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levacccp [35]
3 years ago
11

( Cooking Popcorn using a mircowave Burning yourself by touching burning water the handle of a pot becoming to hot to touch as i

t cooks on the stove. An oven that cooks by cycling wwarm air through the bottom and out the top/. Grabbing a warm coffee mug to warm your hands. Heat from a fire warming your hands Heat from the sun hitting the solar panel. Warm water rising to the surface of ocean and cooler water sinking) Conudction Radation Convection which goes to which please help!
Chemistry
1 answer:
mihalych1998 [28]3 years ago
3 0
Conduction - touching hot pot
Convection - oven cycling warm air
Conduction - touching a warm coffee mug
Heat from a fire - radiation
Heat from the sun to solar panel - radiation
Warm water rising - convection
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The two rate statements below are not the same. Use the concept of unit rates to explain
olganol [36]
It’s definitely B but I’m not sure
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3 years ago
Which solution is a homogeneous mixture? sand and water salt and water salad dressing soil
Over [174]

Answer: Option (b) is the correct answer.

Explanation:

A solution whose constituent particles are uniformly distributed in the solution  is known as a homogeneous solution.

In a homogeneous solution, particles of one solute completely dissolves in the solvent. This solution is also known a true solution.

When sand and water are mixed together then after a certain interval of time sand particles will settle at the bottom. Therefore, they do not dissolve in water. So, it is not a homogeneous solution.

When salt and water are mixed together then the salt particles will dissolve in water. Therefore, it is a homogeneous solution.

Salad dressing is not a homogeneous solution as it contains different solutions like oil, lemon juice etc which does not dissolve when mixed together.

On the other hand, soil is also not a homogeneous solution because we can visualize the distinct layers present in a soil. These layers when mixed in a solution does not dissolve so they did not form a homogeneous solution.

Thus, we can conclude that out of the given options, salt and water is a homogeneous mixture.

8 0
3 years ago
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If a runner completes a 10 kilometer race in 32.50 minutes, what is the 10.0 km pace in miles per hour? (1.609 km = 1 mile appro
Elina [12.6K]
If a runner completes a 10 km race in 32.5 minutes, his pace or speed can be calculated by the equation:

velocity = distance/time = 10km/32.5 mins = 0.3125 km/min

Convert this value to miles per hour using the conversion factors for minutes to hours and kilometers to miles as requested by the problem. This gives an answer of 11.47 miles per hour.

0.3125 km/min x 60 mins./ 1 hour x 1 mile / 1.609 km = 11.47 miles/hour
3 0
3 years ago
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Ganezh [65]
Hola!

→ Your query:
Atoms of one element easily changes to atoms of another element. Is it True? or False?

→ The answer is: TRUE

→ Reason :
We can change atom of one element to other atom by adding more particles into them. ex : Neutron, Protons and Electrons.

This is how nuclear fusion works. 

hope it helps!
6 0
3 years ago
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Ksivusya [100]

Answer:

An ion is charged because the number of electrons does not equal the amount of particles.

Explanation:

Can be positive (meaning more protons than electrons) and it can be negatively charged (meaning there are more electrons than protons).

Hope this helps!

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3 years ago
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