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kodGreya [7K]
3 years ago
10

Does mint actually cool things down

Chemistry
1 answer:
PtichkaEL [24]3 years ago
3 0
The cooling of a mint is just a sensation if you were to put mints into warm water the water would remain warm because it is just a cooling sensation. I hope this helps:)
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A package of chips weighs 45 grams. How much is that in kilograms?
Slav-nsk [51]

Answer:

1000g=1kg

45g=?

45/1000

0.045kilograms

5 0
3 years ago
Please help Im stuck lol​
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the answer is solution

8 0
3 years ago
In a calorimeter, the temperature of 100g of water decreased by 10 degrees Celsius when 10g of ice melted. How much heat was abs
Crazy boy [7]
So use equation: ΔH = MCΔT

M 
= mass of water
C 
= waters specific heat capacity (4.18)
ΔT = the temp. change of the reaction

ΔH = 100 x 4.18 x 10 = 4180J or 41.8KJ

so the cube absorbed 4180J of energy 

hope that helps 

6 0
3 years ago
Read 2 more answers
What mass of hydrogen will be produced by the reaction of 67.3 g of tin with excess water according to the following reaction?
Crank

Answer:

Mass of hydrogen produced =2.28 g

Explanation:

Given data:

Mass of tin = 67.3 g

Mass of hydrogen produced = ?

Solution:

Chemical equation:

Sn + 2H₂O    → SnO₂+ 2H₂

Number of moles of Sn:

Number of moles = mass/ molar mass

Number of moles = 67.3 g/ 118.71 g/mol

Number of moles = 0.57 mol

Now we will compare the moles of tin with hydrogen from balance chemical equation.

                             Sn             :               H₂

                              1               :                2

                          0.57             :               2×0.57 = 1.14

Mass of hydrogen:

Mass = number of moles ×molar mass

Mass = 1.14 mol × 2 g/mol

Mass = 2.28 g

6 0
2 years ago
This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment. a.b.c.
Fiesta28 [93]

Answer:

C

B

B

A

Explanation:

  1. This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment. (C)
  2. This part contains a known amount of water, which is placed there before the experiment starts. (B)
  3. This part is where the metal is placed at the beginning of the experiment. (B)
  4. This part is used for measuring the initial and final temperatures of the water. (A)

4 0
3 years ago
Read 2 more answers
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