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Karo-lina-s [1.5K]
3 years ago
5

True or False: Weathering and erosion are different names for the same process.

Chemistry
2 answers:
rusak2 [61]3 years ago
6 0

Answer:

True

Explanation:

ivann1987 [24]3 years ago
6 0

Answer:

False. because weathering happens first, then erosion takes place.

Explanation:

Weathering is the breaking down or dissolving of rocks and minerals on Earths surface. Once a rock has been broken down, a process called erosion transports the bits of rock and minerals away. Water, acids, salt, plants, animals, and changes in temperature are all agents of weathering and erosion.

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Prepare a project report on various samples of
san4es73 [151]
<h2>Project Reports</h2>

<h3>A) Mixture</h3>

This refers to the material that is made when different substances mix up physically and causes a reaction.

You can make on the project of Mixture -

  • 1) Alloys
  • 2)Colloids
  • 3) Suspension
  • 4) Solution

<h3>B) Compound</h3>

This refers to the chemical bond that holds different atoms tightly

You can make on the project of Compound -

  • 1)Water
  • 2)Methane
  • 3)Carbon Dioxide
  • 4) Sulfuric Acid

<h3>C) Elements</h3>

Based on the fact that the atom is the smallest indivisible part of an element, elements like phosphorous cannot be further broken down.

You can make on the project of Elements -

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Read more about mixtures and compounds here:

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8 0
1 year ago
Find the kinetic energy of the horse using KE=1/2 mv².
Dmitry [639]
KE=6,250Joules
You plug in your given numbers and remember to square 5 because that’s the speed
8 0
3 years ago
Read 2 more answers
Unit conversions.(a) Convert 10,000 dynes to units of lbm ∙ ft/s^2 and lbf(b) Convert 0.2 atm to units of Kpa and lbf/in^2(c) Co
Maru [420]

Answer:

(a)  0.72 lbm· ft/s²

(b)  20.3 kPa,  2.94 lbf / in²

(c)  98.6 ºF,  310 K

(d)  1.5 x 10⁻² J,  6.1 x 10⁻² cal

Explanation:

Our strategy here will be to find the conversion factors for the quantities we are asked in each part, and perform the calculations.

(a) 10,000 dynes to lbm ·ft/s²

here we are asked to convert  the  force of 10,000 dynes to lbm ·ft/s². Recall that F= ma ( m= mass, a = acceleration), thus

10,000 dynes = 10 g cm/s²

converting the force

10,000 g cm/s² x (1 lbm/454 g) x (1 ft / 30.48 cm ) /s² = 0.72 lbm· ft/s²

(b)

1 atm = 101.33 pa

0.2 atm x ( 101.33 kPa ) = 20.3 kPa

1 atm = 14.7 lbf / in²

0.2 atm x ( 14.7 lbf / in² /atm ) = 2.94 lbf / in²

(c) The formula for the conversion from ºC to ºF is:

ºF = 9/5 ºC +32

ºF = 9/5 ( 37ºC) + 32 = 98.6 ºF

K = ºC + 273

K = (37 + 273) K = 310 K

(d) 50 in²·lbm/s² to joules and calories

Since the unit in² ·lbm/s² is not that common, lets convert it using their definition.

These are energy units, and we know the energy is the force times distance. In turn force is mass times acceleration so that the units of energy are mass time distance per time squared.

Joules is the unit of energy  in the metric system.

50 in² lbm/s² = 50 in²x ( 2.54 cm/in x 1m /100cm)² x (1lbm x 0.454 Kg/lbm)/s²

= 1.5 x 10⁻² Kg m²/² =  1.5 x 10⁻² J

To convert to cal it wilñl be easier to use the value in joules just calculated:

1.5 x 10⁻² J x  (4.184 cal/J) = 6.1 x 10⁻² cal

4 0
3 years ago
To what temperature in kelvin will a 2.3 L balloon have to be heated to expand to a volume of 400 L Assume the initial temperatu
olchik [2.2K]

Answer:

T₂ = 51826.1 K

Explanation:

Given data:

Initial Volume = 2.3 L

Final volume = 400 L

Initial temperature = 25 °C (25+ 273 = 298 K)

Final temperature = ?

Solution:

V₁/T₁ = V₂/T₂

T₂ = V₂ T₁/V₁

T₂ =  400 L . 298 K / 2.3 L

T₂ = 119200 K. L / 2.3 L

T₂ = 51826.1 K

7 0
3 years ago
This is how manganese appears in the periodic table.
Allisa [31]

Answer:

Atomic Symbol

Explanation:

States which atom it is as an abbreviated version

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