ago
8

A car drives on a road at a constant speed of 50 miles/hour.

Chemistry
1 answer:
Crank2 years ago
5 0

Answer:

It will take the police car 3.5 hours to travel a distance of 175 miles traveling at a rate of 50 miles/hour.

Explanation:

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Three of the primary components of air are
Darya [45]

Answer:

125.681 torr

Explanation:

The formula to calculate the partial pressure of oxygen:

P(O2) = Pcommon - PCO2 - PN2

1 atm = 760 torr

Therefore you need to find the partial pressure of oxygen:

P(O2) = 760 torr -0.285 torr - 634.034 torr =130.013 torr

- Hope that helped!

8 0
3 years ago
Convert the following sentence into an equation and balance it.
Ivan
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4. What causes local winds to form?
Oxana [17]

Answer:

unequal heating and cooling of the landmass.

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2 years ago
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Compared to ultraviolet light, an electromagnetic wave that has a higher frequency will also have ________. (4 points)
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Answer: shorter wavelength and equal speed

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3 years ago
Which of the following most accurately represents John Dalton’s model of the atom? A. a tiny, solid sphere with an unpredictable
valkas [14]

The most accurately represented John Dalton's model of the atom is: C. a tiny, solid sphere with a predictable mass for a given element

<h3>Further explanation</h3>

The development of atomic theory starts from the first term conveyed by Greek scientists who suggested that every substance has the smallest particles so that the word atomos appears, which means it cannot be divided. So, John Dalton, a British scientist put forward the hypothesis about atoms, among others:

  • 1. The elements are composed of atoms which are small particles which cannot be subdivided
  • 2. Atoms that make up the same element have the same properties, mass, and size, while for different elements, the properties are also different
  • 3. Compounds are composed of two or more atoms in a fixed ratio
  • 4. In chemical reactions, atoms after and before a reaction cannot be destroyed, only separation and reassembly occur

Point 3 shows the relationship with The Law of Constant Composition of Proust so that further research on atoms is more developed

Dalton's hypothesis is described as a solid sphere like a very small shot put ball or a bowling ball based on Dalton's hobby in bowling

<h3>Learn more</h3>

Bohr's model of the atom

brainly.com/question/1625635

Rutherford performed the gold foil experiment

brainly.com/question/1859083

The part of an atom that is mostly empty space

brainly.com/question/4089014

Keywords: atom, Dalton, a solid sphere, The Law of Constant Composition

5 0
2 years ago
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