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olga_2 [115]
2 years ago
14

What is the power of a food processor that can perform 1,350 joules of work in 15 seconds

Chemistry
1 answer:
velikii [3]2 years ago
6 0
Power is energy divided by time and it’s unit is watta(W)
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3 years ago
If 1.9 kJ of heat is transferred to 96 g aluminum at 113°C, what would the
erastova [34]

Answer:

T2 = 135.1°C

Explanation:

Given data:

Mass of water = 96 g

Initial temperature = 113°C

Final temperature = ?

Amount of energy transfer = 1.9 Kj (1.9×1000 = 1900 j)

Specific heat capacity of aluminium = 0.897 j/g.°C

Solution:

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

ΔT = T2 - T1

Now we will put the values in formula.

Q = m.c. ΔT

1900 j = 96 g × 0.897 j/g.°C × T2 - 113°C

1900 j = 86.112 j/°C × T2 - 113°C

1900 j / 86.112 j/°C = T2 - 113°C

22.1°C + 113°C =  T2

T2 = 135.1°C

4 0
3 years ago
In which of these cases would it be most useful to use a mole to calculate the number of particles?
Ivan
I believe it would be the last one because you can use the molar mass of HCl to find the number of moles, then use Avogadro’s number to find the number of atoms
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6 0
3 years ago
Name two different ecosystems.Name one living part of each ecosystem.Name one non living part of each ecosystem.
grin007 [14]
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7 0
2 years ago
Read 2 more answers
Which example is an endothermic process?
galben [10]

Answer:

I guess it is

A.) thawing frozen shrimp

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8 0
2 years ago
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