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worty [1.4K]
2 years ago
11

Which statement best describes the direction of heat flow by conduction between two samples of the same material?

Chemistry
2 answers:
tigry1 [53]2 years ago
6 0

Answer: 2. Heat flows from faster molecules to slower molecules when they collide.

Explanation: Hope this helped! :)

Goshia [24]2 years ago
4 0

Answer:

Heat flows from faster molecules to slower molecules when they collide.

Explanation:

brainliest will be appreciated

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Commercially available hot packs are simple in design: a pouch with water on one side, isolated by a barrier from a specific sal
liq [111]

Answer:

b :)

Explanation:

an exothermic reaction is when heat/light is produced. heart is produced from this reaction so it is exothermic

3 0
1 year ago
A balloon inflated with three breaths of air has a volume of 1.7 L. At the same temperature and pressure, what is the volume of
Karolina [17]

Ans: The final volume of the balloon is 4.5 L

<u>Given:</u>

Volume of balloon inflated with 3 breaths = 1.7 L

<u>To determine:</u>

Volume of balloon after a total of 3+5 = 8 breaths

<u>Explanation:</u>

Volume of the balloon per breath = 1.7 L * 1 breath/3 breaths = 0.567 L

Final volume of balloon after 8 breaths = 0.567 L * 8 breath/1 breath

= 4.536 L

7 0
2 years ago
List the number of each type of atom on the left side of the equation 2C6H14(l)+19O2(g)→12CO2(g)+14H2O(g) Enter your answers sep
murzikaleks [220]

<u>Answer:</u> The number of carbon, hydrogen and oxygen atoms on the left side of the reaction are 12, 28 and 38 respectively

<u>Explanation:</u>

In a chemical equation, the chemical species are termed as reactants or products.

Reactants are defined as the species which react in the reaction and are written on the left side of the reaction arrow.

Products are defined as the species which are produced in the reaction and are written on the right side of the reaction arrow.

For the given chemical equation:

2C_6H_{14}(l)+19O_2(g)\rightarrow 12CO_2(g)+14H_2O(g)

On the reactant side:

Number of carbon atoms = (6 × 2) = 12

Number of hydrogen atoms = (14 × 2) = 28

Number of oxygen atoms = (2 × 19) = 38

Hence, the number of carbon, hydrogen and oxygen atoms on the left side of the reaction are 12, 28 and 38 respectively

3 0
2 years ago
The student decided to do another experiment with his leftover copper(II) sulfate (CuSO4) solution. He divided the solution up i
lakkis [162]

Answer:

CuSO4 + Fe -> FeSO4 + Cu

Explanation:

This reaction is a classic example of a redox reaction. I won't go in too deep, but the basic thing is that electrons from the Fe atom go to the Cu2+ ion. Therefore, Fe becomes an ion, and Cu - an electroneutral atom:

Fe + Cu2+ -> Fe2+ + Cu.

Silver is not a very reactive metal and it does not give up its electrons to Cu.

6 0
1 year ago
Methyl tertiary-butyl ether (MTBE) is an organic compound that has been in use since the late 1970s. Read the article to learn m
tamaranim1 [39]
H h I ointment o on NB j. Non b kkkk NB nis o ok kno kno
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