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Korvikt [17]
3 years ago
8

Hot water is poured into four cups made of different materials (foam, glass, metal, plastic).After one minute, which will feel t

he warmest when you touch the OUTSIDE of the cup?
Chemistry
2 answers:
Marta_Voda [28]3 years ago
6 0
The answer to this is metal
Mnenie [13.5K]3 years ago
3 0

Answer:

Metal

Explanation:

Foam, glass, and plastic don't absorb as much heat as metal does.

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What is the maximum mass of ethyl alcohol you could boil with 1000 j of heat, starting from 22 ∘c?
kramer

solution:

1000 = m*2400*(78-22) + m*8.79*10^5

1000= 134400m + 879000m

1000= 1030200m

m = 1000/1013400

m= 1013.4 grams

the final answer is 0.9706 grams


5 0
3 years ago
The difference in an area with high concentration and an area with low concentration is called.
Varvara68 [4.7K]

The difference in an area with high concentration and an area with low concentration is called the concentration gradient.

<h3>What is Concentration Gradient ?</h3>

A concentration gradient occurs when the concentration of particles is higher in one area than another.

In passive transport, particles will diffuse down a concentration gradient, from areas of higher concentration to areas of lower concentration, until they are evenly spaced.

This difference in an area with high concentration and an area with low concentration is called the concentration gradient.

Learn more about diffusion here ;

brainly.com/question/24746577

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5 0
2 years ago
What do a mole of magnesium (Mg) and a mole of iron (Fe) have in common?
azamat
What they have in common is that they both have the same number of atoms.
9 0
3 years ago
Which metals are called noble metals
Diano4ka-milaya [45]

I don't know if this is multiple choice but if it isn't I can name of few.

Fun Fact: Noble Metals are chemical elements that have outstanding tolerance and resistance to oxidation.

Answer: Palladium, Silver, Platinum, and Gold. Those are all examples of Noble Metals.

Other: Ruthenium, osmium, and rhodium.

<em>Hope this helps!</em>

6 0
3 years ago
Thermal energy that flows from a higher to a lower temperature is ​
ycow [4]

Answer: i believe it was convection

Explanation: it is convection im pretty sure

4 0
3 years ago
Read 2 more answers
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